2 years ago

What are the angles in degreees

Mathematics

1 answer:

ra1l [238]2 years ago

7 0

Answer: A is 70 B is 45 and C is 50

Step-by-step explanation:

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Complete the table of equivalent ratios. 3:2 <br>?:4<br>9:6<br>12:8<br>15:10

Vera_Pavlovna [14]

Answer:

6:4

Step-by-step explanation:

well on one side your adding 3 to the next ratio

so on the other side your doing the same of adding 2 to the next ratio

also they all reduce down to 3:2

6 0

3 years ago

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PLZ HELP QUICK I NEED TO TURN THIS IN ;Twice a number is fourteen. Write and solve an equation to nd the number of miles that mu

LuckyWell [14K]

2n=14 n being the “number” divide 2 on both sides and you’re left w n=14/2 or7

5 0

3 years ago

Plz help and show how you did the math question

Nikitich [7]

Answer:

$x = - 3$

$y = - 2$

Step-by-step explanation:

Since y=x+1 plug it into bottom equation as y.

$x + 1= 5x + 13$

Subtract 1 from both sides

$x = 5x + 12$

Subtract 5x from both sides

$- 4x = 12$

Divide both sides by -4

$x = - 3$

Now x=-3 into the top equation to find y

$- 3 + 1 = - 2$

y=-2

8 0

3 years ago

Which expression is equal to p + (q + r)?

Verdich [7]

The answer is letter B.

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3 years ago

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The world's population has grown at an average rate of 1.9 percent per year since 1945. There were approximately 4 billion peopl

kkurt [141]

Answer: $f(t) = 4000000000( 1 .019)^t$

Step-by-step explanation:

Here, According to the question, The population of the world is 4 billion (approx).

Again According to the question, The world's population has grown at an average rate of 1.9 percent per year since 1945.

Therefore, after 1975 the growth rate will remains same.

Thus, the population of the world after t years,

$f(t) = 4000000000( 1+\frac{1.9}{100} )^t$ (By the formula $A = P(1+\frac{r}{100})^t$ )

⇒ $f(t) = 4000000000( 1.019 )^t$

Where 1.019 is the growth rate and 4 billion is the initial population.

6 0

3 years ago