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Vitek1552 [10]
2 years ago
9

Which statements are true for the following expression? (9 + 1) · 5

Mathematics
1 answer:
kvasek [131]2 years ago
3 0

Answer:

50

Step-by-step explanation:

add

9 + 1 = 10

multiply

10 * 5 = 50

Answer: 50

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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.

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3 years ago
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Answer:

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Step-by-step explanation:

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3 years ago
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Karo-lina-s [1.5K]

Answer:

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Step-by-step explanation:

first take -2 to the fifth power (-32) , after that take -2 to the second power (4) and then take -2 to the third power (-8). Subtract -32 and 4, then add -8 and you get your answer.

7 0
3 years ago
Of the original 56 signers of the declaration of independence four of them are present in North Carolina if you selected one sig
kari74 [83]
The chance of you selecting one randomly is 4/56, which simplifies to 1/14.
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56% of 860 can anyone help please?
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3 years ago
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