Mr. Tran mowed
1
4
of her lawn. Her on mowed
3
7
of it. Who mowed mot of the lawn? How much of the lawn till need to be mowed?

Answers

Answer 1

Mrs. Tran's son mowed more land than she and 9/28 of the land still need to be mowed.

let us convert all the fractions into equivalent fractions to make our calculations easy.

The land mowed by Mrs Tran = 1/4 x 7/7 = 7/28

The land mowed by her son = 3/7 x 4/4 = 12/28

Hence, we can clearly see that Mrs. Tran's son mowed more land than she.

The total land mowed by both of them = 7/28 + 12/28

                                                                       = 19/28

The total land to be mowed = 1 - 19/28

                                               = (28 - 19)/28

                                               = 9/28

Hence, the land still to be mowed is 9/28.

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The complete question is -

Mrs. Tran mowed 1/4 of the lawn. Her son mowed 3/7 of it. Who mowed more? How much of the lawn still needs to be mowed?


Related Questions

Find the values of x and y.

1) x = 19.6; y = 12.0
2) x = 23.0; y = 12.0
3) x = 12.0; y = 19.6
4) x = 12.0; y = 23.0

Answers

x=12.0; y=19.6

Option 4 is the right answer.

What are the properties of tangent of the circle?

A tangent is correctly formed only if touches the circle at only one point. A tangent never passes through a circle, that is, it never crosses the circle while entering its interior. A tangent is also not known for intersecting the circle at the two different points.

Since, in a circle the radii are equal.

So, OA=OB=x=12

Tangent to a circle is the line that touches the circle at only one point.

The length of tangents from an external point to a circle are equal.

By the theorem,

If two tangents are drawn from an external point of the circle, then they are of equal lengths.

So, AC =BC (by the theorem)

AC and BC look to be tangents- tangents to a circle from a point are congruent.

So, AC is congruent to BC.

Thus, AC=BC=y=19.6

Hence, x=12.0 and y=19.6

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the distribution of colors of candies in a bag is as follows. if two candies are randomly drawn from the bag with replacement, what is the probability that they are the same color?

Answers

The probability that both candies are of same color is 0.22

Probability:

                Probability means possibility.The value is expressed from zero to one.In other words probability is simply how likely something is to happen.

The distribution of colors of candies in a bag is as follows.

    Brown      0.1

    Red         0.3

   Yellow      0.2

   Green      0.2

   Orange    0.2

The probability for both candies are Orange.

                = 0.2 x 0.2

                = 0.04

The probability for both candies are Brown.

               =  0.1 x  0.1

               = 0.01

The probability for both candies are Yellow.

               = 0.2 x 0.2

               = 0.04

The probability for both candies are Green.

              = 0.2 x 0.2

              = 0.04

The probability for both candies are Red.

             = 0.3 x 0.3

             = 0.09

Now,

       The total probability  that they are the same color

                    = 0.04 + 0.01 + 0.04 + 0.04 + 0.09

                    = 0.22

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Find the linear approximation of the function f(x) = √1-x at a = 0 and use it to approximate the numbers √0.9 and √0.99. (Round your answers to four decimal places.)L(x) =√0.9 ≈√0.99 ≈

Answers

The linear approximation of function f(x) = √1-x at a = 0: L(x) = 1 - x/2

√0.9 = 0.95

and √0.99 = 0.995

In this question we need to find  the linear approximation of the function f(x) = √(1 - x) at a = 0 and use it to approximate the numbers √0.9 and √0.99

Consider a given function f(x) = √(1 - x)

The slope of given function would be,

f'(x) = -1/2√(1 - x)

We know that the linear approximation function based at 0 is defined by the equation of the tangent line at 0.

so, at x = 0,

f(0) = 1

and slope of the tangent line at 0 : f'(0) = -1/2

The formula to find the linearization at x = a is: L(x) = f(a) + f’(a)(x - a)

the linearization of f(x) = √(1 - x) at a = 0 is L(x) = 1 - x/2

Now we find √0.9

√0.9

= √(1 - 0.1)

= 1 - (0.1/2)

= 0.95

and √0.99

= √(1 - 0.01)

= 1 - (0.01/2)

= 0.995

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pls helpp!!!!!!!!!!!!!!!

Answers

Distributive Property

Addition Property of Equality

Simplifying

Division Property of Equality

Simplifying

Divide. Express your answer in simplest form.

