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Lady_Fox [76]
3 years ago
9

How would i use the LCD of 10 to solve 3/15 + 5/15 ?​

Mathematics
1 answer:
Lady_Fox [76]3 years ago
7 0

Answer:

8/15

Step-by-step explanation:

3/15+5/15=8/15

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There are three numbers. The first number is twice the second number. The third number is twice the first number. The sum of the
mel-nik [20]

Answer:

x = 32 y = 16 z = 64

Step-by-step explanation:

x is the 1st number

y is the 2nd number

z is the 3rd number

The first number is twice the second number so

x = 2 y

The third number is twice the first number.

z = 2 x

Their sum is 112

x + y + z = 112

Plus in what we know:

x + y + z = 112

2 y + y + 2x = 112

3y + 2x = 112 Let's solve for y and subtract 2x from each side

3y = 112 - 2x  Divide both sides by 3

y = \frac{112 - 2x}{3}

Now plug our answer back in to solve for x.

x = 2y

x = 2 ( \frac{112 - 2x}{3} )

x = (224 - 4x) / 3    Multiply each side by 3.

3x = 224 - 4x         Add 4x to each side

3x + 4x = 224

7x = 224              Divide each side by 7

7x / 7 = 224 / 7

x = 32

Now we can solve for z.

z = 2x

z = 2 ( 32 )

z = 64

Now we can solve for the numerical value of y.

x + y + z = 112

32 + y + 64 = 112

96 + y = 112       Subtract 96 from each side.

y = 112 - 96

y = 16

5 0
3 years ago
Read 2 more answers
Write a function rule for the relationship. the amount c of energy you burn and the time t you spend exercising, if you burn Cal
gregori [183]

Answer:

c= 12t

c is the amount of energy you burn, so it'll be the "solution" to the equation. Multiply 12 times the amount of time you spend exercising to find how much energy you'll burn.

6 0
3 years ago
Jennifer wants to net $35,000 on her house. Her closing costs will be 7,500 plus a 7% commission. She owes $185,000 on her loan.
GenaCL600 [577]
7,500 plus the commision is 525 now you add it to the 7,500 that will leave you with 8,025 now you subtract it from 185,000 so the answer will be 176,975                        

I'm glad if it helps :)
3 0
3 years ago
Read 2 more answers
Woodfern school has a raffle each year to raise money for the music program the raffle needs to sell 1,500 tickets how many raff
Andrew [12]

Answer:

20

Step-by-step explanation:

1,500/75=20

7 0
3 years ago
−2.73(m+4)=−6m−4.38.
sukhopar [10]

Answer:

m=2

Step-by-step explanation:

-2.73m-10.92=-6m-4.38

3.27m=6.54

m=2

8 0
3 years ago
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