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vichka [17]
3 years ago
7

What is the circumference of a circle if the radius is 7 meters

Mathematics
1 answer:
patriot [66]3 years ago
5 0

Answer:

i think its 43.98m

Step-by-step explanation:

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In the figure below, what is the length of AD?
maksim [4K]
Find the inside angle B of the smaller triangle using the base (4) and height (6)
smaller part of B =  arctan(4/6) = 33.69 degrees
 full B = 90 degrees - smaller B gives you the other part of B for the left hand side

so 90 - 33.69 = 56.31

now AD =  6 x tan(56.31) = 9 feet
 answer is G





5 0
3 years ago
What is PR?<br><br> A. 1 7/8 cm<br> B. 10 cm<br> C. 13 1/3 cm<br> D. 15 cm
Bess [88]

Answer:

you answer should be b

Step-by-step explanation:

I am not 100% sure

8 0
3 years ago
Read 2 more answers
Ermias and Jeremiah both leave the bookstore at the same time, but in opposite directions. If Jeremiah travels 8 mph faster than
leva [86]

Using proportions, it is found that Ermias is traveling at a rate of 11 mph and Jeremiah at a rate of 19 mph.

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

Jeremiah travels 8 mph faster than Ermias, hence their velocities are:

x, x + 8

They travel in opposite directions, hence in one hour they are 2x + 8 apart.

In eight hours, the distance is 8(2x + 8), which is of 240 miles, hence:

8(2x +8) = 240

2x + 8 = 30

2x = 22

x = 11.

Then:

  • x = 11 -> Ermias.
  • x = 11 + 8 = 19 -> Jeremiah.

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

3 0
1 year ago
PLEASE HELP MEEE ASAP
lys-0071 [83]

Step-by-step explanation:

first of all, g(x) has only negative functional result values (y) except for 0.

and a square is always positive.

so, the only possible right answers are the ones that include a minus ("-") sign.

the graph shows us that g(x) goes through the points (1, -3) and (-1, -3).

so, which equation turns an x = 1 into an y = -3 ?

therefore, the right answer must be D.

g(x) = -3x²

it works for both points :

-3 = -3×1² = -3 correct

-3 = -3×(-1)² = -3×1 = -3 correct

8 0
3 years ago
Evaluate the expression when g=3 and h= 39.<br> h-69<br> L<br> B.<br> X6<br> ?
lawyer [7]
Answer:
39-18 is 21.
Explanation:
3 0
2 years ago
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