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Ulleksa [173]
3 years ago
12

Plz help will mark brainlest

Mathematics
2 answers:
faltersainse [42]3 years ago
8 0

Answer:

81pi meter squared

Allisa [31]3 years ago
8 0

Answer:

81π m²

Step-by-step explanation:

Formula: C=2πr

The circumference of the column is 18π meters so therefore: 18π=2πr

Divide the both sides by 2π:

r= 9 meters

Now find the area:

Formula for Area: A=πr²

Therefore: A= π · 9² = 81π meters²

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If the perimeter of this quadrilateral (2ft 13ft 15in this is the quadrilateral) is 79 inches, what is the measure of the missin
kumpel [21]

Answer:

The missing side length is 27 in

Step-by-step explanation:

see the attached figure

we know that

1 ft= 12 in

step 1

Convert ft to in

2 ft=2*12=24 in

Note ----> the given measure is 13 in instead of 13 ft

step 2

Find the missing side length

The perimeter of a quadrilateral is the sum of its four side lengths

Let

x------> the missing side length

P=x+24+13+15

P=79 in

so

79=x+24+13+15

x=79-52=27 in

The missing side length is 27 in

7 0
4 years ago
Write a positive or negative integer that represents the situation.
Harrizon [31]

Answer:

-42

Step-by-step explanation:

If you withdraw an amount, it means that you are taking it out. On the other hand, if you were to deposit an amount, you are putting money in. Taking something out means that you have less of it, so -42 would be the answer. If you were to deposit an amount, the answer would be +42 since you are adding it in.

3 0
3 years ago
HELP!! im takingv an exam for math. these are all different questions but pics 3 and four are the same. TIA!
Aneli [31]

Answer:

c

Step-by-step explanation:

6 0
3 years ago
Find the inverse of the function: f(x)= 2x-3/x+1
den301095 [7]
f(x)=\frac{2x-3}{x+1}\\\\
y=\frac{2x-3}{x+1}\\\\
y(x+1)=2x-3\\\\yx+y=2x-3\\\\yx-2x=-3-y\\\\x(y-2)=-3-y\\\\
x=\frac{-3-y}{y-2}\\\\
f(x)=\frac{-3-y}{y-2}
3 0
3 years ago
1. Find the median of the following data : <br> 1) 3,1,5,6,3,4,5 <br> 2) 3,1,5,6,3,4,5,6
juin [17]

Answer:

a ) The first step -  arrange them in ascending or descending.

1,3,3,4,5,5,6

then median is to find the middle so -

the middle of this is "<u>4</u>" (there are odd numbers of numbers)

b) the first step- -  arrange them in ascending or descending.

1,3,3,4,4,4,6,6

then median is to find the middle so -

here the middle is 4 and 4 ( there are even numbers of numbers)

so you find average -

4+4/2 = <u>4 </u>

<u />

<u>these are the answers I guess. </u>

6 0
3 years ago
Read 2 more answers
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