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3 years ago

How do you know to add for the first one and multiply for the second??

Mathematics

1 answer:

Soloha48 [4]3 years ago

8 0

Answer:

When you multiply the variables with different exponents, you add. When you multiply an exponent with another exponent, you multiply.

Step-by-step explanation:

Answer above

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Trinity solved the equation 2(x-3)+7-3x=11.

lukranit [14]

Answer:

$x=-10$

Step-by-step explanation:

$2(x-3)+7-3x=11$

$2\left(x-3\right)+7-3x-7=11-7$

$2\left(x-3\right)-3x=4$

$-x-6=4$

$-x-6+6=4+6$

$-x=10$

$\cfrac{-x}{-1}=\cfrac{10}{-1}$

$x=-10$

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2 years ago

Can anybody help me?

Ipatiy [6.2K]

As the number of computers that go up, the cost goes up by $500. So when 5 computers are bought it will be $2,500

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4 years ago

I need to know how to find a rational number halfway in between 7/8 and 3/7

luda_lava [24]

Check the picture below

hmmm so, notice the arrows, if we simply multiply top and bottom of one fraction by the other's denominator, we end up with two fractions, with the same denominator

now, what can be between 49/56 and 24/56

well, 25/56, or 26/56 or 48/56 or 39/56 and so on

once the denominators are the same, is just a matter of which numerator is larger or smaller, to see who is who

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3 years ago

I WILL MARK BRAINIEST

valkas [14]

Answer:

Angle X=30°

2x=60°

Step-by-step explanation:

X+2X=90°

3x=90°

X=90/3

X=30°

Angle X=30°

2x=60°

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3 years ago

A passenger train has tickets available for 12 window seats and 8 aisle seats. The nest person to buy a ticket will be randomly

nydimaria [60]

The probability of the person be set to sit in an aisle seat is 8/12.

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3 years ago

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