An ice cream store sells 4 drinks, in 4 sizes, and 7 flavors. In how many ways can a customer order a drink?

Newton earns $39 for working 3 hours as a radio host.

In terms of time and work, it refers to how long it takes a person or group of individuals to perform a task and how well each of them does it. A crucial concept that time and labour have in common with other arithmetic topics is the concept of proportionality. Efficiency is inversely proportional to time required while the amount of work is constant.

Efficiency serves as the proportionality constant, and work and time are directly proportional.

Given,

As a radio host, Newton puts in 15 hours and makes $195..

For a one hour the employee earns $13

So with this information we can put:

13×3=39

In 3 hours Newton earns $39 for working as a radio host.

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Answer: B

Step-by-step explanation:

What is an isosceles trapezoid?

An isosceles trapezoid is a type of quadrilateral in which the non-parallel sides have equal length and angle measure.

Let's address each answer to see which are true:

A) True: By definition of an isosceles trapezoid, the non-parallel sides have equal length and angle measure. 2x+10 and 4x-30 are written as equations to represent the unknown measurement of the angles A and D. Because this is an isosceles trapezoid, these angles would have the same measurement, meaning they are equal to each other.

B) False: A trapezoid is a quadrilateral. Quadrilaterals are four-sided figures which angles add up to 360°. Some other shapes that are quadrilaterals are squares, rectangles rhombuses and trapezoids. Because a trapezoid is a quadrilateral, the angles do not and can not add up to 180°

C) True: A trapezoid is a quadrilateral, which is a shape which angles add up to 360°. This means that Angles A, B, C, D of this shape should also add up to 360°.

D) True: An isosceles trapezoid is a type of trapezoid whose non-parallel sides have equal side lengths and angles measurements. Due to this definition, AB and CD would have the same length.

Answer:

Step-by-step explanation:

Using

Point A: x= 1 and y=3

And point B: x=-2 and y=-6

use equation of slope and substitute the values

Slope= YB-YA/Xb-Xa

= -6-3/-2-1

=3

The equation of the line m is y = -2x + 4, for n is y = x - 1, for p is x = -4, and for l is y = 4.

It is defined as the relation between two variables, if we plot the graph of the linear equation we will get a straight line.

If in the linear equation, one variable is present, then the equation is known as the linear equation in one variable.

It is given that:

The graph on which the straight line is shown:

The equation of the line m

(2, 0) and (0, 4)

y = (4)/(-2)[x - 2]

y = -2(x - 2)

y = -2x + 4

The equation the line n:

(1, 0) and (0, -1)

y = (-1)/(-1)[x - 1]

y = x - 1

The equation of the line p:

x = -4

The equation of the line l:

y = 4

Thus, the equation of the line m is y = -2x + 4, for n, is y = x - 1, for p is x = -4, and for l is y = 4.

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2x²+12x=0 , x²-2x=4 and 9x²+6x-3=0 are Quadratic equation

Quadratic equations are polynomial equations whose degree is of 2 in one of the variable.

The standard form of quadratic equation is ax²+bx+c = d where a, b and c are  real numbers and a ≠ 0.

In general form of quadratic equation , "a" is known as leading coefficient and "c" is known as absolute term of function.

In the given question,

Equation whose max. degree will be 2 will be quadratic .

2x²+12x=0 , equation is quadratic as degree of equation is 2

x²-2x=4 , equation is quadratic as degree of equation is 2

x³-6x²+8=0 , Degree of equation is 3

Therefore , equation is not quadratic

5x-3=0 , Degree of equation is 1

Therefore , equation is not quadratic

5x-1=3x+8 , Degree of equation is 1

Therefore , equation is not quadratic

9x²+6x-3=0 , Degree of equation is 2

It is quadratic equation.

Hence , 2x²+12x=0 , x²-2x=4 and 9x²+6x-3=0 are quadratic equation

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Answer:

1=180 2=90

Step-by-step explanation:

1=∠1 and ∠2 are supplementary, so m∠2 = 180° - x°. ∠2 and ∠6 are corresponding angles. So, m∠6 = 180° - x°.

2=Their measures are equal, so m∠4 = 90 . When two lines intersect to form one right angle, they form four right angles.

