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zloy xaker [14]
3 years ago
14

How do I solve this equation by linear combinations

Mathematics
1 answer:
Tatiana [17]3 years ago
7 0
What’s the equation given ?
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The ratio of boys to girls in hometown is 2:3. If there are 8 boys, how many girls are there?
Ilya [14]

Answer: If the radio boys to girls is 2:3 you can solve the problem with equivalent fractions: 2/3 = 8/x , to be equivalent you have to multiply the numerator and denominator by the same number, which for this case has to be 4. The answer is: if there are 8 boys , there are 12 girls

6 0
3 years ago
Kenny is on the local swim team for the summer and has swim practice
AnnyKZ [126]

Answer:

She swims for 3 hours each morning.

Step-by-step explanation:

To determine the number of hours that Kenny swims in the morning, it is necessary to perform the following equation, taking into account that he swims 5 days a week for a total of 30 hours a week, and that in the afternoon he swims for 3 hours:

X + 3 x 5 = 30

X + 3 = 30/5

X = 6 - 3

X = 3

Therefore, Kenny swims for 3 hours in the morning.

3 0
3 years ago
Below is a piece of Kulliwari Art created by Michael J. Connolly, titled The Rainbow Serpent. Calculate the area of the image co
natita [175]

Answer:

80+100 equal 180

Step-by-step explanation:

because if u add 80+100 equal 180

4 0
3 years ago
Find the product. ( 5xy) ( 7xy)
german

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35x^2y^2

Step-by-step explanation:

just multiply and combine like terms

5 0
3 years ago
An element with a mass of 120 grams decays by 27.5% per minute. To the nearest tenth of a minute, how long will it be until ther
tangare [24]

Answer:

12.7

Step-by-step explanation:

its right

7 0
2 years ago
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