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blsea [12.9K]
3 years ago
7

Help meeeee this is due today ALOT OF POINTS IF YOU GET IT RIGHT its for a unit test aka alot of my grade and i have a c in this

class
The price of gas rose from $2.40 per gallon in January to $3.00 per gallon in April. What was the percent increase based on the original price?

Sara reduced the time it takes her to run a mile from 12 minutes to 8 minutes. Which is closest to Sara’s percent decrease in the time it takes her to run a mile?

At Marco's Pizza House it costs $4.00 to make a small pizza. If they intend to mark-up the pizza by 80% what will the cost be for customers?
Mathematics
1 answer:
Leya [2.2K]3 years ago
6 0

Answer:

1. is 25%

Step-by-step explanation:

3.00 - 0.6 = 2.4

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Sauron [17]
Well it depends what 'v' stands for

well all you need to do is replace the v with the number it stands for. For example if v=2 then the expression would be 4.2(2) - 5 - 6.5(2)
Then you use the order of operations. first you multiply

8.4 - 5 - 13

then you subtract from left to right 

8.4 - 5 = 3.4

3.4 - 13 =  -13 - 3.4 = -9.4

So IF v=2 (I used 2 as an example, V might not = 2 in your case) then the
answer will be -9.4  

I hope this helped you :3
8 0
4 years ago
The power 9^2 is equivalent to 81. What is the value of 9^-2?
lidiya [134]

Answer:

0.01234567901

Step-by-step explanation:

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5 0
3 years ago
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Hey, can someone plz help me.
PSYCHO15rus [73]

Answer:

3, -1

Step-by-step explanation:

4 0
3 years ago
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Which is true of an adjustable rate mortgage?
stealth61 [152]

Answer:

The rate of interest may vary , totally depends on the market value of that agency or company or the financial agency which is providing the mortgage money at certain rate. So, option (B) the interest rate may change depending on the condition of the economy is true statement regarding adjustable rate mortgage.Step-by-step explanation: hope it helps

5 0
3 years ago
Prove algebraically that the recurring decimal 0.72 =8/11
miskamm [114]

Answer:

see explanation

Step-by-step explanation:

We require 2 equations with the recurring decimal placed after the decimal point.

let x = 0.7272.... (1) ← multiply both sides by 100

100x = 72.7272... (2)

Subtract (1) from (2) thus eliminating the recurring decimal

99x = 72 ( divide both sides by 99 )

x = \frac{72}{99} = \frac{8}{11}

7 0
3 years ago
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