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Masteriza [31]
3 years ago
12

Is 14 a solution for the equation -5 + 2x = 23? Explain.

Mathematics
2 answers:
Mila [183]3 years ago
8 0

Answer:

Yes because after solving the equation, x does indeed equal 14.

Step-by-step explanation:

-5 + 2x = 23

2x = 23 + 5

2x = 28

x = 14

yawa3891 [41]3 years ago
4 0

Answer:

-5 + 2x= 23 x= 14 (Correct)

Step-by-step explanation:

This is true because the first step you take to sloving this equation is to move the constant to the right. Then calculate. Divide both sides and your answer should equal x=14!

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It takes Jenny 1/4 hour to ride her bike 1/2 mile. What is her unit rate of travel in miles per hour?
Dovator [93]

Answer:

2 mph

Step-by-step explanation:

Since Jenny can do 1/2 of a mile in 1/4th of an hour, she can do twice as many miles, which is 1/2

4 0
3 years ago
Uhh help lol<br> 5.3x + y = 28.5 <br> 4.2x + 3.1y = 27.2<br> find x and y
navik [9.2K]

Answer:

x = 5, y = 2

Step-by-step explanation:

First, isolate y in the top equation.

y = -5.3x+28.5

Next, substitute y in the bottom equation.

4.2x + 3.1(-5.3x + 28.5) = 27.2

5.3x + y = 28.5

Simplify.

4.2x + -16.43x + 88.35 = 27.2

Combine like terms.

-12.23x + 88.35 = 27.2

Isolate x on one side.

-12.23x = -61.15

Isolate x.

x = 5

Substitute x into 5.3x + y = 28.5

5.3(5) + y = 28.5

Simplify.

26.5 + y = 28.5

Isolate y.

y = 2

x = 5 \\y = 2

6 0
3 years ago
What would this be, please help me.
Sveta_85 [38]

Answer:

I think it is 6.

Step-by-step explanation:

on a parrelelogram parrelell sides r =. this means that 6x-15=x+15

we can subtract x from both sides and get 5x-15=15. add 15 to both sides and get 5x=30. Divide both sides by 5 and get x=6.

8 0
4 years ago
Which of the following equations has the given solution set? Solution set: Ø -2m + 5 = 2m + 5 -2m + 5 = -2m + 5 -2m + 5 = -2m -
Alex787 [66]
If I understand ur question, u r looking for a solution set with no solutions.
- 2m + 5 = - 2m - 5
-2m + 2m = -5 - 5
0 = -10 (incorrect...no solution)

u want the answer to be unequal with no variables. U do not want the answers to be equal, such as 0 = 0 or 10 = 10...because that would indicate infinite solutions. And u do not want the answer to contain a variable, because that would indicate 1 solution.


4 0
4 years ago
Read 2 more answers
A rectangular prism-shaped fish tank is 14 inches tall. The base of the tank has a length of 36
AURORKA [14]

Answer:

6048 in     221225582592 in3

Step-by-step explanation:

8 0
3 years ago
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