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Naily [24]
3 years ago
8

Find the distance between -10.5 and 7 on a number line (geometry)

Mathematics
2 answers:
SashulF [63]3 years ago
6 0

Answer:

17.5

Step-by-step explanation:

|-10.5| + 7 = their combined distance

=17.5

DerKrebs [107]3 years ago
6 0
17.5 starting from-7.5 to 0 there are 7 numbers and starting from 0 -10.5 there are 10.5 more
So the total difference is 17.5
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Which system of equations below has infinitely many solutions? y = –3x 4 and y = –3x – 4 y = –3x 4 and 3y = –9x 12 y = –3x 4 and
Flura [38]

the equations y = –3x + 4 and 3y = –9x + 12 have infinitely many solutions. option B is correct.

<h3>What is the linear system?</h3>

It is a system of an equation in which the highest power of the variable is always 1. A one-dimension figure that has no width. It is a combination of infinite points side by side.

Condition for the parallel lines.

L1,  ax + bx + c = 0

L2, dx + ey + f = 0

If \rm \dfrac{a}{d} = \dfrac{b}{e} = \dfrac{c}{f} then lines have infinitely many solutions.

<h3>Which system of equations below has infinitely many solutions?</h3>

y = –3x + 4 and 3y = –9x + 12

On comparing we have

a = -3 , b = 1, and c = 4

d = -9 , e = 3, and f = 12

Then their ratio will be

\rm \dfrac{1}{3} = \dfrac{-3}{-9} = \dfrac{4}{12}\\\\\rm \dfrac{1}{3} = \dfrac{1}{3} = \dfrac{1}{3}

Hence  y = –3x + 4 and 3y = –9x + 12 have infinitely many solutions.

Thus the option B is correct.

More about the linear system link is given below.

brainly.com/question/20379472

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2 years ago
A college bookstore marks up the price that it pays the publisher for a book by 35%.  If the selling price of a book is $54.00,
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Answer:

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Step-by-step explanation:

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6 seconds at 20 feet per second is 6x20= 120
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