Calculators are on sale at a price of $1,000 for 20 how many can be purchased for 1250

Mathematics

1 answer:

Kruka [31]3 years ago

8 0

Answer:

25 calculators

Step-by-step explanation:

each calculator costs $50 (1000÷20)

so 1250÷50=25

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A parent increases a child’s monthly allowance by 20% each year. If the allowance is $8 per month now, in about how many years w

Mazyrski [523]

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A parent increases a child’s monthly allowance by 20% each year. If the allowance is $8 per month now. This is an exponential function, An exponential function is given by:

Let x be the number of years and y be the allowance. The initial allowance is $8, this means at x = 0, y = 8

Since it increases by 20% each year, i.e 100% + 20% = 1 + 0.2 = 1.2. This means that b = 1.2
Therefore:

To find the number of years will it take to reach $20 per month, we substitute y = 20 and find x

x = 6 years to the nearest year

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3 years ago

In choice box 1

lisov135 [29]

Answer:

Choice box 1: Always

Choice box 2: exactly 2 pairs

Choice box 3: adjacent

Step-by-step explanation:

If you look at a picture of a kite.

You always see the two top sides the same size and the two bottom sides the same size. Take a look at this picture.