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2 years ago

The mechanic does 4 oil changes in 2 hours. How many oil changes can the mechanic do in 8 hours?

Mathematics

2 answers:

astraxan [27]2 years ago

8 0

Answer:

The mechanic does 4 oil changes in 2 hours. How many oil changes Can the mechanic do in 8 hours. My answer is16 oil changes. 4 x 2 =8 and 8+8=16.

Step-by-step explanation:

netineya [11]2 years ago

5 0

Answer:

16.

Step-by-step explanation:

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Manuel bought a shirt and a sweater for a total price of $65. The price of the sweater was $5 more than twice the price of the s

Annette [7]

Answer:

$20

Step-by-step explanation:

Since we are talking about the unknown cost of a shirt AND a sweater, we are dealing with 2 unknowns. However, we can only have one unknown in a single equation or we cannot solve it. The cost of the sweater is based on the cost of the shirt, so the shirt will be our "main" unknown.

Cost of the shirt: x

Since the sweater is $5 more than (this is addition) twice (that is 2 times) the cost of the shirt, the expression for the sweater is 2x + 5

The cost of both is (equals) 65.

x + 2x + 5 = 65 and

3x + 5 = 65 and

3x = 60 so

x = 20

The shirt cost $20 so the sweater had to cost 65 - 20 = 45

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3 years ago

Sarah drove 40 miles per hour. In 3 hours, Sarah drove 120 miles. Which is a valid proportion to represent the problem? StartFra

kaheart [24]

Answer:

120 over 3

Step-by-step explanation:

Distance/time=speed

only other division is distance/speed=time but 120/40 isnt an option

Fractions mean division so 120 over 3 = 120/3

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5 0

3 years ago

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Please help me solve this and the first person to answer gets liked and also gets 5 stars.

iren [92.7K]

Answer: p=31

Step-by-step explanation:

(x^13)(x^6)^3=

(x^13)x^18=

x^31

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3 years ago

Andre took 6 kicks and made 4 goals: 4 out of six. Tom wants to take more than 20 kicks and make a equivalent fraction to Andre.

Zanzabum

Answer:

Tom can either take 24 kicks and make 16 goals or 30 kicks and make 20 goals.

Step-by-step explanation:

Andre made 4 goals out of 6 kicks.

Tom wants to take more than 20 kicks and to make an equivalent fraction to Andre.

Possibility 1:

Let Tom makes 24 kicks.

To get 24, we need to multiply the denominator of Andre's fraction by 4.

So, $\frac{4}{6} =\frac{16}{24}$

Therefore, Tom can take 24 kicks and make 16 goals.

Possibility 2:

Let Tom makes 30 kicks.

To get 30, we need to multiply the denominator of Andre's fraction by 5.

So, $\frac{4}{6} =\frac{20}{30}$

Therefore, Tom can take 30 kicks and make 20 goals.

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3 years ago

5. Vocabulary A _________ is a set of equations that have the same variables.

goblinko [34]

Answer:

Linear equation

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3 years ago

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