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VMariaS [17]
3 years ago
10

What is the volume of a rectangle with 21, 7, and 3

Mathematics
1 answer:
LiRa [457]3 years ago
5 0

Answer:

441

Step-by-step explanation:

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The perimeter of a rectangle is 42 inches. If the width of the rectangle is 6 inches, what is the length?
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Describe and correct the error a student made in finding the midpoint cd with c(-4,5) and d(-1,-4).
Gnesinka [82]

Answer:

Step-by-step explanation:

The formula for finding the midpoint of two coordinates is expressed as;

M(X,Y) = (\frac{x_1+x_2}{2} , \frac{y_1+y_2}{2})

Given the coordinates c(-4,5) and d(-1,-4), x1 = -4, y1 = 5, x2 = -1 and y2 = -4.

For the X coordinate of the midpoint

X = x1+x2/2

X = -4+(-1)/2

X = -4-1/2

X = -5/2

X = -2.5

Similarly for Y:

Y = y1+y2/2

Y = 5+(-4)/2

Y = 5-4/2

Y = 1/2

Y = 0.5

Hence the midpoint coordinate of C(-4,5) and D (-1,-4) is (-2.5, 0.5)

5 0
3 years ago
How many solutions does the system have?<br> 8x + 2y = 14<br> (8x + 2y = 4
e-lub [12.9K]

Answer:

zero

Step-by-step explanation:

they are parallel once graphed

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Someone help me asappppp!!! Will mark brainliest if right hurry!!!!!!
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Plss help ! I will give you brainliest
Lady_Fox [76]

Answer:

16 + -16 -4 ( 20 ) - 6)

Step-by-step explanation:

here is answer

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