A line connects the midpoint of BC (point E), with point D in the square ABCD shown below. Calculate the area of the acquired trapezoid shape of the square has a side of 4 m.
Answers
The area of the trapezoid formed is equal to 12 square meters.
The area of the trapezium is calculated by using the formula.
A =(a + b) × h / 2
In the given trapezium the length of the parallel sides are:
2 m and 4 meters.
The distance between the parallel sides is 4 m
Area of the trapezium = (2+4) × 4÷2 = 12 square meters
A trapezoid is a quadrilateral that has at least one pair of parallel sides.
A trapezoid is a convex quadrilateral by definition in Euclidean geometry. The parallel sides serve as the trapezoid's bases. The remaining two sides are referred to as the lateral sides or the legs if they are parallel; otherwise, the trapezoid appears to be a parallelogram, with two pairs of bases.
Therefore the area of the trapezium is 12 square meters .
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Related Questions
Translate this phrase into an algebraic expression.
Eight less than the product of 21 of goran’s score.
Use the variable g to represent Goran’s score.
Answers
Answer:
21g-8
Step-by-step explanation:
The product of Goran's score and 21 = 21g, then subtract 8 from that.
Answer:
lo siento no se mucho de este ap
the scores on a mathematics exam have a mean of 70 and a standard deviation of 5. find the x-value that corresponds to the z-score 2.33.
Answers
x-value that corresponds to the z-score of 2.33 is 81.65.
Mean = 70
Standard deviation = 5
z score = 2.33
Using the z-score formula:
z = (x - mean) / SD
Plug the values:
2.33 = (x-70)/5
x = 5(2.33) +70
x = 81.5
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Ralph hit a softball into the air with an initial upward velocity of 48 feet per
second. The height h in feet of the ball above the ground can be modeled by
h = -16t² +48t + 3, where t is the time in seconds after Ralph hit th
softball.
What is the realistic domain for this function?
Answers
Answer:
domain: [0, (6+√39)/4] ≈ [0, 3.06125]
Step-by-step explanation:
You want the realistic domain of a height function h = -16t² +48t + 3.
DomainThe given polynomial is defined for all values of t. Since it represents height above the ground, and after the ball is thrown, only function values in the first quadrant are of interest: h ≥ 0, t ≥ 0.
The height becomes zero at t = (6+√39)/4 ≈ 3.061 seconds after the ball is hit. Hence the realistic domain is [0, (6+√39)/4], the interval in which the ball is above ground.
__
Additional comment
We can solve this using the "completing the square" method.
t^2 -3t = 3/16 . . . . . . divide by -16, add 3/16
(t -3/2)^2 = 3/16 +9/4 . . . . . add 9/4 to complete the square
t = 3/2 ± √(39/16) = (6 ± √39)/4 . . . . . . take the square root, add 3/2
Only the positive value of the solution is applicable to this problem. That value is ...
h = 0 at t = (6 +√39)/4 ≈ 3.061249
The vertex angle of an isosceles triangle is 5 degrees more than 3 times the measure of one of the
base angles. Determine the measure of each angle of the triangle.
Answers
The measure of each angle of the triangle are 35°, 35°, 110°.
What is an isosceles triangle?
An isosceles triangle has two equal sides as well as two equal angles.The Greek words iso (same) and skelos are the source of the name (leg).An equilateral triangle is one in which all of its sides are equal, whereas a scalene triangle is one in which none of its sides are equal.Let's Base angle =x°
Vertex angle = 5° +3x°
The sum of measure of angles of triangle are supplementary.
i.e., Sum of triangle = 180°
So,
x° + x° + 5° + 3x° =180°
5x° + 5° = 180°
5x° = 175°
x° = 175° /5°
x = 35°
Base angle = 35°
Vertex angle = 5°+ 3x°
= 5° + 3×35°
= 5° +105°
Vertex angle = 110°
Hence, the measure of each angle of the triangle are 35°, 35°, 110°.
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If the original quantity is 5 and the new quantity is 7, what is the percent of change?
Answers
[(7-5)/5]*100 = 40%
Final answer = 40% increase
Hello a girl out pls
Answers
Answer:
D
Step-by-step explanation:
What is the value of x?
Enter your answer in the box.
x = ___
Answers
Answer:
x=32 degrees
Step-by-step explanation:
Since the triangle is equilateral, each angle is = 60 degrees. This means that 2x-4=60
=) 2x=64
=) x=32
UT
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10. FIND THE ERROR A classmate is calculating the amount in a savings
account after 10 years. The deposit is $13,000 and the annual
simple interest rate is 2%. Describe the error. What support can
you provide to help them correct the error?
Answers
The interest when the classmate is calculating the amount in a savings account after 10 years is $2600.
How to calculate the interest?From the information, the classmate is calculating the amount in a savings account after 10 years and the deposit is $13,000 and the annual simple interest rate is 2%.
