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jeka57 [31]
4 years ago
9

Please help me with 5 with correct answer and try showing work if can

Mathematics
2 answers:
STALIN [3.7K]4 years ago
4 0
The answer would be A. -$16.25. It's negative because that's what Paul owes his dad. You add 10.75 and 5.50 and just turn it negative.
finlep [7]4 years ago
3 0
Its b $10.75+$5.50=$15.25 in debt
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Amy paid $58.87 for a pair of running shoes during a 40%-off sale. What was the regular price?
Scorpion4ik [409]

Answer:

Answer: 98.12

Step-by-step explanation:

= 58.87 / 1 - 0.40

= 58.87 / 0.6

= 98.12

8 0
2 years ago
Which polynomial is prime?
finlep [7]

we know that

If the only factors a polynomial are 1 and itself, then that polynomial is prime.

so

If the polynomial has at least one root (one x-intercept) then the polynomial is not prime

Using a graph tool

<u>case 1) </u>

x^{3}+ 3x^{2} + 2x+ 6

see the attached figure N 1

The polynomial has one root-------> the polynomial is not prime

<u>case 2) </u>

x^{3} + 3x^{2} - 2x - 6

see the attached figure N 2

The polynomial has three roots-------> the polynomial is not prime

<u>case 3) </u>

10x^{2}-4x+3x + 6

10x^{2} -x + 6

see the attached figure N 3

The polynomial has zero roots-------> the polynomial is  prime

<u>case 4)</u>

10x^{2}-10x+6x - 6

10x^{2} -4x - 6

see the attached figure N 4

The polynomial has two roots-------> the polynomial is not prime

therefore

<u>the answer is</u>

10x^{2}-4x+3x + 6 ------> is prime

8 0
3 years ago
Read 2 more answers
I need help ASAP! 20 point
topjm [15]

Answer:

A)  y = 6x + 8

Step-by-step explanation:

4 0
3 years ago
What is the following simplified product? Assume
Yanka [14]

<u>Answer:</u>

The correct answer option is D. 10x^4\sqrt{6}+x^3\sqrt{30x}-10x^4\sqrt{3}-x^3\sqrt{15x}.

<u>Step-by-step explanation:</u>

We are given the following expression:

\left ( \sqrt { 10 x ^ 4 } -x \sqrt { 5 x ^ 2 } \right ) \left ( 2 \sqrt { 15 x ^ 4 } + \sqrt { 3 x ^ 3 } \right )

Assuming that x\geq 0, we are to find its simplified product.

\left ( \sqrt { 10 x ^ 4 } -x \sqrt { 5 x ^ 2 } \right ) \left ( 2 \sqrt { 15 x ^ 4 } + \sqrt { 3 x ^ 3 } \right )

\\\\ = 2 \sqrt { 150 x ^ 8 } + \sqrt { 3 0 x ^ 7 }-2x\sqrt{75x^6}-x\sqrt{15x^5} \\\\ =2\sqrt{25\times6x^8}+x^3\sqrt{30x}-2x\sqrt{25\times3x^6}-x^3\sqrt{15x} \\\\ =10x^4\sqrt{6}+x^3\sqrt{30x}-10x^4\sqrt{3}-x^3\sqrt{15x}

4 0
3 years ago
Read 2 more answers
Express your answer in scientific notation.<br> 8.8 x 10^7 + 3.1 x 10^8
hodyreva [135]

Answer:

398000000 x

Step-by-step explanation:

8 0
4 years ago
Read 2 more answers
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