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KonstantinChe [14]
3 years ago
12

I don't know how to solve this math problem

Mathematics
1 answer:
Oksana_A [137]3 years ago
7 0
13. 48
14. 12
16 is cut off so couldn’t read the whole problem to answer it. 


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Will give brainliest answer!
kifflom [539]
5x + 60y = 35

x +y = 1.5 : rewrite as x = 1.5-y   and substitute this formula for x in the first one:

5(1.5-y) + 60y = 35

distribute:

7.5 - 5y + 60y = 35

combine like terms:

7.5 + 55y = 35

subtract 7.5 from both sides:

55y = 27.5

divide both sides by 55 to solve for  y

y = 27.5 / 55 = 0.5

now substiute 0.5 for y in the 2nd equation:

x + 0.5 = 1.5

x = 1.5 - 0.5 = 1

 he walked for 1 hour


8 0
3 years ago
Suppose that you have 7 cookies to distribute between 13 children.
Oduvanchick [21]

Answer

The answer and procedures of the exercise are attached in the following archives.

Step-by-step explanation:

You will find the procedures, formulas or necessary explanations in the archive attached below. If you have any question ask and I will aclare your doubts kindly.  

3 0
3 years ago
Read 2 more answers
A bag of candy has 240 pieces. If 30% of the candies in the bag are
Liono4ka [1.6K]

Answer: 0.3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Please help math finals!!!What is the equation of the line that has a slope of 14 and goes through the point (8,−3)
katovenus [111]

I'm taking the same final test.

The answer is y= 1/4x - 5

How? Well in this case we are using the formula y= mx + b

Substituting it with the given point (8, -3) and the slope 1/4

it'll look like -3 = 1/4 (8) + b

Next we solve.

-3 = 1/4 (8) + b

-3 = 8/4 + b

-3 = 2 + b

-2 -3 = b

-5 = b

so we now we know that b = -5.

All we have to do is substitute that into the equation to get our final answer (this time, without the point 8,-3).

Our answer in the end is y = 1/4x -5

7 0
3 years ago
24 is 33 1/3% of what number
Ber [7]

the answer is 72

let me know if you need an explanation

5 0
3 years ago
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