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3 years ago

6

Katie earns $8 per hour at her paint job. Her boss gives her a raise of 15%. What is Katie’s hourly wage after her raise? How mu

ch will Katie earn for working a 25- hour work week

2 answers:

kodGreya [7K]3 years ago

7 0

Answer: $9.20 hourly 230 dollars for 25 hour work week

Step-by-step explanation:

Amanda [17]3 years ago

7 0

Answer: 9.20$ hour and 230$ after 25 hours

Step-by-step explanation:

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On the first day of sales the school sold 3 senior citizen tickets and 9 child tickets for a total of $75. The school took in $6

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<u>ANSWER:</u>

The price of senior citizen ticket is $4 and price of child ticket is $7.

<u>SOLUTION: </u>

Given, first day of sales the school sold 3 senior citizen tickets and 9 child tickets for a total of $75.

The school took in $67 on the second day by selling 8 senior citizen tickets and 5 child tickets.

We need to find what is the price each of one senior citizen tickets and one child tickets.

Let, the price of senior citizen ticket be "x" and price of child ticket be "y"

Then according to the given information,

3x + 9y = 75

x + 3y = 25 [by cancelling the common term 3.

x = 25 – 3y ---- (1)

And, 8x + 5y = 67 ---- (2)

Substitute (1) in (2)

8(25 – 3y) + 5y = 67

200 – 24y + 5y = 67

5y – 24y = 67 – 200

-19y = -133

y = $\frac{133}{19}$

y = 7

Now substitute y value in (1)

x = 25 – 3(7)

x = 25 – 21 = 4

Hence, the price of senior citizen ticket is $4 and price of child ticket is $7.

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2 years ago

A drop of oil makes a circular ring in a water puddle. The radius of the oil ring expands at 1.5 cm per second. If r(t)=1.5t and

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Answer:

$a(t) =n(0.25t^2)$

Step-by-step explanation:

Given

$r(t) = 0.5t$

$a(r) = nr^2$

Required

Determine the area in terms of time

From the question, we have:

$r(t) = 0.5t$ -> radius per time

and

$a(r) = nr^2$ --> area from radius

The interpretation of the question is to find the composite function: a(t)

If $a(r) = nr^2$ , and $r(t) = 0.5t$ , the

Substitute 0.5t for r

$a(t) =n(0.5t)^2$

$a(t) =n*0.25t^2$

$a(t) =n(0.25t^2)$

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Answer:

Step-by-step explanation:

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Answer B.
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Given the linear correlation coefficient r and the sample size n, determine the critical values of r and use your

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The critical value of r is mathematically given as r = +0.487, with no significant linear correlation. Option A.

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Question Parameters

r = -0.868

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Generally, there exists no linear correlation between the Critical values

as r=0.878

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