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3 years ago

Without drawing the graph of the function y=1.2x−7, see if the graph passes through points: (100; 113)

Mathematics

1 answer:

madreJ [45]3 years ago

3 0

Answer:

(100,113) is on the graph of y = 1.2x -7

Step-by-step explanation:

y=1.2x−7

Substitute the point in and see if the equation is true

113 = 1.2 (100) -7

113 =120 - 7

113 = 113

This is true, so the point is on the graph

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What percent of 72 is 48 with step by step process

Sedaia [141]

Answer:

67%

Step-by-step explanation:

There are a few methods to finding the percent of a number. You can use proportions:

$\frac{percent}{100}=\frac{48}{72}$

The 'percent' is the percent of the fraction that you are looking for, or 48/72.

Cross-multiply: 72x = (48)(100) or 72x = 4800

Divide both sides by 72: 72x/72 = 4800/72

Solve for 'x': x = 66.6666...

Round 66.666.... to the nearest percent: 67%

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3 years ago

A grocer is stocking cans of beans on his shelf for a 7-day week and will

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Answer:

Step-by-step explanation:

Given inequality:

n ≥ 4d

As the number of days is 7, the number of cans is:

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From the options, the last one is not reasonable:

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2 years ago

Matteo has &400 in his saving account. On average he spends $10 per week on buying apps. Luca has $200 in his savings accoun

n200080 [17]

Answer: By the 8th week.

Step-by-step explanation:

Let the time that matteo and luca have the same amount of money be represented by x.

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400 - 10x = 200 + 15x

Collect like terms

400 - 200 = 15x + 10x

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x = 8

Matteo and Luca will have the same amount of money by the 8th week.

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3 years ago