8 ÷ 2 4/9

Answers

Answer:

3 and 3/11

Step-by-step explanation:

[tex]\frac{8}{2 \frac{4}{9} } \\\\\frac{8}{ \frac{22}{9} } \\\\= 8 / \frac{22}{9} \\\\= \frac{8}{1} / \frac{22}{9} \\\\= \frac{8}{1} * \frac{9}{22} \\\\[/tex]

[tex]=\frac{72}{22} \\\\= 3 \frac{6}{22} \\\\= 3 \frac{3}{11}[/tex]

Step-by-step explanation:

8 ÷ 2 4/9

so, as always with operations involving fractions I recommend to convert mixed numbers to full fractions first :

2 4/9 = (2×9 + 4)/9 = (18 + 4)/9 = 22/9

the division looks then like this :

8 ÷ 22/9

or

8 / 22/9 = 8/1 / 22/9

remember, when we divide by a fraction, then this is the same as a multiplication with the upside-down fraction :

8/1 × 9/22 = 8×9 / 1×22 = 72/22 = 36/11 =

= (3×11 + 3)/11 = 3 3/11

8 ÷ 2 4/9 = 3 3/11

the symbols ÷, /, : have a little bit different semantic meaning in their context, but they all do the same thing : divide.

and they are therefore interchangeable.

If a credit card has an average daily balance of $1250 and the
annual interest rate is 18%, what will the total bill for the month be?

Answers

If a credit card has an average daily balance of $1250 and the annual interest rate is 18%, the total bill for the month will be $1,268.75.

What Is Average Daily Balance?

The average daily balance is the quotient resulting from the summation of the card's daily balances and the division by the number of days in the billing cycle.

The finance charge, which represents the interest and other fees for the use of the credit card, is computed by applying the monthly percentage rate (MPR) on the average daily balance.

Average daily balance = $1,250

Annual interest rate = 18%

Monthly percentage rate = 1.5% (18% ÷ 12)

Finance charge = $18.75 ($1,250 x 1.5%)

Total bill for the month = Average daily balance + Finance charge

= $1,268.75 ($1,250 + $18.75)

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The figure i made up of 4 identical rectangle that form a quare at the center. The area and the breadth of each rectangle are 4/18 m2 and 1/9 m repectively

Answers

To calculate the perimeter of the figure, I first calculated the area and the breadth of each rectangle which is 4/18m2 and 1/9m respectively.

The perimeter of the figure can be calculated by adding the perimeter of each rectangle.

Perimeter = 4 x (2 x (1/9 m) + 2 x (4/18 m))

Perimeter = 8 x (1/9 m + 4/18 m)

Perimeter = 104/18 m

Perimeter = 5.78 m

The figure I made up consists of four identical rectangles that form a square at the center. To calculate the perimeter of the figure, I first calculated the area and the breadth of each rectangle which is 4/18m2 and 1/9m respectively. As the four rectangles are identical, I multiplied the perimeter of one rectangle by 4 to get the perimeter of the entire figure. Perimeter of one rectangle is calculated by adding the length and breadth of the rectangle. I multiplied the sum of the length and breadth of a rectangle (1/9 m + 4/18 m) by 8 to get the perimeter of the figure. Finally, I simplified the result to get the perimeter of the figure which is 5.78 m.

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Solve by using elimination

x + 3y = 12
-5x + +y = -12

(Please explain how to get the answer if possible.)

Answers

Step-by-step explanation:

what equations do we really have here ?

there seem to be typos in the equations.

I assume you truly have

x + 3y = 12

-5x + y = -12

now, elimination means that we multiply the equations (both sides to keep the equations in their information unchanged) by applying factors and then add the resulting equations.

the result should have "eliminated" one of the variables, so that we can solve for the remaining variable.

and then we use that result and one of the original equations to solve for the second variable.

in our case I suggest we try to eliminate x first.

so, we multiply the first equation by 5. the second equation can stay as it is.

and then we add both :

5x + 15y = 60

-5x + y = -12

-----------------------

0 16y = 48

y = 48/16 = 3

using e.g. the original first equation :

x + 3y = 12

we put in the already calculated value for y (3) and solve for x :

x + 3×3 = 12

x + 9 = 12

x = 12 - 9 = 3

x = 3

y = 3

you understand the principle ? please let me know, if you have further questions.

if your actual equations are different to my assumptions, you need to apply this in the same way as I showed you here to whatever the real equations are.