Answer:

∠4 = 55°

∠6 = 35°

Step-by-step explanation:

    In ΔABC,

         35 + 90 + ∠4 = 180° {Sum of all angles of triangle}

                  125 +∠4 = 180

                           ∠4 = 180 - 125

                             ∠4 = 55°

Linear pair: If in two adjacent angles, the  non-common arms form a straight line, then the two angles are called linear pair and they add up to 180.

∠7 + ∠8 = 180°  {linear pair}

   90 + ∠7  = 180°

            ∠7 = 180 - 90

                 ∠7 = 90°

In ΔACD,

         ∠6 + ∠4+ ∠7 = 180  {Sum of all angles of triangle}

           ∠6 + 55 + 90 = 180

                   ∠6 + 145 = 180

                             ∠6 = 180 - 145

                   ∠6 = 35°

Answer: 25 questions

Step-by-step explanation:

The total price of the toaster oven, including tax is $51.36.

Given that the toaster oven usually sells for $60 and the toaster oven is 20% off, the new price will be;

= Normal price - Discount

= $60 - (20% × $60)

= $60 - $12

= $48

Also, sales tax is 7%, therefore the new price will be:

= $48 + (7% × $48)

= $48 + $3.36

= $51.36

The price is $51.36.

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The rocket splashes down after 39.164 seconds. The rocket reach its peak height 19.081 seconds after launch. The rocket peaks at 1976.13 meters above sea level.

The function of height is given by,

h(t) = -4.9t² + 187t + 192

Once the rocket will be splashed down in sea, means the height of the rocket will be zero. Means

x h(t) = 0

-4.9t² + 187t + 192 = 0

Solving the quadratic equation with quadratic formula, we have two values of t

t = 39.164 and t = -1.001

We will consider the positive value of the time

So the answer is 39.164 seconds.

For getting the maximum value, we should differentiate the function of height and make it equal to zero.

 [tex]\frac{dh(t)}{dt} = \frac{d}{dt} (-4.9t^2 + 187 t + 192)[/tex]

For maximum value of h, [tex]\frac{dh (t)}{dt} = 0[/tex]

0 = -4.9 × (2t) + 187

t = 19.081 seconds

At this time, the height of rocket will be maximum.

So putting the vaiue in the given function.

h = -4.9 × (19.081)² + 187 (19.081) + 192

h = 1976.13 meters

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Step-by-step explanation:

together they are 180°.

so,

(11x + 2) + (8x + 7) = 180

11x + 2 + 8x + 7 = 180

19x + 9 = 180

19x = 171

x = 171/19 = 9

and the angles are

(11x + 2) = 11×9 + 2 = 99 + 2 = 101°

(8x + 7) = 8×9 + 7 = 72 + 7 = 79°

Answer: D

Step-by-step explanation: I believe this the correct answer. If you start by looking at the "right 3 units", going right on a coordinate plane is - and left is +, so right 3 units is -3. Then, down 4 units is -4 (on coordinate plane, up is + and down is -).

So then, plug it into the equation: h(x)= {x-3}-4

I hope this helps and you get it right :)

Answer:

[tex]157^{\circ}[/tex]

Step-by-step explanation:

Using the exterior angle theorem,

[tex]m\angle K=m\angle J+m\angle L=157^{\circ}[/tex]

The number of visitors to the beach in June is B. 60000.

Since the pie chart isn't given, let the assumed percentage for the visit to the beach in June be 20%.

In this case, the new visitors visit their beaches each month in the summer. If the total number of visitors in the entire summer is 300,000 will be:

= Percentage for visits × Total people

= 20% × 300000

= 60000

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Answer:587

Step-by-step explanation: multiply 5 by 7 and 6,thatll give you 30+35=65

then 65 multiplied by 9 is 585 then add2 is 587

Answer:

30

Step-by-step explanation:

Supplementary angles add to 180°.

[tex]4x+30+2x-30=180 \\ \\ 6x=180 \\ \\ x=30[/tex]

The number line which represents the number of exams Ms. Filer had left to grade is "number line with an open circle on number 15 and line shaded left". option B

five eighths plus h equals eleven over eight, determine the value of h.

