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Verizon [17]
3 years ago
8

the ratio of girls to boys at a school dance was 5:2 if there were 70 girls at the dance, How many boys were at he dance? "use p

roportion and either and equivalent fraction to solve
Mathematics
2 answers:
11Alexandr11 [23.1K]3 years ago
7 0
This is saying that 5/2=70/x in order to solve you make the equation x=70/(5/2) which would be 140/5 or 28 boys
QveST [7]3 years ago
6 0
The answer is 67 because
5-2=3
70:67
67+3=70
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Please help me with this​
Vladimir [108]
I also suggest using an app called photomath. It takes you through the steps of solving the equations and gives you the answer as well.

8 0
3 years ago
Read 2 more answers
Jim is showing his work in simplifying (−8.5 + 6.1) − 1.3.
dexar [7]

9514 1404 393

Answer:

  In step 4, Jim's answer is incorrect.

Step-by-step explanation:

In step 1, Jim swaps the order of addends using the commutative property of addition.

In step 2, Jim uses the distributive property to factor -1 from the final two terms. (The associative property lets Jim move parentheses.)

  6.1 +(-8.5 -1.3) . . . associative property

  6.1 +(-1)(8.5 +1.3) . . . distributive property

In step 3, Jim has used the properties of real numbers to form the sum of two of them.

In step 4, Jim wrote an answer of 1.1, when the answer should have been -3.7. Jim's answer is incorrect.

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The descriptive statements about steps 2 and 4 are both true.

8 0
3 years ago
Write a recursive rule for the sequence.<br> –2, 4, –8, 16, . . .
VMariaS [17]

a_{n} = (-2)^{n}

4 0
3 years ago
PLZZZZ ANSWER THIS..
slamgirl [31]

Answer:

In 3 - 5:  

3 + (-5), and -5 + 3

In 5 - 3:

5 + (-3), and -3 + 5

Step-by-step explanation:

Category : 3 - 5

Values must equal -2

3 + (-5) = 3 - 5 = -2

-5 + 3 = -2

Category : 5 - 3

Values must equal 2

5 + (-3) = 5 - 3 = 2

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If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

6 0
2 years ago
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Zielflug [23.3K]
If you do the long division you'll see that it is x - 2.
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3 years ago
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