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Alexxx [7]
3 years ago
6

Question 9 of 25

Mathematics
1 answer:
goldfiish [28.3K]3 years ago
7 0
The answer is D.28.5%
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Plz help, 15 points!
Eduardwww [97]

Answer:

2x+3y=-6

Step-by-step explanation:

Let the line is y=mx+b where m is slope and b is y-intercept.

The line is parallel to 2x+3y=3, slope of both the lines will be same.

Find the slope of 2x+3y=3

3y=3-2x\\y=-\frac{2}{3}x+1

Slope of line=-\frac{2}{3}

m=-\frac{2}{3}

So the line will be y=-\frac{2}{3}x+b

It passes through (3,-4).

-4=-\frac{2}{3}\times 3+b\\-4=-2+b\\b=-2\\

Hence the line is y=-\frac{2}{3}x-2

y=-\frac{2}{3}x-2\\3y=-2x-6\ \ \ \ \ \ \ (Multiply both sides by 3)\\2x+3y=-6

6 0
3 years ago
3) If it takes 3/29 of the coal for the train to go 1 mile, how much of the coal would it take to go 6.3 miles?
nevsk [136]

Answer:

18.9/29 or 65.17% of the coal.

Step-by-step explanation:

3/29 x 6.3 = 18.9/29

18.9/29 = 0.6517 x 100 = 65.17

6 0
3 years ago
On Friday ,537 people attended a play.for Saturdays matinee there were 812 people.about how many more people attended the play o
Ronch [10]
812-537=275; 275 more people attended the play on Saturday than on Friday.
8 0
3 years ago
Read 2 more answers
Follow the directions to solve the system of equations by elimination.
Ber [7]
8x + 7y = 39
4x - 14y = -68

(multiply each term in second equation by -2)

8x + 7y = 39
-8x + 28y = 136

(add both equations)

35y = 175

(divide both sides by 35)

y = 5

(substitute value of y in one of the equations)

8x + 7(5) = 39
8x + 35 = 39
8x = 4
x = 1/2
(x, y) = (1/2, 5)
5 0
3 years ago
Animals have an exrectory system with a support structure called a
IrinaVladis [17]
<span>Animals have an excretory system with a support structure called a skeleton</span>
8 0
3 years ago
Read 2 more answers
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