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jok3333 [9.3K]
3 years ago
9

Which choice best represents the area of a circle with a diameter of 16 cm. Use ≈3.14

Mathematics
1 answer:
eimsori [14]3 years ago
5 0

Answer:

200.96 centimeters squared

Step-by-step explanation:

16 / 2 = 8

3.14 x 8 x 8

Since the formula is 3.14r^2, you have to divide the diameter into 2 raidiuses to get the circle area.

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The perimeter of a square must be less than 160 feet.What is the maximum length of a side in feet?
Drupady [299]
40 because you divide 160 by 4 because there are 4 sides on a square
8 0
4 years ago
Read 2 more answers
Help me understand this problem please
slavikrds [6]

Answer: 49

==============================================

Explanation:

HI is parallel to KL, so this means that the two triangles can be proven similar through the AA (angle angle) similarity theorem.

Consequently, that means we can set up the proportion below

JH/JK = HI/KL

noticed how the left slant sides JH and JK pair up together on one side; the horizontal sides HI and KL pair up on the other side. I have the larger triangle's side lengths as the numerator for each side

Plug in the given values. Solve for HI

JH/JK = HI/KL

35/15 = HI/21

7/3 = HI/21

21*7 = 3*HI

3*HI = 147

HI = 147/3

HI = 49

This means that 35/15 = HI/21 turns into 35/15 = 49/21

Note: to check the answer that the last equation mentioned is true, we can subtract the fraction 49/21 from both sides to end up with 35/15 - 49/21 = 0. If you type "35/15 - 49/21" into your calculator, you should get 0, which will help confirm we have the right answer.

8 0
3 years ago
Need to know if I got the correct answer for #29. If it’s wrong can you help me solve it please and thank you.
Pie

Answer:

-x² -2x -5 -12/(x-2)

Step-by-step explanation:

The attachment shows the synthetic division. You can find the remainder by evaluating the dividend for x=2:

-2³ -2 -2 = -12 . . . . matches the above answer, not [A] or [C] shown

_____

You can always multiply out your answer to see if it matches the problem.

(-x^2 -2x +3)(x -2) +3 = -x^3 +7x -3 . . . . not the dividend you started with

6 0
4 years ago
A machining company needs to manufacture more than 20 fixtures in a day. The company uses five identical machines to make the fi
nikklg [1K]

Answer:

A. 5x>20

Step-by-step explanation:

Because the company has to produce more than 20 fixtures you need  greater than 20 and you have 5 machines time the number they produce.

Hope this helps, if it does please mark brainliest!!

3 0
3 years ago
Question 15
stiks02 [169]

Answer:

The figure shown is rhombus.

3 0
3 years ago
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