Answer:

  (x, y) = (3, 3)

Step-by-step explanation:

You want to solve by elimination the system of equations ...

x +3y = 12-5x +y = -12

Elimination

The point of the elimination method is to combine the equations in a way that causes the coefficient of one of the variables to become zero. In general, this can be accomplished by multiplying each equation by the coefficient of the chosen variable in the other equation, then subtracting the results one from the other.

Considering the x-coefficients, we can multiply the first equation by -5, the second by 1 and subtract the first product from the second. This eliminates the x-variable.

  1(-5x +y) -(-5)(x +3y) = 1(-12) -(-5)(12)

  -5x +y +5x +15y = -12 +60 . . . . . . . . . . eliminate parentheses

  16y = 48 . . . . . . . . . . . . . . . . . . . collect terms

  y = 3 . . . . . . . . . . . . . . . . divide by 16

Complete the solution

Now, we need to find x. We can do this by substituting for y in either equation. We choose to use the first equation:

  x + 3(3) = 12

  x = 3 . . . . . . . . . . subtract 9

The solution to the system of equations is (x, y) = (3, 3).

__

Additional comment

We chose to explain the elimination in terms of subtraction. That subtraction can be done in either order:

  -5(equation 1) -1(equation 2)

or

  1(equation 2) -(-5)(equation 1)

We chose the latter order so the coefficient of y would end up positive. We find fewer mistakes are made when the signs are positive.

Your curriculum materials may explain the elimination process in terms of addition. You may have noticed that subtracting -5 times the first equation is the same as adding 5 times the first equation. When you do this using addition, one of the multiplier coefficients needs to be the opposite of the coefficient of the variable in the other equation.

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There is a rectangular patio. If we increase both the length and width by 2 feet, the area of the patio will increase by 38 square feet. If we increase the length by 2 feet and decrease the width by 2 feet, the area of the patio will decrease by 2 square feet. What is the area of the patio?

Answers

The 38 square feet increase in the area of the patio following the increase in the length and width by 2 feet and the 2 square feet increase following the increase in the length by 2 feet and decrease in the width by 2 feet indicates that the area of the patio is 70 square feet.

What is the area of a plane shape?

The area of a plane figure is the space occupied by the figure of a specified surface upon which it is placed.

Let L represent the length of the patio, and let W represent the width of the patio, we get;

Area of the patio = L × W

(L + 2) × (W + 2) = L·W + 2·L + 2·W + 4 = Area + 38

Therefore; (L + 2) × (W + 2) = L·W + 2·L + 2·W + 4 = L × W + 38

2·L + 2·W + 4 = 38 (subtraction property)

2·L + 2·W = 38 - 4 = 34

2·L + 2·W = 34...(1)

(L + 2) × (W - 2) = L·W - 2·L + 2·W - 4 = Area + 2 = L·W + 2

L·W - 2·L + 2·W - 4 - L·W = L·W + 2 - L·W (Subtraction property)

2·W - 2·L - 4 = 2

2·W - 2·L - 4 + 4 = 2 + 4 = 6 (Addition property)

2·W - 2·L = 6...(2)

The simultaneous equations (1) and (2) are solved as follows;

Adding equation (1) to equation (2), we get;

2·L + 2·W + 2·W - 2·L = 34 + 6 = 40

4·W = 40

W = 40 ÷ 4 = 10

W = 10

The width of the patio, W = 10 feet

2·W - 2·L = 6, therefore;

2 × 10 - 2·L = 6

2·L = 2 × 10 - 6 = 14

L = 14/2 = 7

The length of the patio, L = 7 feet

The area of the patio = L × W

L × W = 7 feet × 10 feet = 70 square feet

The area of the patio = 70 square feet

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A store owner discounted some
crystal vases from $142 to $119.
What is the discount, as a
3
percentage?
und your answer to the nearest percent)

Answers

83.8% aka 84% is the answer
The answer is 16 % off

What is the solution to the system of equations? (5, 0) (0, 5) (0, –5) (–5, 0)

Answers

Step-by-step explanation:

send the question compeletly .

Help will mark brainliest!

