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Vesnalui [34]
3 years ago
11

HELP ME PLZ I NEED HELP

Mathematics
1 answer:
german3 years ago
5 0

Answer:

A

Step-by-step explanation:

\frac{12}{a} = \frac{9}{b} => 12b = 9a

12 * 1.5 = 9 * 2

18 = 18

This option works

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12% Of 79 Would be 9.48. Hope this helped :)
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Put the following values in order from smallest to largest. 40% 1/4 1/3 0.3 85% 0.08
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Answer:

0.08

1/4

0.3

1.3

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85%

Step-by-step explanation:

Try converting all of these numbers to decimal. 40% would be 0.4, 1/4 would be 0.25, 1/3 would be 0.3 repeating, and 85% would be 0.85. From there, reordering the numbers is pretty easy.

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Shay works each day and earns more money per hour the longer she works. Write a function to represent a starting pay of $20 with
Masja [62]

Answer:

  • <u>Function</u>: p(x)=20(1.04)^x
  • <u>Range</u>: option D. 20 ≤ x ≤ 27.37

Explanation:

The function must meet the rule that the pay starts at $20 and it increases each hour by 4%.

A table will help you to visualize the rule or pattern that defines the function:

x (# hours)        pay ($) = p(x)

0                        20 . . . . . . . .  [starting pay]

1                         20 × 1.04 . . . [ increase of 4%]

2                        20 × 1.04² . . . [increase of 4% over the previous pay]

x                        20 × 1.04ˣ

Hence, the function is:     p(x)=20(1.04)^x

The range is the set of possible outputs of the function. To find the range, take into account that this is a growing exponential function, meaning that the least output is the starting point, and from there the output will incrase.

The choices name x this output. Hence, the starting point is x = 20 and the upper bound is when the number of hours is 8: 20(1.04)⁸ = 27.37.

Then the range is from 20 to 27.37 (dollars), which is represented by 20 ≤ x ≤ 27.37 (option D from the choices).

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Answer:

( -3 , -4 )    

Step-by-step explanation:

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