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Illusion [34]
3 years ago
5

Place the indicated product in the proper location on the grid 3a^2-2a^3

Mathematics
1 answer:
Solnce55 [7]3 years ago
8 0
The answer is a^2(3-2a)
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Solve for the value of z: 90/15 = 6/z
lara31 [8.8K]

Answer:

z = 1

Step-by-step explanation:

90/15 = 6/z

Cross Multiply

15 * 6 = 90 * z

90 = 90z

Divide both sides of the equation by 90

z = 1

Hope this was useful to you!

3 0
3 years ago
Please help me with theses 4 questions
MA_775_DIABLO [31]
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3 years ago
Evaluate 2x + 1 when x = 7.
Tatiana [17]

Answer:

15

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
1
zmey [24]

Answer:

Part 1) The inequality that represent this situation is 5(x+7)^{2} \geq1,050  or  5x^{2}+70x+245 \geq1,050

Part 2) Yes, 8 inches is a reasonable width for his tablet

Step-by-step explanation:

Part 1)

Let

L -----> the length of the screen television

W ----> the width of the screen television

x ---->  the width of Andrew's tablet

we know that

L=5W ------> equation A

W=x+7 ----> equation B

The area of the television is

A=LW -----> equation C

Substitute equation A and equation B in equation C

A=5(x+7)(x+7)

A=5(x+7)^{2}

5(x+7)^{2} \geq1,050

5(x^{2}+14x+49) \geq1,050

5x^{2}+70x+245 \geq1,050 ------> inequality that represent this situation

Part 2) Determine if 8 inches is a reasonable width for his tablet

For x=8 in

Substitute in the inequality

5(8+7)^{2} \geq1,050

5(15)^{2} \geq1,050

1,125 \geq1,050 -----> is true

therefore

Yes, 8 inches is a reasonable width for his tablet

3 0
3 years ago
$70 plus a 5% tax and a 15% tip
Serjik [45]

Answer:

maybe 88.5

Step-by-step explanation:

calculator is god

5 0
2 years ago
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