Answers

By using the fact that the sum of the interior angles of a triangle must be 180°, we will get:

x = 11m∠B =  108°m∠B = 36°m∠D  = 36°

How to find the value of x?

Remember that the sum of the internal angles of a triangle is always equal to 180°, then we can write:

m∠B + m∠C + m∠D = 180°

Then:

13x - 35 + 5x - 19 + 2x + 14 =180

20x -40 = 180

20x = 180 + 40

20x = 220

x = 220/20

x = 11

Now that we know the value of x, we can find the measures of the angles.

m∠B = (13x- 35)° = (13*11 - 35)° = 108°

m∠B = (5x - 19)° = (5*11 - 19)° = 36°

m∠D = (2x + 14)° = (2*11 + 14)° = 36°

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Which of the following sequences is an arithmetic sequence? Why?
1. 3, 7, 11, 15, 19
2. 4, 16, 64, 256
3. 48, 24, 12, 6, 3, ...
4. 1, 4, 9, 16, 25, 36
5. 1, 1/2, 0, -1/2
6. -2, 4, -8, 16, ...
7. 1, 0, -1, -2, -3
8. 1/2, 1/3, 1/4, 1/5, ...
9. 3x, x, x/3, x/9, ...
10. 9.5, 7.5, 5.5, 3.5, ..

Answers

Answer: sequences 1,5,7,9,10

Step-by-step explanation:

An arithmetic sequence is defined by a sequence of numbers with a common difference between terms. Technically if x=0 in q9 we have a constant sequence, which by definition is arithmetic. However if x does not equal 0 it is not arithmetic.

2
Select the correct answer from each drop-down menu.
The given equation has been solved in the table.
Step
1
2
3
4
5
In step 2, the
In step 4, the
3x
©2022 Edmentum. All rights reserved.
3x
-
Statement
- 10 -16
=
10+ 10 = -16 10
3x = -6
-6
33
x= -2
Use the table to complete each statement.
=
property of equality was a
s appled.
property of equality was applied.

Answers

In step 2: the additive property of equality was applied.

In step 4: the division property of equality was applied.

What are the properties to solve equation?

The properties of the relationship of equality, reflexivity, symmetry, transitivity, and the properties of operations are employed to solve an equation.

These characteristics hold true in both propositional language and arithmetic.

The following can be used to sum up this: An equality is still valid if the exact same operation is carried out on both sides of the equality.

Given that:

Step 1: 3x - 10 = -16

The additive inverse of -10 is +10

Step 2: 3x - 10 + 10 = -16 + 10 [Additive inverse]

Step 3: 3x = -6

Step 4: 3x/3 = -6/3  [Division property]

Step 5: x = -2

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Identify what type of shape JKL is if J(3, 0),
K(6, 8) and L(-5, 3). The slope of JK = 8/3
and the length of LJ = 8.54.

Answers

The shape of JKL is an Isosceles triangle

What is a triangle?

A triangle is a three-sided polygon with three vertices. The triangle's internal angle, add up to 180 degrees.

How to find the shape of JKL

The three vertices of shape JKL  \which are J(3, 0), K(6, 8) and L(-5, 3), points that the shape is a triangle since triangles have 3 vertices.

The shape is plotted and attached and the graph which is a pictorial representations represents the shape to be a triangle

The plot shows that LJ = JK = 8.5

Also, distance between points J(3, 0) and K(6, 8)  is calculated as follows

d = √{(x₂ - x₁)² + (y₂ - y₁)²}

d =√{(3 - 6)² + (0 - 8)²}

d =√{9 + 64}

d = √73

d = 8.54 units

distance between point J(3, 0) and L(-5, 3)

d =√{(3 - (-5))² + (0 - 3)²}

d =√{64 + 9}

d = √73

d = 8.54 units

distance between point K(6, 8) and L(-5, 3)

d =√{(6 - (-5))² + (8 - 3)²}

d =√{121 + 25}

d = √146

d = 12.08 units

since LJ = JK, the triangle is isosceles

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SOMEONE PLEASE HELP
Frank has white and blue bulbs with the ratio of 3:5. It has 45 white bulbs. He wants to change the ratio of white and blue bulb to 1:3. He will keep the same total number of bulbs. How many MORE blue bulbs will there be now?

