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NISA [10]
3 years ago
8

A kangaroo hops 2 kilometers in 3 minutes

Mathematics
2 answers:
amm18123 years ago
4 0
What is the question
Damm [24]3 years ago
3 0

¿Que estas preguntando?

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Erica makes a banner using 4 sheets of paper. each paper measures 9 inches by 10 inches.what is the total area of arica's banner
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4 years ago
The Hayes family and the Rodrigues family use their sprinklers last summer. The water output rate for the Hayes family sprinkler
Elis [28]

Answer:

  • Hayes family: 35 hours
  • Rodrigues family: 40 hours

Step-by-step explanation:

Let x and y represent the usage hours by the Hayes and Rodrigues families, respectively. The problem statement gives us relations that can be used to write equations for volume of use and for total hours.

  15x +30y = 1725 . . . . . total liters of use

  x + y = 75 . . . . . . . . . total hours of use

The second equation lets us write an expression for y:

  y = 75 -x

This can be substituted into the first equation to give ...

  15x +30(75 -x) = 1725

  -15x + 2250 = 1725 . . . . . . simplify

  -15x = -525 . . . . . . . . . . . subtract 2250

  x = 35 . . . . . . . . . . . . . . divide by -15

  y = 75 -35 = 40

The Hayes family used their sprinklers for 35 hours; the Rodrigues family used theirs for 40 hours.

3 0
3 years ago
I need help with this question!<br><br> HELP!!!!
LenaWriter [7]

Answer:

add 200 for each of the In

Step-by-step explanation:

10 plus 200 is 210

211 = 411

536 = 736

1406 = 1606

5 0
3 years ago
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