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3 years ago

Quick help please!!!

Mathematics

1 answer:

yKpoI14uk [10]3 years ago

6 0

Y = 33x + 132
.................................................

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Which of the following scatter plots shows a strong, negative linear association between variables ?

Ivan

Answer:

A is the answer.

Step-by-step explanation:

All of the points are together and the line is going down. PLEASE MARK BRAINLIEST!!!!!!!!!!

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3 years ago

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The data modeled by the box plots represent the battery life of two different brands of batteries that Mary tested. (a) What is

Liula [17]

Answer:

a brand x = 13 (median ) brand y = 16 median

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3 years ago

Work the following pricing problems for services rendered. (For all calculations use hundredths.)

Lesechka [4]

Answer:

Hourly Rate = $12.22 per hour

Step-by-step explanation:

$\text{Labor Time = }4\tfrac{1}{2}=4.5\thinspace{ hours}$

Overhead Rate = 95%

Retail price of parts = $134.75

Total cost of job = $241.98

Cost of labor = Total cost - Retail price

= 241.98 - 134.75

= $107.23

Now, labor works for 4.5 hours and ears a total amount of $107.23

$\implies\text{Amount earned in one hour or hourly rate = }\frac{107.23}{4.5}\\\\\implies \text{Hourly rate = }\$23.83\text{ per hour}$

Now, Labor will get 95% overhead rate

⇒ The labor is getting 100% already but an overhead of 95% is also given

$\text{So, Hourly Rate = }\frac{23.83}{1+0.95}\\\\\bf\implies\textbf{Hourly Rate = }\$12.22\textbf{ per hour}$

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4 years ago

Bottles of sparkling water usually cost $1.69 each. This week they are in sale for 4 for $5. You bought one last week and one th

Phantasy [73]

Answer:

The cost of 1 sparkling bottle in this week is less than last week, so we pay less this week.

We pay $0.44 less this week.

Step-by-step explanation:

Given,

Cost of 1 sparkling bottle last week = $1.69

This week cost of 4 bottles is $5.

So we have to find the cost of 1 bottle.

For this we use the unitary method, we get the cost of 1 bottle;

Cost of 1 sparkling bottle this week = $\frac{5}{4}=\$1.25$

The cost of 1 sparkling bottle in this week is less than last week, so we pay less this week.

For finding how much we pay less this week, we have to subtract cost of 1 sparkling bottle this week from cost of 1 sparkling bottle last week.

Framing the above sentence in equation form, we get;

$Amount\ of\ money\ we\ pay\ less=1.69-1.25=\$0.44$

Hence we pay $0.44 less this week.

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4 years ago

Assume the parent function has been shifted up

mars1129 [50]

Answer:

If $y=(x-2)^2+4$ is the transformed function, then the parent function $y=x^2$ has been shifted up vertically by 4 units and horizontally right by 2 units

Step-by-step explanation:

Assume the function is $y=f(x)$ is the parent function.

A vertical shift,b units up will transform the function to $y=f(x)+b$ .

A horizontal shift $a$ units.

$y=f(x-a)+b$

For instance, if $y=x^2$ , b=4, and a=2 units.

Then the transformed function becomes:

$y=(x-2)^2+4$

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3 years ago

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