2 years ago

The endpoint of two rays forming an angle is called what?

Mathematics

2 answers:

schepotkina [342]2 years ago

8 0

Answer:

vertex

Step-by-step explanation:

konstantin123 [22]2 years ago

6 0

Answer:

vertex

Step-by-step explanation:

vertex

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2. Find the value of the expression 21 – 2a if a = 3.

timama [110]

Answer:

Step-by-step explanation:

we just substitute the value of "a" given in the above expression we get

21-2(3)

21-6=15

7 0

2 years ago

Read 2 more answers

Whats is 1+1+3+7+8+33542

Murljashka [212]

Answer:

33562, You could have used a calculator, or used your head, why

Step-by-step explanation:

7 0

3 years ago

in 1990 there were about 5.4 billion people in the world. if the population has been growing at 1.95% per year, estimate the yea

kompoz [17]

Answer:

2011

Step-by-step explanation:

Here is the formula.

$A=P(1+r)^{n}$

A = Final Value

P = Starting Value

R = Rate

N = Time in Years

A = 8,000,000,000

P = 5,400,000,000

R = 0.0195

N = Time in Years

Solve for n.

20.35 Years from 1990; so sometime in 2011 the population would be 8 billion.

6 0

2 years ago

How many pieces of tape 5mm long can be cut from a piece 15cm long ?

hram777 [196]

Answer: The answer is 17 pieces is the answer..

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Step-by-step explanation:

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2 years ago

The manufacturer of a certain brand of aluminum foil claims that the amount of foil on each roll follows a Normal distribution w

natali 33 [55]

Answer: 0.4207

Step-by-step explanation:

Let $\overline{x}$ be the sample mean area.

Given: Population mean : $\mu=250$ sq. feet

Standard deviation: $\sigma=2$ sq. feet

Sample size : n= 10

The probability that the sample mean area is $249.6 \text{ ft}^2$ or less if the manufacturer’s claim is true.

$P(\overline{x}$

Required probability = 0.4207

5 0

3 years ago