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Sloan [31]
3 years ago
6

I need help with the work to find this answer

Mathematics
2 answers:
Brilliant_brown [7]3 years ago
8 0
The answer is 2880.
MatroZZZ [7]3 years ago
5 0
So you need to find the volume which is length x width x height

to do this find the volume of the step as if it was a perfect cube (no indent)

so it is 20x16x12 = 3840

then subtract the indent from that (extra space)
so 8x20x6 = 960

3840-960=2880

2880 is the final answer

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A circle has a diameter of 12 units, and its center lies on the x-axis. What could be the equation of the circle?
ycow [4]

Answer:

x^{2} +y^{2} =36

Step-by-step explanation:

A circle centered at (0,0) with radius r is x^{2} +y^{2} =r^{2}

Since your circle has diameter of 12, then its radius is 6.  Then r^{2} =36

So a possible answer is:  x^{2} +y^{2} =36

If you want to move the location of the center, but keep it on the x-axis, then add or subtract a number to the x, such as this:

(x+4)^{2} +y^{2} =36

The center of this circle would be (-4, 0) which is still on the x-axis.

8 0
3 years ago
The set of points P(0, 3), Q(2, 0), R(4, -3) are collinear and the line has a slope of _____.
vampirchik [111]

Answer:

slope = -1.5

Step-by-step explanation:

A set of three or more points are said to be collinear if they all lie on the same straight line.

We have been given the following collinear set of points;

P(0, 3), Q(2, 0), R(4, -3)

This implies that P, Q, and R lie on the same line.

The slope of a line is defined as; (change in y)/(change in x)

Using the points P and Q, the slope of the line is calculated as;

(0-3)/(2-0) = -3/2 = -1.5

7 0
3 years ago
Read 2 more answers
Find the value if x and y
anyanavicka [17]
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    x = 10

10(x+y) + 3x = 180
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130 + 10y = 180
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5 0
3 years ago
Read 2 more answers
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Bogdan [553]
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f(-1)=3( 1 ) +2+1
f(-1)=3+3
f(-1)=6
7 0
3 years ago
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Natali [406]

Answer:

D

Step-by-step explanation:

on a graph, look at the points (-3,0) (-1,0) and (2,0). Then, see if the line passes through those points. You will see that graph D passes through all those points. If you're confused on how to turn the (x,y) format into points on a graph, remember that the first point tells you how left/right you want to be, and the second point tells you how up/down you want to be.

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