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2 years ago

7.8%(54.99)+54.99=?simplify the answer

Mathematics

1 answer:

AleksandrR [38]2 years ago

8 0

QUESTION:

7.8%(54.99)+54.99=?

Simplify the answer

ANSWER:

$\blue{\boxed{59.27922}}$

STEP-BY-STEP EXPLANATION:

First, convert 7.8% to a decimal

$\blue{\boxed{0.078}}$

Second, multiply 0.078 and 54.99

$\blue{\boxed{4.28922}}$

Last, add 4.28922 and 54.99

$\blue{\boxed{59.27922}}$

hope it's helps

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Johnny is selling tickets to a school play. On the first day of ticket sales he sold 14 senior citizen tickets and 4 child ticke

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Johnny is selling tickets to a school play. On the first day of ticket sales he sold 14 senior (S) citizen tickets and 4 child (C) tickets for a total of $200. On the second day of ticket sales he sold 7 senior (S) citizen tickets and 1 child (C) ticket for a total of $92. What is the price of one child ticket?

14S + 4C = 200

14S = 200 - 4C

S = (200 - 4C)/14

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7S = 92 - C

S = (92 - C)/7

(200 - 4C)/14 = (92 - C)/7

7 x (200 - 4C) = 14 x (92 - C)

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2 years ago

The monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical, normal distribution. Th

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Answer:

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Step-by-step explanation:

Given : The monthly amounts spent for food by families of four receiving food stamps approximates a symmetrical, normal distribution. The sample mean is $150 and the standard deviation is $20.

To find : Using the Empirical rule, about 95% of the monthly food expenditures are between which of the following two amounts?

Solution :

At 95% of the data is between two standard deviation to left and right of the mean is given by,

To the left side, $\bar{x}-2\sigma$

To the right side, $\bar{x}+2\sigma$

We have given,

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Substitute in the formula,

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