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MAXImum [283]
3 years ago
8

Vishal wants to burn at least 2,400 calories during his weekly workouts. He burns 400 calories per hour swimming and 600 calorie

s per hour rollerblading. He decides to swim for 3 hours this week. How many hours must he rollerblade to reach his goal?
Mathematics
2 answers:
maw [93]3 years ago
8 0

Answer:

2 hours

Step-by-step explanation:

given that the calorie burn rates are:

swimming: 400 cal / hour

rollerblading: 600 cal / hour

If he swims for 3 hours, he will burn:

400 cal / hour x 3 hours

= 1200 cal

Since his goal is 2400 calories, the number of calories that he has left to burn after swimming is:

2400 - 1200

= 1200 calories.

Number of hours of rollerblading to burn 1200 calories

= 1200 calories ÷ 600 calories per hour

= 2 hours

masya89 [10]3 years ago
7 0

Answer:

B. y > = 2

The second part is

A. At least 2

Step-by-step explanation:

Just took it. Edg 2020. Hope this helps :)

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The area of a rectangular field is 7050m^2. If the width of the field is 75m, what is its length?
sweet [91]

Answer:

Step-by-step explanation: Area =length × width

7050m^2 = X× 75m

7050 =75X

Divide both sides by 75

7050÷75 =75÷75

74m= X

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What is the measure of<br> с 78<br> ООО<br> 88<br> 96
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5 0
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Use the spinner to identify the probability to the nearest hundredth of the pointer landing on a non-shaded area. HELP PLEASE!!
Tatiana [17]

the correct answer should be:

1. 0.56

2. 0.31

8 0
3 years ago
Ginger buys lunch at school every day. She always gets
shepuryov [24]

Answer:

The estimated probability that Ginger will eat a a pizza everyday of the week is;

D. 8/10 = 80%

Step-by-step explanation:

The given parameters are;

The frequency with which Ginger buys launch = Everyday

The percentage of the time the cafeteria has pizza out = 80%

The outcome of 0 and 1 = No pizza available

The outcome of 2, 3, 4, 5, 6, 7, 8, and 9 = Pizza available

Therefore, we have the;

Group number  {}                          Percentage of time pizza available

1                     {}                          80%

2                     {}                          80%

3                     {}                          80%

4                     {}                          80%

5                     {}                          40%

6                     {}                          100%

7                     {}                          80%

8                     {}                          100%

9                     {}                          80%

10                     {}                          80%

Therefore, the sum of the percentages outcome the days Ginger eats pizza = 0.8 + 0.8 + 0.8 + 0.8 + 0.4 + 1 + 0.8 + 1 + 0.8 + 0.8 = 8

The number of runs of simulation = 10 runs

The estimated probability that Ginger will eat a a pizza everyday of the week = (The sum of the percentages outcome the days Ginger eats pizza)/(The number of runs of simulation)

∴ The estimated probability that Ginger will eat a a pizza everyday of the week = 8/10

6 0
3 years ago
Read 2 more answers
Plzzz help meeeee!!!!!!!
creativ13 [48]
Let the final score of White Sox = x

the final score of Marlins = y

White Sox won by 2 runs. Thus
x = y +2

White Sox had twice as many runs as Marlins
x = 2y

From the equations,
2y = y + 2

=> 2y - y = 2

=> y = 2

x = 2y = 2×2 = 4

Hence, final score of

White Sox = 4

Marlins = 2
7 0
3 years ago
Read 2 more answers
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