3 years ago

Can somebody help me with this?

Mathematics

1 answer:

zheka24 [161]3 years ago

4 0

Answer:

Step-by-step explanation:

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Y² - 11y + 21.25 = 0

Elodia [21]

Answer:

y=17/2 y=5/2

Step-by-step explanation:

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2 years ago

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On which activities did Roxana spend more than 1/2 an hour

jolli1 [7]

What are the activities?

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3 years ago

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Mrs.Frasier is making costumes for the school play. Each costume is 0.75 yards of fabric. She bought 6 yards of fabric. How many

Mandarinka [93]

4 since she can’t make half a costume for a kid (so not 4.5)

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2 years ago

Jane has three boxes she needs to ship. Box X weighs 33 kg more than Box Y and Box Z weighs 12 kg more than Box Y. She

andreyandreev [35.5K]

Answer:

$3w+45=557$

Step-by-step explanation:

Let the weight of box Y be w kg.

Box X weighs 33 kg more than Box Y, then the weight of box X is

$w+33$ kg.

Box Z weighs 12 kg more than Box Y, then the weight of box Z is

$w+12$ kg.

The total weight of all boxes is

$w+(w+33)+(w+12)=w+w+33+w+12=3w+45$ kg

Jane measured the total weight of all the boxes and it was found to be 557 kg, therefore,

$3w+45=557$

$3w=512$

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3 years ago

There were 25 adults and 15 children at a restaurant. what percent of the people were children?

Arada [10]

Answer:

37.5 percent

Step-by-step explanation:

Well, there are 25+15=40 total people. Since there are 15 children, the percent is 15/40, which is equal to .375

Because percent is by hundredths, multiply by 100 by moving the decimal to the right twice, and you have a percentage of 37.5.

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3 years ago