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Mkey [24]
3 years ago
13

At the beginning of 2012 Jacob's saving account had $675.20. He deposited $40 each month and earned $66.50 interest for the year

What was the percent of increase for Jacob's saving account at the end of the year to he nearest whole percent
A.) 37%
B.) 45%
C.) 55%
D.) 81%
Mathematics
1 answer:
meriva3 years ago
5 0
Not sure but i think it’s B
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There are four boys and 8 girls on the debate team. the coach randomly chooses 3 of the students to participate in a competition
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<span>the probability the coach selects all girls is m</span>ost likely 
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3 years ago
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Nataly_w [17]
The answer would be A
8 0
3 years ago
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Eric wants to get an output of 0. Can he do this with each machine? If so, how? If not, why not?
natita [175]

Answer:

  • <u>No, he can get an output of 0 with the second machine (function B) but he cannot get an output of 0 with the first machine (function A).</u>

Explanation

The way each machine works is given by the expression (function) inside it.

<u>1)  </u><em><u>Function A</u></em>

To get an output of 0 with the function y = x² + 3, you must solve the equation x² + 3 = 0.

Since x² is zero or positive for any real number, x² + 3 will never be less than 3 (the minimum value of x² + 3 is 3). So, it is not possible to get an output of 0 with the first machine.

<u>2) </u><em><u>Function B</u></em>

Solve y=\sqrt{x}-2=0

  • \sqrt{x}-2=0

  • \sqrt{x} =2

  • x=2^{2}

  • x=4

So, he can get an output of 0 by using x = 4.

4 0
2 years ago
Plz help due tomorrow
sp2606 [1]

Answer:

21y^2+11.2

Step-by-step explanation:

4-3y(-7y)+7.2

combine like terms

-3y (-7y) = 21y^2

add 4 to 7.2

11.2

21y^2 + 11.2

8 0
2 years ago
A Number is divided by 3. Then ,5 is added to the quotient snd the results is 8 what is the number
zheka24 [161]
Answer:

n=9

Explanation:

First, let's give a name to the number we are looking for and call it n.

So we can then write "A number is divided by 3" as n3

To add 5 to the quotient would then give us the expression n3+5

If this results in 8 we can finally write the equation we are trying to solve and solve the equation for n while keeping the equation balanced:

n3+5=8

n3+5−5=8−5

n3+0=3

n3=3

3⋅n3=3⋅3

1n=9

n=9

4 0
3 years ago
Read 2 more answers
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