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Genrish500 [490]
4 years ago
8

PLEASE HELPsolve for Rwhat is R equal to​

Mathematics
1 answer:
AnnyKZ [126]4 years ago
8 0
The answer is: R = P + C

Steps:

First, move r to the left side of the equation and change its sign.

-r + p = - c

Then, move p to the right side and change its sign.

-r = -c - p

Multiply both sides of the equation by -1. This will change the variables back to positives, because any expression multiplied by -1 equals its opposite.

-1(-r) = -1(-c) -1(-p) =
r = c + p (don’t forget to change the sign)

So, your final solution is: r = c + p or r = p + c
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Barbara charges $3.50, plus $2.25 for each hour she babysits. If Barbara charges $21.50, how many hours does she babysit?
MAVERICK [17]

Answer:

8 hours

Step-by-step explanation:

The equation is 2.25X + 3.50 = 21.50

X represents the unknown amount of hours she worked. 2.25 is the cost per hour. 3.50 is the fee she charges for every gig. That fee only happens once a gig so naturally it wasn't the number x was placed with.

2.25X + 3.50 = 21.50

2.25X + 3.50 - 3.50 = 21.50 - 3.50

2.25X = 18

<u>2.25X</u> = <u>1</u><u>8</u>

2.25 2.25

X = 8

8 0
3 years ago
Did I do this correctly?
Rina8888 [55]
Yes!
- you applied the distributive property
- combined like terms
- and answered the rest right!
8 0
3 years ago
Five more than the product of a number and 4 is equal to 8
Maru [420]

Answer:

4x+5=8

x=\frac{3}{4}

Step-by-step explanation:

Let

x ---> the number

we know that

The algebraic expression is equal to multiply the number by 4, add 5 and equal 8

so

4x+5=8

Solve for x

subtract 5 both sides

4x=8-5\\4x=3

Divide by 4 both sides

x=\frac{3}{4}

3 0
3 years ago
What is the length of the line segment with endpoints (11,−4) and (−12,−4) ?
statuscvo [17]
Distance = √[(-12 - 11)^2 +(-4 - (-4))^2]
= √(529+0)
= 23

answer
<span>length of the line segment = 23</span>
6 0
4 years ago
Write the slope intercept form of the equation of each line plz
soldi70 [24.7K]

Answer:

y = -11/6z - 6

Step-by-step explanation:

11z +6y = -36

-11z          -11z

6y = -11z -36

-----  -----  -----  divide by 6

6       6       6

y = - \frac{11}{6\\} z -6

4 0
3 years ago
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