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prohojiy [21]
3 years ago
14

The average price of a gallon of gas increased by 12% in 2010 and by 10% in 2011. By what percentage did the average price of a

gallon of gas increase between January 1st 2010 and January 1st 2012?
Mathematics
1 answer:
Leto [7]3 years ago
7 0

Answer:

16.67% increase

Step-by-step explanation:

finding the percentage price increase

we need to find the difference in percentage price between the 2 years

12%-10% = 2%

2%/12% x 100% = 100%/6 = 16.67%

20% increase between January 1st 2010 and January 1st 2011

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A metallic cuboid measuring 16cm by 8 cm by 4cm was melted.The material was used to make a cube . What is the length of the cube
Lerok [7]

Answer:

Step-by-step explanation:

The volume of the metal cuboid = length x width x height = 16 x 8 x 3 = 16 x 24 = 384 cm^3

If this same cuboid is going to be reshaped, then

The  volume of the cuboid = The volume of the cube

Therefore,

l^3 = 384

l = \sqrt[3]{384}

l = 7.268..

l = 7.27cm ( 2dp)

Hope this helps.

8 0
3 years ago
Help please.<br> Algebra.
Crazy boy [7]

Answer:

D would be the correct answer.

As you can see in the second equation, y is already isolated. So, we can substitute it into the first equation, to solve for x.

Let me know if this helps!

8 0
2 years ago
6(2u +2) + 7u + 3 = 6(u +5) - 2u
WITCHER [35]

Answer:

u=1

Step-by-step explanation:

6x2u+12+7u+3=6u+30-2u=19u+15=4u+30=19u=4u+15

7 0
2 years ago
Read 2 more answers
PEOPLE WHO ARE GOOD AT MATH CAN YOU PLEASE HELP ME!!!
OlgaM077 [116]

The cost of using 19 HCF of water is $32.49

Given in the question:

The monthly cost (in dollars) of the water use (in dollars) is a linear function of the amount of water used (in hundreds of cubic feet, HCF)

The cost for using 17 HCF of water is using $32.13

and, the cost of using 35 HCF is $61.83.

To find the cost of using 19 HCF of water.

Now, According to the question:

The cost for using 17 HCF of water is  $32.13

and, the cost of using 35 HCF is $61.83.

To find the slope:

(17, 32.13) and (35, 61.83)

Slope = (61.83 - 32.13)/ (35 - 17) = 1.65

We know that:

Formula of slope :

y = mx + b

32.13 = 1.65 x 17 + b

b = 1.14

The equation will be :

C(x) = 1.65x + 1.14

Now, To find the cost of using 19 HCF of water.

C(19) = 1.65 × 19  + 1.14

C(19) = $32.49

Hence,  the cost of using 19 HCF of water is $32.49.

Learn more about Slopes at:

brainly.com/question/3605446

#SPJ1

6 0
10 months ago
Plz help due tonight
rusak2 [61]

Answer:

The bottom left square of the triangle in 90 degrees always so take 90 + 40 giving you 130,

a Triangle has 180 degrees in total so 180 -130 = 50 degrees for the last side

5 0
2 years ago
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