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Pani-rosa [81]
3 years ago
13

If a car with an average speed of 50 miles per hour drives for 90 minutes, how far will it have gone?

Mathematics
2 answers:
gayaneshka [121]3 years ago
5 0
90 minutes = 1,5 hours 
Distance = speed * time = 50 * 1.5 = 75 miles (answer).
Irina-Kira [14]3 years ago
5 0

Answer:

Total distance covered by the car is 75 miles.

Step-by-step explanation:

Given information:

Average speed of car = 50 miles per hour

Time = 90 minutes

We know that, 1 hour = 60 minutes

Using this conversion, convert the time in hours.

Time=\frac{90}{60}=1.5\text{ hours}

The formula for distance is

Distance=Speed\times Time

Distance=50\times 1.5

Distance=75

Therefore total distance covered by the car is 75 miles.

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vfiekz [6]

Answer:

x = 1

Step-by-step explanation:

To solve for a variable, you need to get the variable on one side of the equation, and by itself.

4x + 5 = x + 8

4x = x + 3 --- subtract 5 from both sides

3x = 3 --- subtract x from both sides

x = 1 --- divide both sides by 3

3 0
3 years ago
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What is -1/p^-6 ???​
wariber [46]

-  \frac{1}{ {p}^{ - 6} }  =  -  \frac{1}{ \frac{1}{ {p}^{6} } }  =  -  {p}^{6}

4 0
2 years ago
Assumptions of a regression model can be evaluated by plotting and analyzing the ____________
Gala2k [10]

The assumptions of a regression model can be evaluated by plotting and analyzing the error terms.

Important assumptions in regression model analysis are

  1. There should be a linear and additive relationship between dependent (response) variable and independent (predictor) variable(s).
  2. There should be no correlation between the residual (error) terms. Absence of this phenomenon is known as auto correlation.
  3. The independent variables should not be correlated. Absence of this phenomenon is known as multi col-linearity.
  4. The error terms must have constant variance. This phenomenon is known as homoskedasticity. The presence of non-constant variance is referred to heteroskedasticity.
  5. The error terms must be normally distributed.

Hence we can conclude that the assumptions of a regression model can be evaluated by plotting and analyzing the error terms.

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4 0
2 years ago
The volume of a cube is 216mm3.What is the length of its side?
Studentka2010 [4]
Steps:
216 mm3 is the volume.

Given the volume, you can take the cube root of the volume to find the side.
The cube root of 216 is 6.

Answer: 6
8 0
2 years ago
Solve the equation 3x + 4y = 16 for x.
Neko [114]

Answer:

3x + 4y = 16  The rule is you can do any valid operation on both sides of an equation and it will still be equal. Subtract 4y.

3x = -4y + 16  Divide by 3.

x = -4y/3 + 16/3  Answer B.

6 0
2 years ago
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