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Karo-lina-s [1.5K]
3 years ago
6

X2 - xy (if x = 8 and y = -3)

Mathematics
2 answers:
notsponge [240]3 years ago
8 0

Answer:

40

Step-by-step explanation:

just subsitute and when their all sticking together it’s automatically multiplication.

8(2) - (8)(-3)

16- - 24

16+24

40

zvonat [6]3 years ago
3 0

Answer: 40

Step-by-step explanation:

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Least to greatest 4 1/3, the square root of 43, 12/4, 4.13
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<span>Least to greatest
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IS THIS CORRECT?! I HAVE A BACK SIDE TOO, IF ANYTHING IS WRONG PLS PLS LMK!!
Fudgin [204]

The only error you made is on problem 3. Everything else is correct. Nice work.

-------------------------------------------------------

Here is how to solve problem 3

Plug x = 1 into the equation and solve for y

-3x + y = 1

-3*1 + y = 1 ... replace x with 1

-3 + y = 1

y - 3 = 1

y - 3 + 3 = 1 + 3 .... add 3 to both sides

y = 4

<h3>The answer is 4</h3>

-------------------------------------------------------

Verifying the answer:

Plug (x,y) = (1,4) into the equation. Both sides should be the same number after simplifying both sides.

-3x + y = 1

-3*1 + 4 = 1 ..... replace x with 1; replace y with 4

-3 + 4 = 1

1 = 1

The answer is confirmed.

If you were to graph -3x + y = 1, which is equivalent to y = 3x+1, you'll find that the point (1,4) is on this line.

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3 years ago
Jake is 1.25 meters tall. At 11a.m he measures the length of a trees shadow to be 16.45 meters. He stands 11.5 meters away from
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Answer:

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Step-by-step explanation:

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Step-by-step explanation:

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