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3 years ago

15

Maya earned $225.00 at her job when she worked for 10 hours. What did she earn in one hour?

1 answer:

Tatiana [17]3 years ago

3 0

Answer:

She makes $22.50 an hour.

Step-by-step explanation:

To find how much she makes in one hour you have to divide.

You get $22.50.

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Q # 1 Graph the function<br>Y = |X + 2| - 3

Svetllana [295]

First of all we know the Absolute Value Function that is:

$\left | x \right |= \left \{ {{x \ \ \ \ x \geq 0} \atop {-x \ \ \ \ x\ \textless \ 0}} \right.$

This is called the Parent Function <em>of the Absolute Value Function.</em>

From the equation:

$y=\left | x+2 \right |-3$

The term:

$\left | x+2 \right |$

means that the the Parent Function is <em>shifted</em> two units <em>to the left</em>.

On the other hand, the term:

$-3$

means that the function $\left | x+2 \right |$ is <em>shifted</em> three units <em>downward. </em>So the result is the graph shown below

4 0

3 years ago

Read 2 more answers

Write the standard form of the equation of the circle with endpoints of a diameter at the points (7,2) and (-9,5).

lys-0071 [83]

Answer:

$(x+1)^2 + (y- 3.5)^2 =64$

Step-by-step explanation:

We are given that endpoints of a diameter at the points (7,2) and (-9,5).

Center of the circle is the mid point of diameter

So, first find the mid point of diameter

Formula : $x=\frac{x_1+x_2}{2} , y=\frac{y_1+y_2}{2}$

$(x_1,y_1)=(7,2)\\(y_1,y_2)=(-9,5)$

Substitute the values in formula

$x=\frac{7-9}{2} , y=\frac{2+5}{2}$

$x=-1 , y=3.5$

So, center of circle = (h,k )=(-1,3.5)

To find length of diameter :

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

$(x_1,y_1)=(7,2)\\(y_1,y_2)=(-9,5)$

$d=\sqrt{(-9-7)^2+(5-2)^2}$

$d=\sqrt{265}$

Length of radius = r = $\frac{Diameter}{2}=\frac{\sqrt{256}}{2}$

Standard form of the equation of the circle : $(x -h)^2 + (y- k)^2 = r^2$

(h,k )=(-1,3.5)

$r=\frac{\sqrt{256}}{2}$

Equation of the circle : $(x+1)^2 + (y- 3.5)^2 =(\frac{\sqrt{256}}{2})^2$

Equation of the circle : $(x+1)^2 + (y- 3.5)^2 =64$

Hence the standard form of the equation of the circle with endpoints of a diameter at the points (7,2) and (-9,5) is $(x+1)^2 + (y- 3.5)^2 =64$

5 0

4 years ago

Find the distance between (4, -5) and (-4, -5) on the coordinate plane

kirill [66]

Answer:

x difference is 8

Step-by-step explanation:

Y values are the same so just find the difference in -4 and 4

7 0

4 years ago

Simplify: 10 10−2 <br> A) 100 <br> B) 1000 <br> C) 1 102 <br> D) 1 103

Pie

Answer:

100

Step-by-step explanation:

10x10=100

7 0

3 years ago

Read 2 more answers

Graph the equation.<br>2y-9= -2 please show work

Ivan

Answer:5.5

Step-by-step explanation:

2y-9=-2

+9 +9

2y/2 = 11/2

5.5

7 0

3 years ago