It should be noted that interest is calculated as:
= (Principal × Rate × Time) / 100
= ($13000 × 2 × 10) / 100
= $2600
The simple interest is $2600.
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Warren and Dirk are baking cookies for a charity bake sale. First they bake gingersnaps, which are Warren's favorite cookie. Then they bake 120 chocolate crinkles, which are Dirk's favorite. In all, Warren and Dirk bake 204 cookies. Use an equation to find the number of gingersnaps Warren and Dirk bake. gingersnaps Ver en españ
Answers
Answer:
g = 204 - 120
Step-by-step explanation:
T - CC = amount of gingersnaps
204 - 120 = 84
Warren and Dirk baked 84 gingersnaps
Solve the system by substitution.
y = x + 6
y = 3x
Answers
Answer:
y=9
x=3
Step-by-step explanation:
Answer:
x = 3y = 9Step-by-step explanation:
y = x + 6y = 3xBring one of the equations into the other one:
3x = x + 6
3x - x = 6
2x = 6
x= 3
Then, bring the found value to find the value other variable:
y = 3x = 3(3) = 9
Can someone help me
Answers
The graph of the given table of data is attached below. And the best scale for this one is x axis 1 cm = 20 units and y axis 1 cm = 1 units. The value of A is 60 and the value of B is 140.
Graph:
Graph can be used to view the table of data in a visual manner for the easy understanding of the given range of data.
Given,
Here we have the table of data that contains the details about the length and their corresponding mass in kg.
Now, we have to plot this data on the graph and then we have to find the best scale suitable for this graph.
Finally, we have to find the value of A and B in the plotted graph.
In order to plot the graph for the given table, we have to input the values on the graphing calculator,
Then we get the graph like the following.
While we lookin into the graph we have identified then the best scale suitable for this graph is
x axis
1 cm = 20 units and
y axis
1 cm = 1 units.
Now, the value of A is 60 and the value of B is 140.
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What is the value of the expression below when w=8?
w-2
Answers
The value of the expression w-8 is 6 when w=8
What is Expression?An expression is combination of variables, numbers and operators.
The given expression is w minus 8
w-2
The w is the variable and 2 is the number and minus is the operator
Now given variable w is 8
So substitute the value 8 in the expression w-2
8-2=6
Hence 6 is the value of the expression w-2 when w=8
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which of the following ratios are equalvalent to 5/20
1/4
1/5
20/100
25/100
Answers
Answer:
1/4 is a equivalent ratio
Step-by-step explanation:
hope it helped :)
At the local dairy farm, kareem buys a 32-oz container of yogurt for $2. 56. Jonah buys a 6-oz container of yogurt for $0. 48. Are the cost, y, in dollars and the amount of yogurt, x, proportional? explain. Write an equation to represent this relationship.
Answers
Yes, the cost y in dollars and the amount of yogurt x are proportional the equation is y = 0.08x.
Given:
At the local dairy farm, kareem buys a 32-oz container of yogurt for $2. 56. Jonah buys a 6-oz container of yogurt for $0. 48.
y varies directly as x :
y = kx
k = constant of proportionality
y = 2.56 and x = 32
y = kx
k = y/x
= 2.56/32
k = 0.08
substitute k we get
y = 0.08x.
so x and y are directly proportional.
Therefore Yes, the cost y in dollars and the amount of yogurt x are proportional the equation is y = 0.08x.
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6.
Using a line of best fit equation to predict values between actual data points is an example of
O extrapolation
O correlation
O linear relation
O interpolation
Answers
For the given line of best fit, equation which represents the prediction of values between the actual data points is representing an example of interpolation.
As given in the question,
Given line of best fit equation,
Here prediction is to be done for the values which are between the actual data points.
The predicted values are within the range.
Predicted values represents either extrapolation or interpolation
If predicted values are outside the actual points it is extrapolation.
Here it is between the actual data points.
So, it is interpolation.
Therefore, for the given line of best fit, equation which represents the prediction of values between the actual data points is representing an example of interpolation.
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isaac owns a trucking company. for every truck that goes out, isaac must pay the driver $19 per hour of driving and also has an expense of $1.50 per mile driven for gas and maintenance. on one particular day, the driver drove an average of 30 miles per hour and isaac's total expenses for the driver, gas and truck maintenance were $512. write a system of equations that could be used to determine the number of hours the driver worked and the number of miles the truck drove. define the variables that you use to write the system.
Answers
8 hours the driver worked and 240 miles the truck drove.
Assume that the truck traveled y miles per hour. and that the driver worked x hours per day.
