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Keith_Richards [23]

4 years ago

12

Please help me 30 points (please don't comment unless its answer :

1 answer:

Irina-Kira [14]4 years ago

6 0

Answer: it would be 1.578 times 10^-6125

Or 1.578 times 10^-1230

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Solve the following systems using the ELIMINATION METHOD.<br> y=4x-5<br> y=3x+7

RUDIKE [14]

$\left\{\begin{array}{ccc}y=4x-5\\y=3x+7&|\text{change the signs}\end{array}\right\\\underline{+\left\{\begin{array}{ccc}y=4x-5\\-y=-3x-7\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad0=x-12\qquad\text{add 12 to both sides}\\\qquad\boxed{x=12}\\\\\text{Substitute the value of x to the first equation}\\\\y=4(12)-5\\y=48-5\\\boxed{y=43}\\\\Answer:\ x=12\ and\ y=43.$

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4 years ago

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Allisa [31]

Answer:

5

Step-by-step explanation:

a²+b²=c²

In this case c is 13 and b is 12

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Subtract 169 and 144 to find a

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3 years ago

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Alexeev081 [22]

Answer:

A

Step-by-step explanation:

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WITCHER [35]

The decimal point should move all the way behind '4'. Therefore the answer is 8714.0

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Use synthetic division to divide x^3-8x^2+9x-5 by x-3

givi [52]

Answer:

x2 - 5x - 6 + -23/x-3Step-by-step explanation:

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