3 years ago

Which is the endpoint of a ray? Opoint R O points Opoint T O point U

Mathematics

1 answer:

mr Goodwill [35]3 years ago

5 0

The point where the ray starts is called (confusingly) the endpoint

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9. Find the dimensions of the 4 triangular faces of the pyramid. (Height is 55.5 ft)

Minchanka [31]

Answer:

$Q=\frac{\pi}{2}*55.5ft=87.18ft\\P=87.18ft*\sqrt{\frac{1}{2}+\frac{16}{\pi ^{2}}}=87.18*0.9515=82.95ft\\$

Step-by-step explanation:

We have a 4-sided triangular pyramid , where

$Q=\frac{\pi}{2}*H\\P=Q*\sqrt{\frac{1}{2}+\frac{4}{\pi ^{2}}}\\Q=\frac{\pi}{2}*55.5ft=87.18ft\\P=87.18ft*\sqrt{\frac{1}{2}+\frac{16}{\pi ^{2}}}=87.18*0.9515=82.95ft\\$

3 0

3 years ago

The sum of 4 times a number and -2 is equal to the sum of 5 times the number and -2. Find the number

MArishka [77]

4n(-2)=(5)(-2)
-8n=-10
—— —-
-8 -8

n= 5/4
n= 1 1/4

So the final answer is n= 1.25

6 0

3 years ago

Lacey runs a stable that boards a range of horses.

BartSMP [9]

Answer:

Step-by-step explanation:

8 out of 20 horses are brown

8/20

2/5

2/5 * 15 = 6

6 horses should be brown out of 15

6 0

2 years ago

34=2x+8(x+3) Help me solve please?

sveta [45]

34 = 2x +8x + 8(3)
34 = 2x + 8x + 24
34 = 10x + 24
10 = 10x

x = 1

6 0

3 years ago

Find the slope of each line.

Arisa [49]

Answer:

(X1,Y1)=(8,4)

(X2,Y2)=(1,2)

m=(Y2-Y1)/(X2-X1)

m=(2-4)/1-8)= -2/-7

=2/7

Ans B

5 0

3 years ago