Answers

Maintaining same number of bulbs and changing the ratio the number of blue bulbs will be 90

How to find the new number of bulbs

From the problem we can deduce

Frank has white and blue bulbs with the ratio of 3 : 5

white, w = 3

blue, b = 5

The number of blue bulbs

3 parts = 45

5 parts = ?

cross multiplying

3 * ? = 5 * 18

? = 75

total number of bulbs = 75 + 45 = 120

new ratio is 1 : 3 sum of the ratio is 4

120 / 4 = 30

1 part = 30

3 parts = 3 * 30 = 90

blue bulbs are 90

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Using a pencil, pair of compasses, ruler and protractor, construct a triangle with sides 7cm, 6cm and angle between of 75°. Measure the length of the third side to the nearest millimetre.​

Answers

Answer:

Step-by-step explanation:

We know that there is no rational number which when multiplied with 0, gives 1. Therefore, the rational number 0 has no reciprocal.

Use the quadratic formula to find both solutions to the quadratic equation
given below.
x² + 8x = 20
O A. x - ³-√²7
2
B. X=2
□ C. x = -6-√27
D. x=-10
E. x = -1
F.
X=
-6+ √27
2

Answers

Answer:

B. x=2 and D. x=-10

Step-by-step explanation:

We have the quadratic formula: [tex]x=\frac{-b\sqrt{b^{2} -4ac} }{2a}[/tex]

Quadratic equations are in the form [tex]ax^2+bx+c[/tex]

We have to get the equation equal to zero before we can use the quadratic formula so subtract 20 from both sides and we get [tex]x^2+8x-20=0[/tex]

[tex]a=1, b=8, c=-20[/tex]

Now we plug these values into the quadratic equation

[tex]x=\frac{-8\sqrt{8^{2}-4(1)(-20) } }{2(1)}[/tex]

Now we solve for x

[tex]x=\frac{-8\sqrt{64+80} }{2}[/tex]

[tex]x=\frac{-8\sqrt{144} }{2}[/tex]

Now we get two equations because the square root gives us both a positive and a negative answer.

[tex]x=\frac{(-8)+12}{2}[/tex] and [tex]x=\frac{(-8)-12}{2}[/tex]

Let's solve the first one now

[tex]x=\frac{4}{2}[/tex]

[tex]x=2[/tex]

Now the second one

[tex]x=\frac{-20}{2}[/tex]

[tex]x=-10[/tex]

so [tex]x=2[/tex] and [tex]x=-10[/tex]

so the answers are B and D.

Hope this helps!

Type a digit that makes this statement true.

314,10__ is divisible by 10.

Answers

Answer:

the digit will be 0 so to get divisible by 10

Identify the angle shown

A. Alternate interior angles
B. Alternate exterior angles
C. Corresponding angles
D. Same side interior angles

Help!!!

Answers

Answer:

B. Alternate exterior angles

Step-by-step explanation:

Alternate exterior angles are angles opposite outside of each other and have the same degree. So the answer is B

How many cigarettes (per day) would someone smoke who can hold their breath for 20 seconds?

Answers

It is not possible to determine how many cigarettes someone would smoke based on how long they can hold their breath. The ability to hold one's breath is not related to the number of cigarettes smoked per day

The table shown below gives the approximate enrollment at the University of Michigan every fifty years. How many more students were enrolled at the University of Michigan in 1950 than in 1900?

Answers

Answer:
2.33*10^4
Step-by-step explanation:
Let's subtract the enrollment in 1900 from the enrollment in 1950.
2.7*10^4 - 3.7*10^3
= 27*10^3 - 3.7*10^3
= (27-3.7)*10^3
= 2.33*10^3
2.33*10^4 students.

Solve the equation 10-(x+3)/2=8.​

Answers

10-(x+3)/2=8 => correct answer is - 8

=> 10 - (x+2) = 8x2

=> 10 - x - 2 = 16

=> 10 - x = 16 + 2

=> 10 - x = 18

=> -x = 18 - 10

=> x = -8

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I would have found it hard to type so I will link the attachment to my workings below

which of the following describes the derivative function f'(x) of a quadratic function f(x)

Answers

The first derivative of quadratic function is obtained as a linear function.

What is differentiation?

The differentiation of a function is defined as rate of change of its value at a point. It can be written as f'(x) =  lim h --> 0 (f(x + h) - f(x)) /(x + h - x).

It can also be described as the slope of the tangent of function at a given point.

