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zloy xaker [14]
4 years ago
14

Drag a reason to each box to complete this proof. If 1/2(8x +14) =39, then x = 8

Mathematics
1 answer:
oee [108]4 years ago
7 0

Answer:

Correct, if 1/2(8x +14) =39, then x = 8

Step-by-step explanation:

\frac{1}{2}(8x+14)=39

Solving for x: Multiplying both sides of the equation by 2

2[\frac{1}{2}(8x+14)]=2(39)\\ 8x+14=78

Subtracting 14 from both sides of the equation:

8x+14-14=78-14\\ 8x=64

Dividing both sides of the equation by 8:

\frac{8x}{8}=\frac{64}{8}\\ x=8

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Which number is an integer?<br> -3/4<br><br> 1/5<br><br> 2<br><br> 4/2/3
oksian1 [2.3K]

Answer:

2

Step-by-step explanation:

8 0
3 years ago
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Tickets to a movie cost $5 for adults and $3 for students. A group of friends purchased 18 tickets for $82.00. How many adults t
TEA [102]

Answer:

They purchased 14 adult tickets and 4 kids tickets.

Step-by-step explanation:

14 x 5 = 70

3x4=12

and then add 70 plus 12 to get 82 dollars.

7 0
4 years ago
Please help me with this D:
I am Lyosha [343]
Yes, because 120 - 36 = (120\times 36) - 4236 = 84

Hope that helped :D
8 0
3 years ago
A formula for a function y=f(x) is f(x)=x^2-10x,xless than or equal 5. Find f^-1(x) and indentify the domain and range of f^-1(x
evablogger [386]
F(x) =x² - 10x,  f⁻¹(x) =?

1st find the missing square of x²-10x, ==> (x-5)² - 25

y= (x-5)² - 25; replace x by y and v0ce versa: x= (y-5)² -25
or
(y-5)² = x+25
y-5 = √(x+25) and y = √(x+25) -5

Domain = {x∈R: X>= 25} AND Range ={y∈R: y>= 5}

6 0
3 years ago
When it comes to reimbursement packages, company A offers $205 plus
lara31 [8.8K]
220-205=15
So 15$ is the difference you need to make up .
.45times n +15 =.55times n

So I just times each answer to see
.45 times 325 is 146.25 miles plus 220= 366.25
.55times 325 is 178.75 miles plus 205= 383.75

.45 times 250 is 112.5 miles plus 220= 332.5
.55times 250 is 137.5 miles plus 205= 342.5

.45 times 225 is 101.25 miles plus 220= 321.25
.55times 225 is 123.75 miles plus 205= 328.75

.45 times 150 is 67.5 miles plus 220= 287.5
.55times 150 is 82.5 miles plus 205= 287.5

So it’s b 150 the last one I thought it could be....

Good luck brainliest would be appreciated
6 0
3 years ago
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