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ehidna [41]
3 years ago
13

1.) The price of gasoline went from $3.60 to $2.70 per gallon. What was the percentage decrease in the price of gasoline per gal

lon?
A.) 20% decrease

B.) 22.5% decrease

C.) 25% decrease

D.) 33.33% decrease

E.) None of these choices are correct.
Mathematics
1 answer:
Ganezh [65]3 years ago
3 0

Answer:

Choice C

Step-by-step explanation:

3.60 - (3.60/2.70) = 25%

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A recipe calls for 1 2/3 cups of sugar. If you
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Answer: 5

Step-by-step explanation: You have to multiply 1 2/3 and 3.

I hope this helps you out!

7 0
3 years ago
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A dolphin in an aquarium is 12 feet long. A scale model of the dolphin is 3.5 inches long. What is the scale factor of the mode?
polet [3.4K]

 Assuming the life sized dolphin is 12 ft long, what we want to know is what factor do you multiply 12 ft by to get 3.5 inches so converting this to an equation gives: 12*f=3.5 solving for f gives f=3.5/12=.29166...The units on the factor are inches/foot.

        So to get the size if anything linear in the small scale you just multiply it's dimension in the full scale by f.

3 0
3 years ago
What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid?
lana66690 [7]

Answer:

The effect of doubling all the dimensions of a triangular pyramid will have on the volume of the pyramid is to increase it by 8 times.

Step-by-step explanation:

i) volume of triangular pyramid  = \frac{1}{3} \times Area \times height

     = \frac{1}{3} \times (Base of triangle \times perpendicular height of triangle) \times height

ii) if we double all the dimensions then the three variables((Base of triangle, perpendicular height of triangle, height of pyramid) will be doubled

  and the volume of the new pyramid will be 8 times that of the original one.

3 0
3 years ago
The sum of 4 consecutive even integers is -4. What are the integers?
Lina20 [59]

Answer:

-4, -2, 0, 2

Step-by-step explanation:

the expression for the integers are; x, x +2, x + 4, x + 6

4x + 12 = -4

4x = -16

x = - 4

your integers are; -4, -2, 0, 2

if you add those your answer will be -4

8 0
3 years ago
Kevin has 16 ounce can of mixed nuts he gives 1/2 of the mixed nuts to his sister. He then eats 3/4 of the remaining nuts. How m
mixas84 [53]

Kevin will be left with 2 ounces of mixed nuts in the can

Step-by-step explanation:

Given

Total nuts = 16 ounces

As Kevin gave 1/2 of the nuts to his sister, he will be left with

= \frac{1}{2} * 16\\= 8

He is left with 8 ounces of mixed nuts

The he eats 3/4 of the remaining

= \frac{3}{4} * 8 \\= 6\ ounces

so he is left with 8 - 6 = 2 ounces of mixed nuts

Hence

Kevin will be left with 2 ounces of mixed nuts in the can

Keywords: Fractions, operations on fractions

Learn more about fractions at:

  • brainly.com/question/1466393
  • brainly.com/question/1465430

#LearnwithBrainly

8 0
3 years ago
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