5/8 + h = 11/8

substract 5/8 from both sides

h = 11/8 - 5/8

h = 6/8

h = 3/4

Water boils at a minimum temperature of 100 degrees Celsius.

The inequality:

100 ≥ b

Mario total goal for the month = Number of miles Mario has left to run this month to reach her goal + number of miles Mario has run so far

150 = m + 75

substract 75 from both sides

150 - 75 = m

75 = m

The equation f + 24 = −3, solve for f.

f + 24 = -3

substract 24 from both sides

f = -3 - 24

f = -27

Number of gifts each family donates = 4

Number of families = 12

Total gifts donated = g

The equation:

g / 12 = 4

cross product

g = 12 × 4

g = 48

The equation 17 equals y over -3, solve for y.

17 = y / -3

cross product

17 × -3 = y

-51 = y

Number of cookies Bella is baking = 42

Number of cookies she has baked = 29

Number of cookies left for Bella to bake = x

The equation:

42 = x + 29

substract 29 from both sides

42 - 29 = x

13 = x

The inequality:

6(n − 5) < 3(n + 4)

open parenthesis

6n - 30 = 3n + 12

6n - 3n = 12 + 30

3n = 42

divide both sides by 3

n = 42/3

n = 14

The equation 5.24w = 16.506, solve for w.

5.24w = 16.506

divide both sides by 5.24

w = 16.506 / 5.24

w = 3.15

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The relationship which has a zero slope is a two column table with five rows. The first column, x, has the entries, negative 3, negative 1, 1, 3, and the second column, y, has the entries, 2, 2, 2, 2. Option A is correct.

We know that a line has a zero slope is when the line is parallel to the x-axis.

The slope of a line is given by;

m = (y₂ - y₁) / (x₂ - x₁)

where (x₂, y₂) and (x₁, y₁) are the coordinates of any two points on the line of slope.

For option A:

The given coordinates are;

(-3, 2), (-1, 2), (1, 2), (3, 2)

Choose any two points to calculate the slope of the line.

We will choose the first two points and put the values in the above formula, we will get;

m = (2 - 2) / (-1 (-3)) = 0 / 2 = 0

So, the slope of the line is 0.

Thus, the relationship which has a zero slope is a two column table with five rows. The first column, x, has the entries, negative 3, negative 1, 1, 3, and the second column, y, has the entries, 2, 2, 2, 2. Option A is correct.

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Answer:

-35

Step-by-step explanation:

The solution of the system using Cramer's Rule is x= -0.53, y=0.78 and z=1.13.

In the given question we have to solve the system using the Cramer's rule.

The given equations are

-4x-5y+6z = 5

-3x+6y-2z = 4

5x+9y-3z = 1

From the Cramer's rule

[tex]\left[\begin{array}{ccc}-4&-5&6\\-3&6&-2\\5&9&-3\end{array}\right] \left[\begin{array}{ccc}x\\y\\z\end{array}\right] =\left[\begin{array}{ccc}5\\4\\1\end{array}\right][/tex]

Here,

A = [tex]\left[\begin{array}{ccc}-4&-5&6\\-3&6&-2\\5&9&-3\end{array}\right][/tex]

X= [tex]\left[\begin{array}{ccc}x\\y\\z\end{array}\right][/tex]

B = [tex]\left[\begin{array}{ccc}5\\4\\1\end{array}\right][/tex]

Now D=|A|

D= [tex]\left|\begin{array}{ccc}-4&-5&6\\-3&6&-2\\5&9&-3\end{array}\right|[/tex]

D= [tex]-4\left|\begin{array}{ccc}6&-2\\9&-3\end{array}\right|-(-5)\left|\begin{array}{ccc}-3&-2\\5&-3\end{array}\right|+6\left|\begin{array}{ccc}-3&6\\5&9\end{array}\right|[/tex]

D= -4[6×(-3)-(-2)×9]+5[(-3)×(-3)-(-2)×5]+6[(-3)×9-5×6]

D= -4[-18+18]+5[9+10]+6[-27-30]

D= -4×0+5×19+6×(-57)

D= 0+95-342

D= -247

[tex]D_{x}=\left[\begin{array}{ccc}5&-5&6\\4&6&-2\\1&9&-3\end{array}\right][/tex]

