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Maksim231197 [3]
3 years ago
8

MARKING BRAINLIEST!!! PLSS HELP ASAPP!! Plz show all work!!!

Mathematics
2 answers:
kherson [118]3 years ago
8 0

Step-by-step explanation:

Multiply 10 by 10, then find the area of the circle (78.54) then subtract, 100-78.54= 21.46. Then round. So its A. 21.5 meters squared

Alecsey [184]3 years ago
6 0

Answer:

A

Step-by-step explanation:

the area of square is 10²=100

Area of a circle is πr²=π(10/2)²=25π

100-25π=100-25*3.14=100-78.5=21.5

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8. Solve for x. Round your answer to the nearest tenth.<br> 8.6<br> 4<br> x<br> 0176
earnstyle [38]

Answer:

C. 9.5

Step-by-step explanation:

The Pythagorean Theorem: a^2 + b^2 = c^2.

4^2 + 8.6^2 = c^2

16 + 73.96 = c^2

c^2 = 89.96

c = 9.4847....

8 0
3 years ago
If the diameter of a circle is 20mm, what is the area of the circle?
Vsevolod [243]

Answer:

314.16 sq mm

Step-by-step explanation:

formula for area of a circle = pi(r^2)

if the diameter is 20mm then the radius is 10 mm

When you plug in pi(10mm^2) you get 314.16 sq mm

3 0
4 years ago
What is the value of x if e3x+6=8
goldfiish [28.3K]

Answer:

x = 1/3 ln(2)

Step-by-step explanation:

e^(3x)+6=8

Subtract 6 from each side

e^(3x)+6-6=8-6

e^(3x) = 2

Take the natural log of each side

ln (e ^3x) = ln (2)

3x = ln(2)

Divide by 3

3x/3 = 1/3 ln(2)

x = 1/3 ln(2)

4 0
3 years ago
Read 2 more answers
7^14 ÷ 7^2<br> I-ready btw
Lyrx [107]

Answer:

7^12

Step-by-step explanation:

7^14

-----------

7^2

When we divide with the same base, we subtract the exponents

7^(14-2)

7^12

5 0
3 years ago
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If m 1 = 40, find the measure of 7
TEA [102]
M 7=280. you just multiply 7 by 40 to get your answer. i am pretty sure.
5 0
3 years ago
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