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Neko [114]
2 years ago
15

HELP ME if in one if in one lap they give 450 m if they want to cover 18k how many laps should they do

Mathematics
2 answers:
nignag [31]2 years ago
6 0

Answer: 42.9

I am not 100% sure but I did some quick math

padilas [110]2 years ago
5 0

Answer:

No speak english sooryy bro mada faca

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Count how many pieces there are and then seer how many is that specific Piece and for percentage make it 100% of this amount then divide the different one out
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3 years ago
7x+5y=-13<br> -2x=7y+26<br> Solve by elimination
RSB [31]

Answer:

Point form : (1,-4)

Equation for, : x=1, y=-4

Step-by-step explanation: Add the fractions in order to solve for the first variable. Plug this vale into the other equations in order to solve for the remaining variables.

Hope this helps you out! ☺

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3 years ago
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What is the slope of the line between
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Slope = (change in y)/(change in x)
.. = (-14 -0)/(2 -0)
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3 years ago
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Find a equation of a line that is perpendicular to y=-4x+3 and passes through the point (4,-1).
Marina86 [1]

Given:

The given equation is:

y=-4x+3

A line is perpendicular to the given line and passes through the point (4,-1).

To find:

The equation of required line.

Solution:

The slope intercept form of a line is:

y=mx+b

Where, m is slope and b is y-intercept.

We have,

y=-4x+3

Here, the slope of the line is -4 and the y-intercept is 3.

Let the slope of required line be m.

We know that the product of slopes of two perpendicular lines is -1. So,

m\times (-4)=-1

m=\dfrac{-1}{-4}

m=\dfrac{1}{4}

The slope of required line is m=\dfrac{1}{4} and it passes through the point (4,-1). So, the equation of the line is:

y-(-1)=\dfrac{1}{4}(x-4)

y+1=\dfrac{1}{4}(x)-\dfrac{4}{4}

y=\dfrac{1}{4}x-1-1

y=\dfrac{1}{4}x-2

Therefore, the equation of the required line is y=\dfrac{1}{4}x-2.

5 0
2 years ago
You buy 10 pounds of bird seed at store A for $11.50.Your friend buys 15 pounds of bird seed at Store B for $19.50.How much less
Dmitry [639]

Answer:

$3

Step-by-step explanation:

You buy 10 pounds of bird seed at store A for $11.50 which means every pound is $1.15.

15 pounds of bird seeds store B for $19.50 is $1.30 per pound.

At store A = 20 * $1.15 = $23

At store B = 20 * $1.30 = $26

So, 26 - 23 = 3

3 0
2 years ago
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