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3 years ago

I have to write the slope and equation of each line pictured in y = mx + b form.

Mathematics

1 answer:

Brut [27]3 years ago

5 0

Answer:

y=7/3x+8

Step-by-step explanation:

You have to start at the 3and rise all the way to the 8 which is 7 and then run which is 3 so the slope mx is 7/3x. To find b which is the y intercept find the point where the line hits the y-axis.

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Joan and her brother Justin left a hotel at the same time, driving in opposite directions at constant rates. After traveling for

inessss [21]

Answer:

Joan drive with a speed of 55 miles per hour.

Step-by-step explanation:

Given:- Travelling time (t) = 4 hours.

Travelled distance (d) = 480 miles.

Speed of Justin is 10 miles per hour faster than Joan.

To find:- Speed of Joan = ?

Solution:-

Let speed of Joan be x,

therefore speed of Justin = x+10 ---------------(from given)

Now, Total speed of Joan and Justin = x+x+10

Total speed of Joan and Justin = 2x+10 ------------(1)

Now formula for speed is,

Speed = $\frac{distance}{time}$

$2x+10=\frac{480}{4}$ -------------(from 1 and given)

$2x+10=120$

$2x=120-10$

$2x=110$

$\therefore x=\frac{110}{2}$

$\therefore x= 55$

as x is the speed of Joan,

Therefore Joan drive with a speed of 55 miles per hour.

6 0

2 years ago

Read 2 more answers

Help!!!!! please!!!!!

guapka [62]

The correct answer is option C

6 0

2 years ago

Read 2 more answers

Create a number line

wel

Step-by-step explanation:

is it correct ?? think that d answer is helpful to u

4 0

3 years ago

25 students in a class each bring in one pund of unpopped popcorn an average ear of corn has 400 kernels it takes 1,300 kernels

REY [17]

Since each student brings in 1 pound of unpopped popcorn...then there will be 25 pounds of corn! Since there are 1300 kernels to make a pound, you multiply 25 by 1300 = <span>32500, which is how many kernels. If every child brought 3 pounds: You would have to solve 25 * 3 = 75 pounds. Hope this helps!</span>

5 0

3 years ago

PLEASE PLEASE HELP I will fail if I don't get this in 4 mins

IRISSAK [1]

Answer:

A: input: 10,450; output: 270

B: 10450 - 270x

C: 7750

Step-by-step explanation:

C: 10450 - 270x

10450 - 270(10)

10450 - 2700

7750

8 0

2 years ago