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spayn [35]
3 years ago
8

Solve for x. 45(15x+20)−7x=56(12x−24)+6

Mathematics
2 answers:
Liula [17]3 years ago
8 0
Greetings!

Solve for x.
45(15x+20)-7x=56(12x-24)+6
Distribute the Parenthesis.
675x+900-7x=56(12x-24)+6
675x+900-7x=672x-1344+6
Combine Like Terms.
668x+900=672x-1338
Add 1338 to both sides.
(668x+900)+1338=(672x-1338)+1338
Subtract 668x from both sides.
[(668x+900)+1338]-668x=[(672x-1338)+1338]-668x
Simplify.
900+1338=672x-668x
2238=4x
Divide both sides by 4.
(2238)/4=(4x)/4
Simplify.
559.5=x
x=559.5

Hope this helps.
-Benjamin

maxonik [38]3 years ago
8 0

Answer:

The answer is 6

Step-by-step explanation:

I just took the test on k-12 and i got 100%

Hope this helps :)

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There are a total of 225 pupils in Secondary one. If the number of pupils who pay their school fees through GIRO scheme is 14 ti
asambeis [7]
There are several information's already given in the question. Lat us first write them down and then go for solving the problem.

Total number of pupil <span>in Secondary one = 225
Let us assume the number of pupil who do not pay the school fees through GIRO scheme = x
Then
Number </span>of pupil who pay the school fees through GIRO scheme = 14x
So
x + 14x = 225
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From the above deduction, it can be concluded that 15 pupil did not join the scheme.
8 0
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tia_tia [17]
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6 0
3 years ago
Yolanda is planning to put a pool in her backyard. The scaled model below gives the reduced measures for diameter and depth. The
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Answer:

C option: 6 feet

Step-by-step explanation:

Since Yolanda wants to keep the pool in proportion to the model, the ratio of diameter to depth of model and the pool will be same.

Let the depth of pool is x feet.

Ratio of Diameter to Depth of Model = Ratio of Diameter to Depth of pool

This means the depth of pool should be 6 feet if Yolanda wants to keep the pool in proportion to the model.

Plz give brainliest

4 0
4 years ago
Read 2 more answers
One dozen eggs cost $1.98. If the charge at the register for only eggs, without tax, was $11.88, how many dozen were purchased?
inysia [295]

Answer:

They purchased 6 dozen eggs

Step-by-step explanation:

The total cost is the cost per dozen times the number of dozen purchased

total cost = 1.98 * n  where n is the number of dozen

11.88 = 1.98n

Divide each side by 1.98

11.88/1.98 = 1.98/1.98 * n

6=n

They purchased 6 dozen eggs

7 0
3 years ago
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