The equations describing the provided issue will be
19x + 1.50 y = 512
y = 30x
y = 19 x + 1.50 y = 30 x + 1.50 y
When we enter the second equation into the first one, we get,
19 x + 1.50 (30 x) = 512
19x+ 45x = 512
64x = 512
x = 8
y = 240
The vehicle traveled 240 miles, and the driver put in eight hours' worth of work.
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Nathan invested $3,500 in an account paying an interest rate of 3. 5% compounded quarterly. Assuming no deposits or withdrawals are made, how much money, to the nearest hundred dollars, would be in the account after 19 years?.
Answers
Amount of money in the account after 19 years when no deposits or withdrawals are done for the invested amount $3,500 with 3.5% interest rate compounded quarterly is equal to $6,800(nearest hundred dollars).
As given in the question,
Amount invested by Nathan is principal 'P' = $3,500
Interest rate 'r' = 3.5% compounded quarterly
Number of compounding periods per year for given quarterly 'n' = 4
Time period 't'= 19 years
Amount of money in the account after 19 years when no deposits or withdrawals are done.
Let 'A' be the amount.
Formula used:
[tex]A = P \times ( 1+ \frac{r}{n} )^{nt}[/tex]
Substitute the value in the formula we get,
A = 3500 × [ 1 + (0.035/4) ]⁽⁴⁾⁽¹⁹⁾
= 3500 × [ 1 + 0.00875]⁽⁴⁾⁽¹⁹⁾
= 3500 × [ 1.00875]⁷⁶
= 6,786.06 (approximately)
= $6800 (nearest hundred dollars)
Therefore, amount of money in the account after 19 years when no deposits or withdrawals are done for the invested amount $3,500 with 3.5% interest rate compounded quarterly is equal to $6,800(nearest hundred dollars).
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1. (8x10^5)+(9x10^4) in standard form
2. (5x10^-1)+(5x10^-2) in standard form
3. Work out (3.5x10^11)x(2x10^15) give answer in standard form
4. (9x10^4)x(2x10^6) in standard form
5. (8x10^10) divided by (2x10^6) in standard form
6. (4.9x10^-13) divided by (7x10^4) in standard form
7. (8x10^4)-(9x10^3) in standard from
8. (7x10^-3)-(4x10^-4) in standard from
9. (3x10^7)x(3x10^12) in standard form
10. (9x10^2)x(2x10^4) in standard form
11. (1.2x10^13) divided by (6x10^2) in standard form
12. (4.5x10^9) divided by (9x10^-2) in standard form
Answers
Answer:
1. 8.9x10^5
2. 5.05x10^1
3. 7x10^26
4. 1.8x10^11
5. 4x10^4
6. 7x10^-18
7. 7.1x10^4
8. 6.6x10^-3
9. 9x10^19
10. 1.8x10^7
11. 2x10^10
12. 5x10^10
Drag graphs to show a graph of each equation in the table.
Answers
Answer:
see screenshot
Step-by-step explanation:
the equation is always f(x) = m * x + b
with b being where the graph hits the y axis and m being how much the graph rises or drops (then m is negative) when you go 1 to the right on the x axis
The Gonzalez family drove 342 miles in 6 hours. The Wilson family drove 472 miles in 8 hours.
Which family traveled at the higher rate of speed and what was this rate?
Question 2 options:
A:Gonzalez; 57 mi/h
B: Gonzalez; 59 mi/h
C: Wilson; 57 mi/h
D: Wilson; 59 mi/h
Warning: Whoever Answers this wrong will be reported :l
Answers
If the Wilson family drove 472 miles in 8 hours. The family that traveled at the higher rate of speed and rate is: D: Wilson; 59 mi/h
How to find the rate of speed?'Using this formula to find the speed
Speed = Distance /Time
Let plug in the formula
Rate of speed for Gonzalez family
Rate of speed = 342 ÷ 6
Rate of speed = 57 mph
Rate of speed for Wilson family
Rate of speed = 472 ÷ 8
Rate of speed = 59 mph
Therefore the correct option is D.
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Which expression is equivalent to -6(-3m-5)?
Answers
Answer:
18m + 30
Step-by-step explanation:
times everything in the bracket by 6
Please help giving out max points!!
Question: Graph the polygon and its image after a dilation with the given scale factor.
Answers
See attached
Given Triangle DGF, with vertices D(- 2, 0), G(2, 0), F(2, - 2),Scale factor r = 1.5.SolutionTriangle DGF is plotted, blue figure.
Find the coordinates of the image using the rule:
(x, y) = (1.5x, 1.5y)D' = (1.5*(-2), 1.5*0) = (-3, 0),G' = (1.5*0, 1.5*2) = (0, 3),F' = (1.5*2, 1.5*(-2)) = (3, - 3).The points added to same plot, red figure.
