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CaHeK987 [17]
3 years ago
11

Which of the following is always true about Vertical Angles?

Mathematics
1 answer:
Paul [167]3 years ago
7 0
Vertical angle are always congruent
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In 2013 number of students in a small school is 284.it is estimated that student population will increase by 4 percent
BaLLatris [955]

The situation can be modeled by a geometric sequence with an initial term of 284. The student population will be 104% of the prior year, so the common ratio is 1.04.

Let \displaystyle PP be the student population and \displaystyle nn be the number of years after 2013. Using the explicit formula for a geometric sequence we get

{P}_{n} =284\cdot {1.04}^{n}P

n

=284⋅1.04

n

We can find the number of years since 2013 by subtracting.

\displaystyle 2020 - 2013=72020−2013=7

We are looking for the population after 7 years. We can substitute 7 for \displaystyle nn to estimate the population in 2020.

\displaystyle {P}_{7}=284\cdot {1.04}^{7}\approx 374P

7

=284⋅1.04

7

≈374

The student population will be about 374 in 2020.

5 0
3 years ago
Two times the sum of a number and 8 is 20 what is the number
Andre45 [30]

Answer:

n=2

2(n+8)=20

2n+16=20

-16  -16

<u>2n=4</u>

2    2

n= 2

There u go love

Step-by-step explanation:

7 0
2 years ago
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Sonia uses $12.50 to buy a new journal. She has $34.25 left in her savings account. How much money did Sonia have before she bou
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So all you have to do to find out how much she had before is add up both value 12.50+34.25=   46.75$ (answer)

because y-12.50=34.25 so you would have to had the 12.5 to the other side to find the value of Y
3 0
3 years ago
HELP IMMEDIATELY!! ATTACHMENT<br>I'm not sure on how to find the y intercept please help! thanks
Yuliya22 [10]

well if you can find the slope then choose one of your ordered pair and plug them in tot he corresponding variable. since you don't know what the y intercept you basically find x which will be the y int.

8 0
3 years ago
Find the volume of the region enclosed by z=1-y^2 and z=y^2-1 for 0&lt;=x&lt;=54
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We are given the bounds of x so after calculation
144 is the answer
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