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2 years ago

9

There are 25 desks in a classroom. Each desktop is the same as the one shown below. What is the total area of all of the desktop

s?

1 answer:

konstantin123 [22]2 years ago

3 0

Step-by-step explanation:

we need the area of one desktop.. if we have it we can multiply the area by 25... that will be the answer...

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Point M is located at (-2,7). If point N is 10 units away from point M, how many possible cordinate pairs

natulia [17]

Answer:

2 possible coordinate pairs

N (8, 17) OR (-12, -3)

Step-by-step explanation:

The rule:

(x, y) => (x + 10, y + 10) OR (x - 10, y -10)

(-2 + 10, 7 + 10) OR (-2 - 10, 7 -10)

(8, 17) OR (-12, -3)

Hope this helps!

6 0

2 years ago

Type the correct answer in each box.

Mariulka [41]

Answer:

$(x-5)^2+(y+4)^2=100$

Step-by-step explanation:

step 1

Find the radius of the circle

we know that

The distance between the center and any point that lie on the circle is equal to the radius

we have the points

(5,-4) and (-3,2)

the formula to calculate the distance between two points is equal to

$d=\sqrt{(y2-y1)^{2}+(x2-x1)^{2}}$

substitute the values

$r=\sqrt{(2+4)^{2}+(-3-5)^{2}}$

$r=\sqrt{(6)^{2}+(-8)^{2}}$

$r=\sqrt{100}\ units$

$r=10\ units$

step 2

Find the equation of the circle

we know that

The equation of a circle in standard form is equal to

$(x-h)^2+(y-k)^2=r^2$

where

(h,k) is the center

r is the radius

we have

$(h,k)=(5,-4)\\r=10\ units$

substitute

$(x-5)^2+(y+4)^2=10^2$

$(x-5)^2+(y+4)^2=100$

6 0

3 years ago

Quadrilateral ABCD with vertices A(-4, 1), B(-2,3), C(0,-2), and D(-5,-2) Give the coordinates of the image if k=3.

borishaifa [10]

If you're using a coordinate plane, I think it makes a trapezoid

3 0

2 years ago

Plese help me thank you!

lilavasa [31]

Answer:

y=2x

Step-by-step explanation:

Every y value is double the x value on top.

y=6:
6 = 3 × ?

? = 2

y=10:

10 = 5 × ?

? = 2

And so on....

So the equation that represents this data is :

y=2x

8 0

2 years ago

A kennel in Akron charges $9 a night for dogs and $6 a night for cats. Write an expression that can be used to find the total of

77julia77 [94]

Answer:

90

Step-by-step explanation: 9 + 6 = 15

So, then you would multiply 15 x 6 which equals 90

6 0

3 years ago

Read 2 more answers