Simplifying the matrix

[tex]D_{x}=5\left|\begin{array}{ccc}6&-2\\9&-3\end{array}\right|-(-5)\left|\begin{array}{ccc}4&-2\\1&-3\end{array}\right|+6\left|\begin{array}{ccc}4&6\\1&9\end{array}\right|[/tex]

[tex]D_{x}[/tex] = 5[6×(-3)-(-2)×9]+5[4×(-3)-(-2)×1]+6[4×9-1×6]

[tex]D_{x}[/tex] = 5[-18+18]+5[-12+2]+6[36-6]

[tex]D_{x}[/tex] = 5×0+5×(-10)+6×30

[tex]D_{x}[/tex] = 0-50+180

[tex]D_{x}[/tex] = 130

[tex]D_{y}=\left[\begin{array}{ccc}-4&5&6\\-3&4&-2\\5&1&-3\end{array}\right][/tex]

Simplifying the matrix

[tex]D_{y}= -4\left|\begin{array}{ccc}4&-2\\1&-3\end{array}\right|-5\left|\begin{array}{ccc}-3&-2\\5&-3\end{array}\right|+6\left|\begin{array}{ccc}-3&4\\5&1\end{array}\right|[/tex]

[tex]D_{y}[/tex] = -4[4×(-3)-(-2)×1]-5[(-3)×(-3)-(-2)×5]+6[(-3)×1-4×5]

[tex]D_{y}[/tex] = -4[-12+2]-5[9+10]+6[-3-20]

[tex]D_{y}[/tex] = (-4)×(-10)-5×19+6×(-23)

[tex]D_{y}[/tex] = 40-95-138

[tex]D_{y}[/tex] = -193

[tex]D_{z}=\left[\begin{array}{ccc}-4&-5&5\\-3&6&4\\5&9&1\end{array}\right][/tex]

Simplifying the matrix

[tex]D_{z}=-4\left|\begin{array}{ccc}6&4\\9&1\end{array}\right|-(-5)\left|\begin{array}{ccc}-3&4\\5&1\end{array}\right|+5\left|\begin{array}{ccc}-3&6\\5&9\end{array}\right|[/tex]

[tex]D_{z}[/tex] = -4[6×1-4×9]+5[1×(-3)-4×5]+5[(-3)×9-5×6]

[tex]D_{z}[/tex] = -4[6-36]+5[-3-20]+5[-27-30]

[tex]D_{z}[/tex] = (-4)×(-30)+5×(-23)+5×(-57)

[tex]D_{z}[/tex] = 120-115-285

[tex]D_{z}[/tex] = -280

As we know that;  x=Dx/D, y=Dy/D, z=Dz/D

x=130/(-247)

x= -0.53

y=(-193)/(-247)

y=0.78

z=(-280)/(-247)

z=1.13

Hence, the solution of the system using Cramer's Rule is x= -0.53, y=0.78 and z=1.13.

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Check the picture below.

The interest earned on a [tex]$\$ 50,000$[/tex] deposited for 6 years at [tex]$4\frac{1}{8 }\%$[/tex] in compounded continuously is [tex]$\$ 14040.97$[/tex].

Continuous compounding is the mathematical limit of the number of periods across which compound interest can be calculated and reinvested into the account balance. Although it is impractical, the concept of endlessly compounded interest is important in finance. This is an extreme example of compounding because most interest is compounded on a monthly, quarterly, or semiannual basis.

The given amount is [tex]$\$ 50,000$[/tex].

It will be deposited for 6 years.

With [tex]$4\frac{1}{8 }\%$[/tex] interest,

The formula for compounded continuously is

[tex]$$\begin{aligned}&A=P e^{r t} \\&P=50000 \\&r=4 \frac{1}{8}=\frac{33}{8}\end{aligned}$$[/tex]

[tex]$$\begin{aligned}r &=0.04125 \\t &=6\end{aligned}$$[/tex]

Substitute all the values

[tex]$$\begin{aligned}&A=50000 e^{0.04125 \times6} \\&A=50000 e^{0.2475} \\&A=50000\times 1.28081\\&A=64040.96811\end{aligned}$$[/tex]

[tex]$\mathrm{I}=\mathrm{A}-\mathrm{P}$[/tex]

Interest [tex]$=64040.96811-50000=14040.9681$[/tex]

Hence, Interest [tex]$=\$ 14040.97$[/tex]

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The actual distance will be 4000 miles.

