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Lena [83]
3 years ago
9

What value should be added to the expression to create a perfect square?

Mathematics
1 answer:
Lilit [14]3 years ago
8 0
Answer is D.Don't take out the square

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On a coordinate plane, 2 lines are shown. Line C D has points (negative 2, 4) and (0, negative 4). Line F G has points (negative
Mkey [24]

Answer:

They are perpendicular because their slopes are equal

Step-by-step explanation:

just took the test

9 0
2 years ago
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A car drove 24 miles in 0.2 hours. How fast is the car going in miles per hour?
kvasek [131]
The answer is 120

Explication: 0.2 x 5 = 1 so since you multiplied 5 on one part you have to do it to the other and that gets you 120 miles per hour
3 0
3 years ago
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The first Ferris wheel was built in 1893 in Chicago. It's diameter was 250 feet. How many feel did the Ferris wheel rotate with
rosijanka [135]

The wheel covered 785 feet in one complete turn

<em><u>Solution:</u></em>

Given that, The first Ferris wheel was built in 1893 in Chicago

Diameter of wheel = 250 feet

<em><u>Let us find the radius of wheel</u></em>

Radius = \frac{diameter}{2}\\\\Radius = \frac{250}{2}\\\\Radius = 125

Thus radius of wheel is 125 feet

We have to find the distance covered in one complete turn

The number of feet the wheel rotated in one turn is equal to its circumference

<em><u>The circumference of circle is given as:</u></em>

C = 2 \pi r

Where, "r" is the radius and \pi is a constant equal to 3.14

<em><u>Substituting the values we get,</u></em>

C = 2 \times 3.14 \times 125\\\\C = 785

Thus the wheel covered 785 feet in one complete turn

6 0
3 years ago
PLSSS HELP IF YOU TURLY KNOW THISS
GarryVolchara [31]

Hey there!

Use this formula:

a^{-b} =\frac{1}{a^{b} }

Remember this formula.

Now, let's solve the given problem.

5^{-9} =\frac{1}{5^{9} }

Hope this helps you!

~Just a joyful teen

SilentNature

Hope this helps and have a fantabulous day! :)

5 0
2 years ago
Point a(10,9) and point b(-2,3). What are the coordinates of the point of the way from a to b?
Tasya [4]

Answer:.

....

Step-by-step explanation:

8 0
3 years ago
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