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3 years ago

Find two numbers whose sum is 67 and whose difference is 13

2 answers:

7 0

You have to solve this system of equations to get the answer. One way you could go about that would be to add the systems together. This will eliminate the y and turn it into a single variable algebra problem. x+y=42 x-y=16 ------- 2x = 58 Once you solve that for x, you can plug that result back in to either of the first two equations and solve for y.

goblinko [34]3 years ago

5 0

I believe it's 40 and 27

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Thanks guys for the help. This one and one more and I’m done!

Karolina [17]

Answer: $60n^{3}$

Step-by-step explanation:

To find the least common multiply, you must descompose 12 and 15 into their prime factors, as you can see below:

12=2*2*3=2²*3

15=3*5

Choose the common and non common numbers with their greastest exponents:

3*5*2²=60

Now you must choose the common and non common variables with their greastest exponents:

n³

Therefore, you can conclude that the least common multiply is:

$60n^{3}$

8 0

4 years ago

Read 2 more answers

Sweet t saved 20% of the total cost of the green-eyed fleas new album let three be fleas on the earth .If the regular price is $

Ostrovityanka [42]

Answer:

$6 Sweet t saved on green-eyed fleas new album .

Step-by-step explanation:

As given

Sweet t saved 20% of the total cost of the green-eyed fleas new album .

.If the regular price is $30.

20% is written in the decimal form.

$= \frac{20}{100}$

= 0.20

Thus

Sweet t saved on green-eyed fleas new album = 0.20 × 30

= $6

Therefore $6 Sweet t saved on green-eyed fleas new album .

5 0

3 years ago

1. Max has more than 5 carrots (number of carrots Max has = c).

weqwewe [10]

Answer:

c>5

Step-by-step explanation:

Max has more than 5 carrots. Therefore, the number of carrots he has (c) is greater than 5.

6 0

3 years ago

Question Progress Homework Progress 5/18 Marks The ratio 15:3 in its simplest form is I

AURORKA [14]

1. 15/3:3/3

2. 5:1

1. find the same denominator

2. divide by denominator

5 0

3 years ago

Name each polynomial by degree and number of terms of -7

denis-greek [22]

Answer: i couldn’t find the answer to this one either

Step-by-step explanation:

4 0

3 years ago