According to the question,

We have the following information:

The legend on a map states that 1 inch is 500 miles.

So, this statement can be rewritten in the form of following expression:

1 inch = 500 miles

Now, in order to find the actual distance for 8 inches, we will multiply the distance in 1 inch with 8.

(More to know: measurements like this are used in daily life to find the actual distance between two places.)

So, we have the following expression:

8 inches = 500*8 miles

8 inches = 4000 miles

Hence, the actual distance will be 4000 miles if it measures 8 inches on the map.

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The probability that a salesperson hit the quota, given that the salesperson was promoted, using the tree diagram,: is option c 0.86

What is a probability?

The probability of an event in an experiment is calculated by the division of the number of desired outcomes by the number of total outcomes in the experiment.

From the tree diagram, there are two ways to obtain the promotion:

0.41 of 0.68 (hit the quota).

0.14 of 0.32 (did not hit the quota).

Hence the probability of getting a promotion is:

P(A) = 0.41 x 0.68 + 0.14 x 0.32 = 0.3236.

The probability of both getting a promotion and hitting the quota is:

P(A and B) = 0.41 x 0.68 = 0.2788.

Hence the conditional probability is:

P(B|A) = P(A and B)/P(A) = 0.2788/0.3236 = 0.86. (approximately).

The probability that a salesperson hit the quota, given that the salesperson was promoted, using the tree diagram,: is option c 0.86

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Answer:

14.5 gallons will be gone in 1 minute

Step-by-step explanation:

just divide 58 by 4 and thats how much water will be gone in 1 minute

Answer: divide the area value by 1e+6

Step-by-step explanation:

Answer:

[tex] y \geq 15[/tex]

Step-by-step explanation:

The range of the inverse is the same as the domain of the original function.

Answer:y>15

Step-by-step explanation:

The most appropriate interpretation for the slope of the data given is the height of water in the pool increases by 2 inches per minute. Option (1) is correct.

The slope of a line, also known as its gradient, is the value of the steepness or direction of a line in a coordinate plane. Slope can be calculated using various methods given a line equation or the coordinates of points on a straight line.

Given that

Time                       Height

2                                 8

4                                12

6                                16

8                                20

10                              24

The slope of the line = 2

A line's slope is also known as its gradient or rate of change.

The slope can be positive or negative; positive slope values indicate an increase in x as y increases and vice versa.

A negative slope indicates that one variable decreases as the other increases.

Because the slope value given here is positive, we can conclude that the height of the water increases over time.

As a result, the height of the water rises by 2 inches per minute.

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The end behavior of the given graph is as x → -∞, f(x) → ∞ and as x → ∞ f(x) = ∞.

End behavior of graph

End behavior of the graph refers the behavior of the graph of f(x) as x approaches positive infinity or negative infinity. And the degree and the leading coefficient of a polynomial function will determine the end behavior of the graph.

Given,

Here we have the graph with some function as y = f(x).

Here we have to find the end behavior of the graph.

Here we can see that the value of x goes to the positive side (the right side of the graph), the graph increases upwards, and this is shown with the arrow pointing up.

So, which means that the value of x goes to ∞,  then the value of y will also go to ∞.

Similarly, we can see the exact same behavior for the negative side of x (the left side of the graph), then as x goes to -∞, y will go to ∞.

Therefore, the correct option will be the second option, counting from the top.

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Using simplification, the number is −1.

Given that, If 2 is added to a number and this sum is tripled, the result is 4 more than the number.

Let the number is x.

Therefore from given information we get

2 is added to a number.

Then it is x+2.

Sum is tripled.

So 3(x+2)

4 more than number means x+4.

So according to the given statement equation should be

3(x+2)=x+4

Simplifying the expression

3x+6=x+4

Subtract 6 on both side

3x+6−6=x+4−6

3x=x−2

Subtract x on both sie

3x−x=x−2−x

2x=−2

Divide by 2 on both side we get

x=−1

Hence, the number is −1.

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