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3 years ago

Myra combined the like terms in the algebraic expression correctly. Which statement correctly describes what Myra did?

Mathematics

2 answers:

weqwewe [10]3 years ago

6 0

Answer:

the answer is A on edg

Step-by-step explanation:

good luck

bezimeni [28]3 years ago

4 0

Answer:

The answer would be the first one, combining 8 and -2

Step-by-step explanation:

This is because the 2 like terms are 8x^2 and -2x^2. You can get this by looking in the problem. There are 2 terms with x^2 which means we have to combine them. One of them is 8x^2 (the 1st one) and the other is -2x^2 (since it says 7-2x^2)

If you combine these you will get 6x^2 [8+(-2)=6]

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krok68 [10]

Answer:

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Step-by-step explanation:

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3 years ago

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Step-by-step explanation: i did 6x50 then 4x50

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3 years ago

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Find the distance and midpoint between the points (7, 3) and (-2,-5).

pochemuha

(7,3)
(-2,-5)

Distance:-

$\\ \rm\Rrightarrow \sqrt{(7+2)^2+(3+5)^2}$

$\\ \rm\Rrightarrow \sqrt{9^2+8^2}$

$\\ \rm\Rrightarrow \sqrt{81+64}]/tex][tex]\\ \rm\Rrightarrow \sqrt{145}$

$\\ \rm\Rrightarrow 12(approx)$

Midpoint

$\\ \rm\Rrightarrow \left(\dfrac{7-2}{2},\dfrac{3-5}{2}\right)$

$\\ \rm\Rrightarrow \left(\dfrac{5}{2},\dfrac{-2}{2}\right)$

$\\ \rm\Rrightarrow \left(\dfrac{5}{2},-1\right)$

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2 years ago

If 4 apples have a mass of 1 kg. About how many grams is each apple?

igomit [66]

Answer:

0.25kg

Step-by-step explanation:

1kg/4(total divided by apples)=0.25kg

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4 years ago

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The US uses roughly 4.0 million Gigawatt-hours per year in electricity. Currently 50% of out electricity comes from coal. If eve

sergey [27]

4 trillion pounds.

1 gigawatt-hour is equal to 1,000,000 kilowatt-hours.

Out of our 4,000,000 gigawatt-hours, 50% of it comes from coal; this is 2,000,000 gigawatt-hours.

2,000,000(1,000,000) = 2,000,000,000,000 (2 trillion) kilowatt-hours.

Since each kilowatt-hour is 2 lbs of carbon dioxide, 2 trillion * 2 = 4 trillion lbs of carbon dioxide.

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3 years ago