3 years ago

HELP NOWW PLEASE !!!!!

Mathematics

2 answers:

Sergeu [11.5K]3 years ago

4 0

Answer:

Step-by-step explanation:

nirvana33 [79]3 years ago

4 0

Answer:

Step-by-step explanation:

8x10

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If there were 300 accidents in 1967 and 380 in 1968, what is the percent increase?

VikaD [51]

First find the amount of increase: 380-300=80. Then divide the amount of increase by the original amount: 80/300=.266666667. Normally you round to the tenths place: .27. Then make it a percent: .27=27%. The percent of increase is 27% :) hope this helps

3 0

3 years ago

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Find the equation of the line that contains the point (-1, -4) and is parallel to the line 6x+7y=13 . Write the equation in slo

sineoko [7]

Answer: $y=-\dfrac67x-\dfrac{34}{7}$

Step-by-step explanation:

Slope-intercept form: y=mx+c (i) , of linear equations, m= slope and c= y-intercept of the line.

6x+7y=13in slope intercept form would be :

$7y=13-6x\\\\\Rightarrow\ y=\dfrac{-6}{7}x+\dfrac{13}{7}$

Comparing to (i) , $m = \dfrac{-6}{7}$

Slope of parallel lines are equal.

So, slope of required line = $m = \dfrac{-6}{7}$

Equation of line with slope m and passes through point : $(y-b)=m(x-a)$

So, equation of required line:

$(y-(-4))=\dfrac{-6}{7}(x-(-1))\\\\\Rightarrow\ (y+4)=\dfrac{-6}{7}(x+1)\\\\\Rightarrow\ y+4=\dfrac{-6}{7}x-\dfrac{6}{7}\\\\\Rightarrow\ y=-\dfrac67x-\dfrac{6}{7}-4\\\\\Rightarrow\ y=-\dfrac67x-\dfrac{34}{7}$