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Alinara [238K]
4 years ago
14

Help quick. Need fast. Thx

Mathematics
2 answers:
zhuklara [117]4 years ago
7 0
A)is the right answer
topjm [15]4 years ago
3 0
A. first one is your answer. 
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A car dealership offers customers two pricing options for vehicle repair. Option 1: pay $80 per hour of wok. Option 2: pay a sta
Ierofanga [76]

Answer:

1: The initial value for option one is not charged

The rate of change for option 1 is $80/hr

Step-by-step explanation:

1. From the pricing options at the car dealership we have;

Option 1

Initial value = Not stated

Fee rate per hour of work = $80

Option 2

Standard fee = $100

Fee rate per hour of work = $400

The initial value for option one is not charged

The rate of change = The increase in payment for each increase in one hour of work = $80/hour

Mathematically, we have;

The \ rate  \ of  \ change = \dfrac{\Delta Payment}{\Delta Time} = \dfrac{\$80 - \$0}{1 \, h- 0 \, h} = \$ 80/hr

5 0
3 years ago
Simplify 6n^2 - 5n^2 + 7n^2
dusya [7]
Take out the variable to add the numbers because it is the same variable throughout so 6-5+7=8 then add the n^2 o get 8n^2
3 0
4 years ago
A grade has 81 girls and 72 boys. The grade is spilt into groups that have the same ratio of boys to girls as the whole grade. H
MariettaO [177]
There are 81 girls to every 72 boys in total, which can be represented by 81/72, which put into decimal form, is 1.125. If you then take the number of boys in the group, 16, and multiply it by this number (because the problem states that the ratio is constant) you can find the number of girls in the group.

16*1.125=18

So there are 18 girls in a group with 16 boys.

4 0
4 years ago
Read 2 more answers
Jenny has 63 grapes to put in a fruit salad but she only wants to add 40% of them to the Bowl how many grapes does she use for t
crimeas [40]
You multiply 63  by .40
You get 25.2, so 25 grapes
7 0
3 years ago
Read 2 more answers
What are the domain and range of the function f (x)=4(cubed square root of 81 squared
vlada-n [284]
X = 4 squared should be the answer but if its not let me know
4 0
3 years ago
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