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2 years ago

12

Please i need help its for a grade

1 answer:

horsena [70]2 years ago

8 0

The answer is 25 and make sure it’s correct

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Which polynomial function has a leading coefficient of3 and roots -4, i, and 2, all with multiplicity 1?

andreyandreev [35.5K]

Answer:

Step-by-step explanation:

f(x) = 3(x + 4)(x – i)(x + i)(x – 2)

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2 years ago

Brett tallies up the transactions in his check register and comes up with a total balance of $248.53, but his bank statement say

Veseljchak [2.6K]

I'm 100% sure the answer is d. II and IV

because $257.72 - $248.53 = $9.19

and $73.98 - $64.79 - 9.19

i hope this helps :)

7 0

2 years ago

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Ian borrows $3580 at 31% simple interest per year. When Ian pays the loan back 7 years later, how much interest does Ian pay?

trapecia [35]

Answer:

$1,109.80

Step-by-step explanation:

$3580 times 31% = 1,109.80+ 3580 = $4,689.80

5 0

2 years ago

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Dane started running at half past three in the afternoon. He stopped running at ten minutes after four. How long did Dane run?

Tatiana [17]

He ran for 40 minutes!

4 0

2 years ago

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What is the equation, in standard form, of a parabola that models the values in the table?

love history [14]

Answer:

<u> $Y=4x^2+3x-6$ </u>

Step-by-step explanation:

For the standard form equation to model the values in the table, each value of x in the table should give the matching the y value when substituted into the equation. We will test each equation:

<u> $Y=3x^2+4x-6$ for (-2,4)</u>

$Y=3(-2)^2+4(-2)-6=3(4)+-8-6=12+-8-6=-2\\$

This does not give 4 as the answer and is not a solution.

<u> $Y=4x^2+3x-6$ for (-2,4)</u>

$Y=4(-2)^2+3(-2)-6=4(4)+-6-6=16+-6-6=-4\\$

This does give 4 as the answer and is a possible solution.

<u> $Y=4x^2-3x-6$ for (-2,4)</u>

$Y=4(-2)^2-3(-2)-6=4(4)+6-6=16+6-6=16\\$

This does not give 4 as the answer and is not a solution.

<u> $Y=-4x^2-3x-6$ for (-2,4)</u>

$Y=-4(-2)^2-3(-2)-6=-4(4)+6-6=-16+6-6=-16\\$

This does not give 4 as the answer and is not a solution.

The only possible solution is <u> $Y=4x^2+3x-6$ </u>

3 0

2 years ago