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3 years ago

9

Brad wants to open new savings account. He finds one that returns 3% on his investment each year. Use variables to write a formu

la for the balance after 3 years

1 answer:

yawa3891 [41]3 years ago

5 0

Use the formula p=rt. principle equal rate times time.
I hope this helped you out

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What value for C will make the expression a perfect square trinomial x2-7x+c

Tom [10]

Answer:

The value of c is 12.25

Step-by-step explanation:

we know that

A perfect square trinomial is of the form

$(x-a)^{2}=x^{2}-2ax+a^{2}$

In this problem we have

$x^{2}-7x+c$

so

equate the equations

$x^{2}-7x+c=x^{2}-2ax+a^{2}$

we have

the following equations

$-7x=-2ax$ -----> equation A

and

$c=a^{2}$ -----> equation B

<u>Solve the equation A</u>

$-7x=-2ax$

$7=2a$

$a=3.5$

<u>Solve the equation B</u>

$c=a^{2}$

$c=3.5^{2}=12.25$

therefore

$(x-3.5)^{2}=x^{2}-7x+12.25$

The value of c is 12.25

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3 years ago

Read 2 more answers

Help!! Which operation should be used to solve <br> X/3= 15? <br> A= ÷3<br> B= -3<br> C=+3<br> D=x3

Lera25 [3.4K]

Answer: D: X3

Step-by-step explanation:

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3 years ago

Ali was swimming along the bottom of his backyard pool at a depth of 6 feet then he pushed off the bottom and rose 4 feet what i

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Answer:

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Step-by-step explanation:

Given that :

Alli's Initial depth = 6 feets

Number of feets in which Alli rose = 4 feets

Alli's new position relative to the surface of the pool:

Difference of Alli's initial depth and feets risen :

6 feets - 4 feets = 2 feets

Hence, Alli is now 2 feets below the surface of the pool.

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Answer: -1

3 + (-4) = -1

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Aloiza [94]

It would be b because if you take 10 and shusbejsjdhebe

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