MATHEMATICS MIDDLE SCHOOL

Graph the linear equation and answer each of the following questions. y=−2x−3


What is the y-intercept?

What is the slope (in fraction form)?

Is your slope positive or negative?

Explain how you plotted your second point.

Answers

Answer 1
Answer:

Answer: -3, -2/1 and negative

Step-by-step explanation:

y=mx+b

m is the slope and b is the y intercept

both of these are given

m=-2

b=-3

If you mark point (0,-3), your given y intercept, and use the given slope, -2, you can easily find your line, which declines going right.

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Joseph wants to estimate 1 3/7 . 5 4/5 To estimate, he simplifies the expression 1 1/2 . 6 Is Joseph’s estimate an underestimate or an overestimate? A. underestimate B. overestimate

Please Help! image below

Answers

75 degrees because If you subtract 15 from 90 you get 75

Kirks family drove 36 miles in 50 minutes, which was 48% of the distance to his grandmothers houseWhat was the total distance in miles to Kirk's grandmothers house?

A 17.28 miles
B 24 miles
C 48 miles
D 75 miles

Answers

wait a sec while i answer this.
to find out the total... you would divide 36 by 48 and then times it by 100 which would equal 75 miles

Answer:

D. 75 Miles

Step-by-step explanation:

I took the test online in K12 and when I reviewed it said that 75 Miles is the correct answer.

Solve the equation below

Answers

1/3(12+x) = -8 (6-x)

Distribute the 1/3 and the -8 through their parentheses

4 + 1/3x = -48 + 8x

subtract 4 from each side

1/3x = -52 + 8x

subtract 8x from each side

1/3x - 8x = -52

combine like terms

1/3x - 24/3x = -52
-23/3x = -52

divide each side by -23/3 (multiply the reciprocal of the divisor)

x = -52 × -3/23
x = 156/23

x = 6 18/23 or 6.78
(1/3)(12+x)=(-8)(6-x)
(1/3)*12 + (1/3)*x = -8*6 - (-8)*x
4 + 1/3x = -48 + 8x
1/3x - 8x = -48 - 4
-23/3x = -52
x = 156/23

The coordinates of a triangle are A(4,5) B(-1,4) C(2,-3)
after a translation of up 3 minus 4 what would be the new coordinates

Answers

After translation of up 3 and bottom 4, all the x-coordinates will increase by 3, and all the y-coordinates will decrease by 4.

Coordinates would be: A(4+3,5-4), B(-1+3,4-4), C(2+3,-3-4)
So, Final answer would be: A(7,1) B(2,0) C(5,-7)

Hope this helps!
A (0,8)
B (-5,7)
C (-2,0)

Phil's garage charges $50 for towing and $40 per hour t o fix a car. Cliff's Cars charges $60 for towing and $38 per hour to fix a car. After how many hours of working on the car will the cost of towing and fixing a car be the same at the two repair shops?

Answers

you have to add them both phils 4 times and add cliffs 5 times to get the sameanswer witch it 250

3/4 (4c + 16) = 2c ÷ 9. what is c

Answers

Distribute

(3/4)(4c)+(3/4)(16)=2c/9

3c+12=2/9 c

Now subtract 2/9  c from both sides

3c+12-2/9 c=2/9 c-2/9 c

25/9 c+12 =0

Now we need to subtract 12 from both sides

25/9 c+12-12=0-12

25/9 c=-12

Just multiply both sides by 9/25 so we find the value for c

25/9 *(25/9 c)=-12(9/25)

c= -108/25


I hope that's help:0
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