Solve number 4 please.

Mathematics

1 answer:

Anestetic [448]2 years ago

3 0

Answer:

25%

Step-by-step explanation:

4/16 days were under 78 degress

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How do i resolve this?

EleoNora [17]

Solve for y for both equations then equate and solve:

5x + 9y = 160
9y = 160 - 5x
y = 160/9 - 5/9x

9x + 8y = 202
8y = 202 - 9x
y = 202/8 - 9/8x

160/9 - 5/9x = 202/8 - 9/8x (common denominator is 72)

1280/72 - 40/72x = 1818/72 - 81/72x
1818/72 - 1280/72 = 81/72x - 40/72x
538/72 = 41/72x
538 = 41x
538/41 = x
x = 13 5/41

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3 years ago

For breakfast, Mrs. Ryan bought a cup of coffee for $2.18 and a pastry for $1.65. How much change will she get back from $5.00?

Tom [10]

Answer:

1.17

Step-by-step explanation:

5-(2.18+1.65)

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2 years ago

A section of a deck is shaped like a trapezoid. For this section, the length of one base is 41 feet, and the length of the other

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