The general form of a quadratic function is as below,

f(x) = ax² + bx + c

Its first derivative can be written as below,

f'(x) = 2ax + b

The degree of the function f'(x) is 1.

Thus, it is a linear function.

Hence, the function to describe the derivative of quadratic function is linear.  

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Select the graph for the solution of the open sentence. Click until the correct graph appears.

4|x| - 1 < -4

Answers

Answer:

No solution

Step-by-step explanation:

based on a 95% confidence interval and the 6% difference observed in this study, we estimate that the gender difference in u.s. teen depression rates is between 3.2% and 8.5%, with girls having higher rates. 95% of the time this method produces an interval that contains the true difference. a. invalid b. valid

Answers

This method is valid since it produces an interval that contains the true difference 95% of the time. The interval for the gender difference in U.S. teen depression rates is between 3.2% and 8.5%, with girls having higher rates.

The confidence interval method is a valid way of estimating a population parameter based on a sample statistic. In this case, the sample statistic is the 6% difference observed in the study. The confidence interval is used to estimate the true difference between the two groups in the population. This method produces an interval that contains the true difference 95% of the time. In this case, the 95% confidence interval for the gender difference in U.S. teen depression rates is between 3.2% and 8.5%, with girls having higher rates. This means that there is a 95% chance that the true difference in depression rates between boys and girls is somewhere between 3.2% and 8.5%. This method is considered valid because it produces an interval that contains the true difference 95% of the time.The 95% confidence interval for the gender difference in U.S. teen depression rates is calculated as follows:

Lower bound: 6% - 1.96*(Standard Error)

Lower bound: 6% - 1.96*(1.5%)

Lower bound: 3.2%

Upper bound: 6% + 1.96*(Standard Error)

Upper bound: 6% + 1.96*(1.5%)

Upper bound: 8.5%

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Ms. Jenson purchased a car. She borrowed
$18,000 for 3 years at an annual simple interest
rate of 7%. How much interest will she pay if
she pays the entire loan off at the end of the
third year?
A) $1,260.00
C) $3,780.00
B) $21,780.00
D) $12,600.00

Answers

Answer: C) $3,780.00

Step-by-step explanation:

1 year = 7% interest rate

3 years = 21% interest rate

21% = 0.21

Take 18000 times 0.21 = $3,780.00

3. Imagine that you are taking a ride while on vacation. If the ride service charges Birr 50 to pick you up from the hotel and Birr 10 per km for the trip. What maximum km's you travel if your cost is not more than Birr 1350.​

Answers

The maximum km's you travel if your cost is not more than Birr 1350. is 130 kilometers.

How to solve the equation?

An equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenario. It is vital to note that an equation is a mathematical statement which is made up of two expressions that are connected by an equal sign.

From the information, the ride service charges Birr 50 to pick you up from the hotel and Birr 10 per km for the trip.

Let the number of kilometers be x.

50 + 10x = 1350

Collect the like terms

10x = 1350 - 50

10x = 1300

Divide

x = 1300 / 10

x = 130

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Solve the quadratic equation by using a numeric approach.x squared - 8 x - 16 = 0 a. x = 1 b. x = 5 c. x = -4 d. x = -8

Answers

The solution for the quadratic equation; x squared + 8 x + 16 = 0 as required to be determined using a numerical approach is; Choice C; x = -4.

What is the solution for the quadratic equation as given?

It follows from the task content that the solution of the quadratic equation is to be determined by using a numerical approach as stated.

On this note, since the standard form quadratic equation takes the form; ax² + bx + c = 0.

To solve, it is important to determine two numbers whose product yields c and sum is; b.

Therefore, for the equation; x² + 8x + 16 = 0; the numbers are; 4 and 4.

Therefore, we have;

x² + 4x + 4x + 16 = 0.

x (x + 4) + 4 (x + 4)

(x + 4) (x + 4) = 0

x = -4.

On this note, the correct answer choice is; Choice C; x = -4.

Complete question; The correct question syntax is; x² + 8x + 16 = 0.

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The measure of <1 is:
570.
620.
119.
None of these choices are correct.

Answers

Because the base of the triangle is a straight line, it has an angle measure of 180.° Therefore, we can form an equation to find the measure of angle 1:

57+m∠1=190

Solve for m∠1:

Subtract 57 from both sides:

m∠1=180-57

m∠1=123°

So, none of the choices are correct
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