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3 years ago

13

Find the area top/bottom: 10.8 sides: 8.7

1 answer:

mihalych1998 [28]3 years ago

4 0

93.96. You multiply them together to get the answer.

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Multiply. (2x2 + 4x - 3)(x2 - 2x + 5)

BigorU [14]

For a moment, let $y=x^2-2x+5$ . Then by the distributive property,

$(2x^2+4x-3)p=2x^2p+4xp-3p$

Again by the distributive property,

$2x^2p=2x^2(x^2-2x+5)=2x^4-4x^3+10x^2$

$4xp=4x(x^2-2x+5)=4x^3-8x^2+20x$

$-3p=-3(x^2-2x+5)=-3x^2+6x-15$

Taking everything together, we get

$(2x^2+4x-3)(x^2-2x+5)=(2x^4-4x^3+10x^2)+(4x^3-8x^2+20x)+(-3x^2+6x-15)$
$(2x^2+4x-3)(x^2-2x+5)=2x^4-x^2+26x-15$

7 0

3 years ago

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Erika worked 14 hours last week and 20 hours this week. If she earns $9 per hour, how much did she earn during these two weeks?

romanna [79]

Total number of hours=14+20=34
34x9=$306

7 0

3 years ago

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A local technical school has 856 students. They expect 700 guests for a special speaker. The custodian has set up 1,500 chairs.

Delicious77 [7]

Answer:

56 chairs

Step-by-step explanation:

856+700=1556 <--- expected count

chairs set up= 1500

1556-1500= 56 more chairs

4 0

3 years ago

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If y varies inversely to x and y=9 when x=-6 find x when y=3

Minchanka [31]

Answer: y =21

Step-by-step explanati

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2 years ago

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/d/e/1FAIpQLSclFkZlgkRij_Rf2abUD8YgyQtKMgZR65VhFeEjQ96N34Edog/formResponse

Pavel [41]

Answer:

Assuming you mean on a number line.

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3 years ago

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