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AlekseyPX
3 years ago
15

Paula's time swimming in the Ironman Triathlon was 1 hour 25 minutes. Her time biking was 5 hours longer than her swimming time.

She ran for 4 hours 50 minutes. How long did it take her to complete all three parts of the race? Use the model to help you organize your thinking.
Mathematics
1 answer:
Andre45 [30]3 years ago
6 0

Answer: 12 hrs 40 mins

Step-by-step explanation:

The swimming time was 1 hour 25 minutes.

Her biking time was 5 hours longer than the swimming time so it was:

= 1 hr 25 mins + 5 hours

= 6 hours 25 mins

Her running time was 4 hrs 50 mins.

Add them all up to find the amount of time ran. First add up the minutes:

= 25 + 25 +50

= 1 hr 40 minutes

Hours = 1 + 6 + 4

= 11 hours

Total:

= 11 + 1 hr 40

= 12 hrs 40 mins

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Devon purchased one bag of dog food and three bags of cat food. Each bag of dog food weighs x pounds and each bag of cat food we
likoan [24]

Answer:

A pound of cat food will weigh 6.5 pounds

Step-by-step explanation:

Firstly, we need to get the value of x. Thus, let’s solve the equation at hand;

x + 3x/2 = 32.5

x + 1.5x = 32.5

2.5x = 32.5

x = 32.5/2.5

x = 13

Now from the question, we are made to know that a pound of cat food measures half of what a pound of dog food measures

Since we calculate a pound of dog food to weigh 13 pounds, a pound of cat food will weigh = 13/2 = 6.5 pounds

6 0
4 years ago
Mis the midpoint of AN, A has coordinates (-5,-5) and M has coordinates (3, 4) Find the coordinates of N.
NemiM [27]

Answer:

N(11 , 13)

Step-by-step explanation:

M(3,4) = (x,y)

A(-5, -5) = (x1,y1)

N (  )=(x2,y2)

using midpoint formula;

M(x,y)=(x1 + x2)/2 , (y1 + y2)/2

(3,4)= (-5 + x2)/2 , (-5 + y2)/2

Now;

3 = (-5+x2)/2                                                      4 = (-5 +y2)/2

6 = -5 +x2                                                            8 = -5 +y2

6+5 = x2                                                               8+5=y2

x2=11                                                                    y2 = 13

8 0
3 years ago
Amia went to a flower farm and picked fff flowers. When she got home, she put the flowers in 4 vases, with 22 flowers in each va
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If you are looking for the total number of flowers the equation should be 22 multiplied by 4 to get 88
3 0
4 years ago
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andreev551 [17]

Answer:

f(x) = 6x -12

Step-by-step explanation:

We must write the function of the line in the form f (x) = mx + b

First calculate the slope m

m =\frac{y_2-y_1}{x_2-x_1}

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m= \frac{18-6}{5-3} = 6

Then

f(x) = 6x +b

To have b replaced a point in the function

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Finally the function is

f(x) = 6x -12

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