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Mila [183]
3 years ago
8

What is the equation for 9x-7=-7

Mathematics
1 answer:
s344n2d4d5 [400]3 years ago
7 0
X = 0

Get this by adding 7 to both sides and dividing by 9. 
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Which ratios are equal to each other? A. 1 : 16 and 2 : 8 B. 2 : 32 and 4 : 8 C. 1 : 64 and 4 : 16 D. 1 : 16 and 4 : 64
Ronch [10]
The answer to the question is d

5 0
3 years ago
Read 2 more answers
Which is the distance betweeen parallel lines with the equations y=-1/3x+3 and y=-1/3x-7
Vera_Pavlovna [14]

Answer:

the distance is 10

Step-by-step explanation:

since the slope is the same you know they're parallel, but just find the difference from the two y intercepts (the +3/-7) the difference is 10, so 10.

3 0
2 years ago
Please help I’m so lost
Marysya12 [62]

Answer:

<em>u</em> = 7.21

Step-by-step explanation:

The magnitude of <em>u</em> is just the distance between the two points. The coordinates of the left-most point are (-2,-8) and the coordinates of the right point are (4, -4). I'm assuming the x coordinates here because we don't actually know the scale.

Ok so from these points, you can draw a triangle (u can see it in the attached file).

From the coordinates we can tell the lengths of the sides, and the triangle shows that <em>u</em> is the hypotenuse of the triangle. This triangle is also a right triangle, so u can use Pythagoras' theorem to find the length of <em>u</em>.

a^{2}+b^{2} = c^{2} \\6^{2}+4^{2}  = c^{2} \\\sqrt{6^{2} +4^{2} } = c\\\sqrt{36+16} = c\\7.21 = c

Since c = <em>u</em>, we know now that the magnitude of <em>u</em> is 7.21

Hope this helps!

3 0
3 years ago
Two gears are connected and are rotating simultaneously. The smaller gear has a radius of 3 inches, and the larger gear has a ra
vaieri [72.5K]
Let r represent the radius of the smaller circle and R the radius of the larger
circle.

Apply ratios: the radius of the smaller circle to the radius of the larger circle.

r: R = 3 : 7.

I complete rotation = 360 degrees.

1st:

For one complete rotation of the smaller circle, the larger circle is rotated through (3/7)*(360) = 154.3 degrees

2nd:For one complete rotation of the larger circle, the larger circle is rotated through (7/3)*(360) = 840.0 degrees

This is equivalent to (840/360) = 2.3 rotations

Alternatively, use the ratios: The number of rotations = R/r = 7/3 = 2.3 rotations 

Hope this helped☺☺
8 0
3 years ago
Someone pls help me out
Firlakuza [10]

Answer:

D.

Step-by-step explanation:

A student Loan is NOT and asset.  An asset means "Property or something that you own." You do not OWN a student loan. you have to borrow it and pay it back.

Hope this helps! Please mark as brainliest! Thanks!

4 0
4 years ago
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