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Crank
3 years ago
5

1/2(x-5)=2x+5. What’s the answer

Mathematics
1 answer:
sergeinik [125]3 years ago
5 0

Answer:

x = -5

Step-by-step explanation:

1/2(x-5)=2x+5

Multiply each side by 2

2(1/2(x-5))=2(2x+5)

x-5 = 4x+10

Subtract x from each side

x-5-x = 4x+10-x

-5 = 3x+10

Subtract 10 from each side

-5-10 = 3x+10-10

-15 =3x

Divide by 3

-15/3 = 3x/3

-5 =x

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Find x<br> 5x - 11<br> 10<br> 38.4<br> 16<br> Show your work please and thank you
saveliy_v [14]

Answer:

wait are those the answer choices??

I got 15.08

6 0
3 years ago
PLEASE HELP ME PLEASE HELP ASAP PLEASE HELP PLEASE AND THANK YOU
Allushta [10]

Answer:

y =mx + c

7 = 5/2 (-2) + c

7 = - 5 + c

c = 7 + 5

c = 12

Therefore, y = 5/2x + 12

Multiply through by 2

2y = 5x + 24

You're welcome

7 0
3 years ago
Marcus painted 1/3 of his bedroom in 4/5 of an hour. At this rate, how long would it take him the paint the entire room? I need
expeople1 [14]
So it took him 4/5 of an  hour to paint 1/3 
that means there is still 2/3 to go 
so that means that he will have two times that time to paint the rest of the room
<u>4/5</u>    = <u> ? </u>
1/3       2/3 

using cross multiplication

(4/5)(2/3) = (1/3) (?)
8/15 = 1/3 ?
divide both sides by 1/3
so that will be 8/5
that means it will take 8/5 of an hour to complete the rest 
or 12/5 total to do entire room

Hope this helps ;)
7 0
3 years ago
Find the missing side?
weeeeeb [17]

Answer:

Hey there!

Pythagorean Theorem: a^2+b^2=c^2

16+25=c^2

41=c^2

c=6.4

Let me know if this helps :)

6 0
3 years ago
In a shelter, the number of kennels is proportional to the number of dogs. The constant of proportionality in terms of dogs per
crimeas [40]
There are 9 kennels.

(# of dogs) = 3 (# of kennels)

27 = 3 (# of kennels)

27 / 3 = (# of kennels)

9 = (# of kennels)
7 0
3 years ago
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