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RoseWind [281]
3 years ago
5

a typical marathon is 26.2 miles Aleexis averages 12 km per 1 hour when running in marathons. Use dimensional Analysis to determ

ine how long it would take Aleexis to complete a marathon
Mathematics
1 answer:
yanalaym [24]3 years ago
5 0
3 hours and 51 minutes
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Pls help due soon in about 4 min.
olchik [2.2K]

Answer:

2 gallons

Step-by-step explanation:

4 quarts = 1 gallon

2 pints in a quart

2 cups in a pint

8 ounces in a cup

1/2 gal of orange juice

1/4 gal of milk

1 gal of chocolate milk

1/4 of lemonade

so in total you get 2 gallons! :)

5 0
2 years ago
Evaluate the following expressions using the chip method. SHOW ALL WORK!!!
Mila [183]

Answer:

  • a. -7
  • b. -20
  • c. 7

Step-by-step explanation:

  • a. -9+2, in this case, it is -7 because you take the bigger number and subtract it by the lower number. If the bigger number is negative your answer will be negative, if the bigger number is positive it will be positive it is just really a basic subtraction problem just add the sign.
  • b. In multiplication +++=+ ++-=- and a -+-=+ do your problem without thinking about the signs and then add the signs with the formula I showed you.
  • c. ---=+

Hope this helps :)!

5 0
3 years ago
The figure, polygon ABCD is dilated by a factor of 2 to produce A B C D with the origin as the center of dilation
cestrela7 [59]

In the polygon ABCD, the production of point A' and point D' is (-2,-2)  and (4,-2) respectively.

<h3>What is the transformation rule?</h3>

In coordinate planes, the rule of transformation involves interchanging the x and y values on the plane such that:

\mathbf{(x,y) \to  (k_x, k_y)}

where;

  • k = scale factor

From the given information:

  • The scale factor = 2
  • the origin as a center of dilation for image vertices = (0, 0)

Now, using the coordinate vertices:

  • A = (-1, -1)
  • D = (2, -1)

The corresponding coordinate of the image vertices is as follows:

A(-1,-1) → A'(2 × (-1), 2 × (-1))

A' = (-2,-2)

D(2,-1) → A'(2 × (2), 2 × (-1))

D' = (4,-2)

Learn more about the transformation rule in coordinate planes here:

brainly.com/question/4251601

#SPJ1

7 0
2 years ago
Which of the following is equivalent to the expression?
rodikova [14]

Answer:

A) −3(x3+2x−1)

Step-by-step explanation:

Factor 3-3x^3-6x to get −3(x3+2x−1)

6 0
3 years ago
Can someone help me?
Ivenika [448]

Answer:

18

Step-by-step explanation:

Hope this helps!

3 0
2 years ago
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