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Alex Ar [27]
3 years ago
15

Answer ASAP for BRAINLIEST (NO LINKS OR I REPORT)

Mathematics
2 answers:
Westkost [7]3 years ago
8 0

Answer:

radius = 3 feet

Step-by-step explanation:

V = 1/3πr²h

15π = 1/3πr²·5

you can divide each side by 5π to get:

3 = r²/3

r² = 9

r = \sqrt{9} which is 3

Vlad [161]3 years ago
5 0

Answer:

3

Step-by-step explanation:

((r^2)h\pi )/3=volume of a cone

15\pi =((r^2)h\pi )/3

they say that the height is 5 so insert 5 for h

15\pi =\frac{r^2(5)\pi } {3}

solve for r

multiply both sides by 3

45\pi =r^25\pi

divide both sides by 5

9\pi =r^2\pi

r=3

Hope that helps :)

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The sum of a number, n, and a number 5 larger than it is 41.
lina2011 [118]

Answer:

36

Step-by-step explanation:

If you set the equation up, it would be n + 5 = 41. If you subtract the 5 from both sides to get n by itself, you get n = 36.

8 0
3 years ago
Anyone else having issues with brainly?
katrin2010 [14]
No not really. I’m not having issues with Brainly.
4 0
3 years ago
The perimeter of a rectangle is given by the formula P=2l+2w, where l represents the length and w represents the width. What is
Alex73 [517]

Answer:

Replace l with 110 and w with 120

P = 2(110) + 2(120)

P = 220 + 240

P = 460 feet

8 0
3 years ago
What is hundred-seventy as a fraction.
exis [7]
Hello,

To write 170 as a fraction ,you have to write 170 as the numerator and put it over 1 for the denominator.

After that, you now multiply numerator and denominator by 10.

170 = 170/1 (x 10) = 1700/10

The answer then is:
170 as a fraction<span> equals </span><span>1700/10
</span>
Hope this helps.

May
7 0
3 years ago
100 POINTS PLEASE HELP ME I BEG 100 POINTS
Marrrta [24]

Answer:

see explanation

Step-by-step explanation:

(1)

Since FE = FG the triangle is isosceles with ∠ E = ∠ G, then

∠ E = \frac{180-106}{2} = \frac{74}{2} = 37°

(2)

Since all 3 sides are congruent then triangle is equilateral with the 3 angles being congruent, 60° each , then

12y = 60 ( divide both sides by 12 )

y = 5

(3)

The 3 angles are congruent then triangle is equilateral with the 3 sides being congruent, then

KL = JL , that is

4t - 8 = 2t + 1 ( subtract 2t from both sides )

2t - 8 = 1 ( add 8 to both sides )

2t = 9 ( divide both sides by 2 )

t = 4.5

(4)

Given ∠ B = ∠ C then triangle is isosceles with 2 legs being congruent , that is

AB = AC

4x + 1 = 9 ( subtract 1 from both sides )

4x = 8 ( divide both sides by 4 )

x = 2

Then

perimeter = AB + BC + AC = 4x + 1 + 2x + 3 + 9

                                            = 6x + 13

                                            = 6(2) + 13

                                            = 12 + 13

                                            = 25

7 0
2 years ago
Read 2 more answers
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