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Oduvanchick [21]
3 years ago
9

6x + 9 = 5x +15 solve for x​

Mathematics
2 answers:
artcher [175]3 years ago
6 0

Answer:

x=6

Step-by-step explanation:

-9 on both sides

6x=5x+6

-5x on both sides

x=6

plug it back in

6*6 +9=5*6+15

36+9=30+15

45=45

V125BC [204]3 years ago
5 0
X is equals 6........

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Gary is trying to save $60 to buy new parts for his bike. He has saved 45% of
eimsori [14]

Answer:

Step-by-step explanation:

Gary need 60 dollars, but he saved only 45%

60*(45/100)=27

he saved only 27 dollars

4 0
2 years ago
I have 30 coins consisting of nickels, dimes and quarters. The total value of the coins is $4.60. there are two more dimes than
aleksklad [387]

If you have 1 nickle, how many quarters do you have? (3)

If you have 4 nickles, you have 3 times as many quarters (3)(4) = 12

If you have n nickles, then you have 3n quarters so 3n = q, you have  a slightly different equation.

 

If you fix this equation and use substitution like you did, you can get the right answer; you can also try to work in the other information that you have - converting all coin values to cents

    5n + 10d + 25q = 460

8 0
3 years ago
The radius of a circle is 4 inches. What is the circle's circumference?
mojhsa [17]

Answer:

8π inches or approximately 25.12 inches

Step-by-step explanation:

What's the circumference of a circle?

 ❖ The circumference of a circle is the distance around a circle.

How do we find the circumference of a circle?

 ❖ The formula to find the circumference of a circle is 2πr, where r =    

      radius. We can solve in terms of pi, or approximate pi to 3.14

<u>Solving</u>

  • <u></u>\pi * 4*2
  • \pi *8
  • 8π inches

<u>or</u>

  • <u />3.14*4*2
  • 3.14*8
  • 25.12 inches

Have a lovely rest of your day/night, and good luck with your assignments! ♡

7 0
2 years ago
Read 2 more answers
How do I find the slope of a line that passes through?​
Natali [406]

Answer:

the slope is m = 0.4

Step-by-step explanation:

use symbolab I use it all the time it gives correct answer and is gives good explanations (this isn't a sponser I've just been using it since the 6th grade lol)

5 0
3 years ago
The dollar value v(t) of a certain car model that is t years old is given by the following exponential function.
dimaraw [331]

Answer:

v(0) = 32,000 . . . dollars

v(13) = 16,427 . . . dollars

Step-by-step explanation:

The initial value is the value of the function for t=0. Put that into the formula and evaluate.

v(0) = 32,000(0.95^0) = 32,000 . . . . dollars

__

The value after 13 years is the function value for t=13. Put that into the formula and evaluate.

v(13) = 32,000(0.95^13) ≈ 32,000·0.513342 ≈ 16,427 . . . . dollars

5 0
3 years ago
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