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Ilia_Sergeevich [38]
3 years ago
12

Matthew drove 189 miles in 7 hours. If he continued at the same rate, how long would

Mathematics
1 answer:
Viktor [21]3 years ago
4 0
The answer is 594 miles
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If s(x) = 2-x² and t(x) = 3x, which value is equivalent to (sot)(-7)?
Sedaia [141]

Answer:

-14+63x²

Step-by-step explanation:

(sot)=s(tx)

=s(3x)

=2-(3x)²

=2-9x²

(sot)(-7)=-7(2-9x²)

=-14+63x²

I hope I helped

and of I am correct mark my answer as brainliest

8 0
2 years ago
In a certain year, the price of gasoline rose by 20% during January, fell by 20% during February, rose by 25% in March, and fell
satela [25.4K]

Using decimal multipliers, it is found that the value of x is of 16.67.

<h3>What is a decimal multiplier?</h3>

Increases of a% or decreases of a% re represented by decimal values, as follows:

  • The equivalent multiplier for an increase of a% is given by: \frac{100 + a}{100}
  • The equivalent multiplier for an decrease of a% is given by: \frac{100 - a}{100}

In this problem:

  • The price at the beginning of January was of a.
  • Increase of 20% in January, hence 1.2a.
  • Decrease of 20% in February, hence 1.2(0.8)a.
  • Increase of 25% in March, hence 1.2(0.8)(1.25)a.
  • Decrease of x% in April, hence 1.2(0.8)(1.25)\left(\frac{100 - x}{100}\right)a

The price of gasoline at the end of April was the same as it had been at the beginning of January, hence:

a =1.2(0.8)(1.25)\left(\frac{100 - x}{100}\right)a

1.2\left(\frac{100 - x}{100}\right) = 1

\left(\frac{100 - x}{100}\right) = \frac{1}{1.2}

\frac{100 - x}{100} = 0.8333

100 - x = 83.33

x = 16.67

The value of x is of 16.67.

To learn more about decimal multipliers, you can take a look at brainly.com/question/24952336

6 0
2 years ago
Solve the following equation x²=64​
Mrac [35]

Answer:

x=8 or x=−8

Step-by-step explanation:

8 0
3 years ago
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Joe made a scale model of his fathers sports car. The length of the actual car is 24 feet long. Joe's model is 6 inches long. if
dlinn [17]
The answer will be 192 sq ft
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3 years ago
The Big Paint “Mix-Up”
sladkih [1.3K]

Answer:

1. 8 quarts of blue

2. 12 quarts of yellow

3. 10 pints of red

4. 24 pints of yellow

5. 16 quarts of light blue

6. 9 quarts of red

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3 years ago
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