Find: (4x2y3 + 2xy2 – 2y) – (–7x2y3 + 6xy2 – 2y) Place the correct coefficients in the difference. x2y3 + xy2 + y

Mathematics

2 answers:

KIM [24]3 years ago

7 0

Answer:

This is the answer:

Step-by-step explanation:

Place the correct coefficients in the difference.

1`1, -4 , 0

stich3 [128]3 years ago

4 0

Answer:

11x²y³ - 4xy²

Step-by-step explanation:

remove the parenthesis and collect like terms

4x²y³ + 2xy² - 2y + 7x²y³ - 6xy² + 2y

= (4x²y³ + 7x²y³) + (2xy² - 6xy²) + (- 2y + 2y)

= 11x²y³ - 4xy² + 0

= 11x²y³ - 4xy²

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What is the volume? 2 mm 8 mm 4 mm cubic millimeters

shutvik [7]

Answer:

64 mm³

Step-by-step explanation:

I am assuming there was a photo to go with this problem

However the general formula to find volume is usually V = l×w×h

It does not matter which measurement is which because they all get multiplied together.
However assigning a name to each unit of measurement we will denoted the length (l) as 2 mm, the width (w) as 8 mm, and the height (h) as 4 mm
Plugging these values into the formula we get: V = (2)(8)(4) = 64 mm³

6 0

3 years ago

-3/4 + (-3/4) <img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B%20-%203%7D%7B4%7D%20%20%2B%20%20%5Cfrac%7B%20-%203%7D%7B4%7D%20

nika2105 [10]

Firstly, since these two fractions have the same denominator, add the numerators up: $\frac{-6}{4}$

While it appears that the answer is -6/4, you can further simplify it by dividing the numerator and denominator by 2: $-\frac{6}{4}\div\frac{2}{2}=-\frac{3}{2}$