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LenKa [72]
3 years ago
9

I only need help on the estimate problems

Mathematics
1 answer:
Lena [83]3 years ago
8 0
1. 140,00
2. 1,004,000
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4. A map has a scale of 1 inch = 100 miles. The distance between two cities is 7.25 inches. If a car travels
motikmotik

Answer:

14.5 hours/14 hours 30 minutes

Step-by-step explanation:

  • The distance between the two cities is 7.25•100=725 because you multiply the scale distance by the scale.
  • The number hours is 725/50=14.5 hours because you divide the distance by 50 (the miles per hour).
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2 years ago
Simplify the expression: z2 – z(z + 3) + 3z a. 2z2 + 6z b. z + 3 c. 6z d. 0
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3 years ago
The residual plot for a data set is shown. Based on the residual plot, which statement best explains whether the regression line
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Yes, the correct answer for that is C.


6 0
2 years ago
7 is one tenth of what number
Sloan [31]

<u><em>Answer:</em></u>

70


<u><em>Explanation:</em></u>

Assume that the number we are looking for is x

one tenth is interpreted into \frac{1}{10}


Now, we know that one tenth of the number is 7, this means that:

\frac{1}{10} * x = 7


Solve for x by multiplying both sides of the equation by 10, we get:

\frac{1}{10} * x * 10 = 7 * 10

x = 70


Hope this helps :)

5 0
3 years ago
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What is the surface area of a cylindrical ring where the diameter of the cross section is 6.3 in and the center line has a lengt
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The surface area of the cylindrical ring is given by
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The answer is C. 950.02 in^2
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3 years ago
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