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Allushta [10]
4 years ago
13

Brainielst!! Last 3 questions please!

Mathematics
1 answer:
mariarad [96]4 years ago
5 0
Hello There!

Surface area of a sphere formula:
4πr²
SA = 4π14.21²
SA = 2537.5mm³

Surface area of a cone formula:
1/3πr²5
SA = 1/3π3²15.1
SA = 142.3in³

Pyramid:
SA = 124.3

Hope This Helps You!
Good Luck :) 

- Hannah ❤ 

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PLEASE HELP ME ASAP! ANYONE THATS WILLING TO GIVE THE RIGHT ANSWER.
pantera1 [17]

Answer:

<em>The perimeter of the bedroom floor is 44 ft</em>

Step-by-step explanation:

<u>The Perimeter of a Rectangle</u>

Given a rectangle of width W and length L, the perimeter is the sum of all four sides:

P = 2W + 2L

We know a rug of dimensions 6 ft x 10 ft is located at the center of a bedroom floor and there are 1.5 ft exposed on all four sides of the bedroom.

Adding this length to each side, we have the dimensions of the bedroom as:

6 + 1.5 + 1.5 = 9 ft

10 + 1.5 + 1.5 = 13 ft

Thus, the perimeter of the bedroom floor is:

P = 2*9 + 2*13 = 44 ft

The perimeter of the bedroom floor is 44 ft

6 0
3 years ago
Help me solve this problem
soldier1979 [14.2K]

Answer: -2x+1

Step-by-step explanation:

Slope formula. -3-3/2- -1 = -6/3=-2=m

Y=mx+b use(-1,3) -1=x 3=y

3=-2(-1)+b

3=2+b

Subtract 2

1=b

5 0
3 years ago
A coin is tossed 10 times resulting in 7 heads and 3 tails. The same coin is tossed 1000 times resulting in 510 heads and 490 ta
KiRa [710]
The answer is <span>C. 50%.

The theoretical probability has nothing to do with the experiments. So, we will forget results of the experiment and think about theoretical probability. A coin has two sides - head and tail. The probability to get head is 1/2 = 0.5 = 50%. This is because if you toss the coin and you get head, head is one probability of two probability in total (head and tail). The same situation is with tail. Tail is .</span><span>one probability of two probability in total (head and tail).</span>
8 0
3 years ago
First, if the altitude drawn to the hypotenuse of a right triangle divides the hypotenuse into two segments with lengths of 9 in
Serhud [2]
A right triangle base in your question, its hypotenuse is divided in to two line segment by a line of altitude and those segment are measured as 9 inches and 17 inches, so base on my calculation the exact length of the altitude is 3*sqrt(17)
8 0
3 years ago
Pleasee helpp
max2010maxim [7]

Answer:

the answer is D because "difference" is a key word for subtraction

Step-by-step explanation:

8 0
3 years ago
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