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NeX [460]
2 years ago
7

5( x + 9) What is the answer to that

Mathematics
2 answers:
emmasim [6.3K]2 years ago
7 0

Answer:

5x + 45

Step-by-step explanation:

distribute 5 to both x and 9 so multiply them both

andre [41]2 years ago
5 0

Answer:

qwertyuioplkjhgfdsazxcvbnm

Step-by-step explanation:

You might be interested in
Solve by addition method <br>3x+y=8 <br>2x-y=7
Vinil7 [7]

Answer:

(3,-1)

Step-by-step explanation:

So we have the system of equations:

3x+y=8\\2x-y=7

As directed, add straight down. The y-variable will cancel:

5x=15

Now, divide both sides by 5. The left cancels:

x=3

So x is 3.

Now, substitute 3 for x in either of the equations:

3x+y=8

Substitute 3 for x:

3(3)+y=8

Multiply:

9+y=8

Subtract 9 from both sides:

y=-1

So, our answer is: x=3, y=-1 or (3,-1).

And we are done :)

7 0
3 years ago
It costs $74 per hour plus a $65 service fee to have a home theater system set up for you. Let t represent the number of hours.
ki77a [65]

Answer:

74t + 65= total cost

Step-by-step explanation:

74 is the amount per hour, so you would need to multiply that by the number of hours they work (74t) and the 65 is a set fee (does not change based on the amount of service) so you just add that on

8 0
2 years ago
Sofia is planning her physical activities for the week and wants to choose an activity that will help her build stamina. She sho
BigorU [14]
Strengthens leg muscles and includes cardio
8 0
3 years ago
Write the slope intercept form of the equation of the line through the given points. (5,-1) and (-5,2)
Lelu [443]

Answer:

y=-\frac{3}{10} x+\frac{1}{2} or -\frac{3}{10}

Step-by-step explanation:

first use the y2-y1/x2-x1 formula then use y=mx+b after

plug in 2 for y2 and -1 for y1

plug in -5 for x2 and 5 for x1

\frac{2-(-1)}{-5-5}=

2+1=3

-5-5=-10

-\frac{3}{10} is ur slope

_____________________

this is the y=mx+b formula *extra info ig*

i usually use the first point for this but u can use watever point u want

plug in 5 for x

plug in -1 for y

and plug -3/10 for m

-1=-3/10(5)+b

-3/10*5=-3/2

-1=-3/2+b

add -3/2 on both sides

-1+3/2=1/2

1/2=b and b is ur y-intercept

y=-3/10x+1/2

hope this helps

7 0
3 years ago
Which phrase describes density? height of a point above sea level force pushing on an area or a surface amount of mass in a cert
hichkok12 [17]
The answer will be amount of mass in a certain volume .
5 0
3 years ago
Read 2 more answers
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