Answer:
D' = (-3, 0)
G' = (0, 3)
F' = (3, -3)
Step-by-step explanation:
Given vertices of the polygon:
D = (-2, 0)G = (0, 2)F = (2, -2)To dilate a figure by a given scale factor, multiply the coordinates of the vertices of the figure by the scale factor:
D' = (-2 × 1.5, 0 × 1.5) = (-3, 0)G' = (0 × 1.5, 2 × 1.5) = (0, 3)F' = (2 × 1.5, -2 × 1.5) = (3, -3)Therefore, the vertices of the image after dilation are:
D' = (-3, 0)G' = (0, 3)F' = (3, -3)Find all real numbers x such that
3x - 4 > 5 or -8x - 19 > 21
Click on the correct answer.
Answers
Answer:
Option B
Step-by-step explanation:
3x - 4 > 5
3x > 9
x > 3
-8x - 19 > 21
-8x > 40
x < -5
This means that we can eliminate the first option, since it includes all real numbers. We can also eliminate the last option since it doesn't include any real numbers.
The middle option is the only graph that includes numbers from -∞ to -5, and 3 to ∞
(will mark brainlist) Which of the following expressions is equivalent to 2x +37
○ 6(2)
8(2)*
2*
6
2*
8
Answers
Answer:
B) [tex]8(2)^{x}[/tex]
Step-by-step explanation:
Using the Product Property of Exponents, we know that two exponents with the same base can have their exponents added together.
Step 1 - Convert 8 to an exponent with a base of 2:
[tex]8 = 2^{3}[/tex]
Step 2 - Use the Product Property of Exponents:
[tex]2^{3} *2^{x}[/tex]
[tex]2^{x+3}[/tex]
Hope this helps and have a great day! :)
HOMEWORK Khadijah has at most three hours to work on a math assignment
3
and a history project. If the math assignment will take hour, how much time
can Khadijah spend working on her history project?
Answers
The time spent by Khadijah to work on her history project is 2 hrs.
Addition and Subtraction:Addition and subtraction are the two basic arithmetic operations in Mathematics. In Addition, we sum up two or more numbers to get another number and it is denoted by the symbol (+).
In subtraction, we take away a number from another number and it is denoted by (-).
Here we have
Khadijah has at most 3 hrs to work on a math assignment and a history project.
The time taken by Math assignment = 1 hrs
Here we need to find the time that can be spent working on her history project.
[ Here we will use subtraction to get the answer ]
From given data
The time can be spent on History = Total time - Time taken by Math
= 3 hrs - 1 hr = 2hrs
Therefore,
The time spent by Khadijah to work on her history project is 2 hrs.
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Mr. Johnson is ordering new desks and tables for the school. He has a budget of $2000, no more. Each desk is $45 and each table $75 befine your variables and write an inequality representing what Mr. Johnson can order. pls help
Answers
Answer: 45x + 75y < 2000
Step-by-step explanation:
x = # of desks
45 = cost/desk
y = # of tables
75 = cost/table
2000 = maximum dollar amount that can be spent
inequality:
45x + 75y < 2000
A painter can paint 15 square feet every 1/4 hour. How many square feet can they paint in one hour?
Answers
A painter can paint 60 square feet every 1 hour.
What is Multiplication?
To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.
Given that;
A painter can paint 15 square feet every 1/4 hour.
Now,
Since, A painter can paint 15 square feet every 1/4 hour.
Let painter can paint in every 1 hour = x square feet
So, By definition of proportional as;
⇒ 15 / (1/4) = x / 1
Solve for x as;
⇒ 15 × 4 = x
⇒ x = 60 square feet
Thus, A painter can paint 60 square feet every 1 hour.
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An artist charges $980 for a portrait but gives 5% discount for cash. Calculate the cash Price of the portrait
Answers
$980-$49=$931
Price of portrait after discount is $931.
(Pleasee hurry) Expand the expression: 1/2 (10x + 8)
Answers
5x+4 is the simplified form of expression 1/2(13x+5x-6-8x+14)
What is Expression?An expression is combination of variables, numbers and operators.
The given expression is
1/2(13x+5x-6-8x+14)
one by two times of thirteen x plus five times of x minus six minus eight times of x plus fourteen.
In the equation x is the variable
plus, minus and multiply are the operators
1/2(13x+5x-6-8x+14)
1/2(10x+8)
Now apply distributive property
1/2(10x)+1/2(8)
5x+4
Hence 5x+4 is the simplified form of expression 1/2(13x+5x-6-8x+14)
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Find the area of the circle pictured above.
Round your answer to the nearest tenth
Answers
Answer:
A ≈ 314.2 units
Step-by-step explanation:
To find the area of the circle, we will use the given formula. We are given the diameter (d), 20, and the radius (r) is half of the diameter. 20 units / 2 = 10 units for our radius (r).
A = πr²
A = π(10)²
A ≈ 314.15927
Now, we are asked to round to the nearest tenth.
A ≈ 314.2 units