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Mnenie [13.5K]
3 years ago
9

13. How long will a man take to cover

Mathematics
2 answers:
Ksivusya [100]3 years ago
6 0
One hour an 45 minutes
scoray [572]3 years ago
3 0

7km/ 4km per hour = 1 3/4 hours

3/4 hour = 45 minutes

Total time = 1 hour and 45 minutes.

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Solve 4x - 3 = 18. Round to the nearest thousandth.
lorasvet [3.4K]

Answer:

x=5.250

Step-by-step explanation:

We have been given an equation 4x-3=18. We are asked to solve our given equation.

First of all, we will add 3 to both sides of our equation.

4x-3+3=18+3

4x=21

Now, we will divide both sides of our equation by 4.

\frac{4x}{4}=\frac{21}{4}

x=5.25

Upon rounding our answer to nearest thousandth (3 places after decimal) we will get,

x=5.250

Therefore, the solution for our given equation is x=5.250.

6 0
3 years ago
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timurjin [86]
The ratio of 186:76 can be simplified to 93:38 if we divide both numbers by 2.
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A bottle of orange juice contains 750 mg of vitamin C and has 6 servings. A bottle of
Llana [10]

Answer:

The bottle of orange juice will have higher amounts of vitamin C per serving, as it will have 125 mg against 90 mg of the cranberry juice.

Step-by-step explanation:

To determine the amount of vitamin C in each serving of fruit juice, knowing that the bottle of orange juice contains 750 mg of vitamin C and 6 servings, while the bottle of cranberry juice contains 135 mg and 1.5 servings, you must perform the following calculation:

Orange: 750/6

Orange: 125 mg per serving

Cranberry: 135 / 1.5

Cranberry: 90 mg per serving

Thus, the bottle of orange juice will have higher amounts of vitamin C per serving, as it will have 125 mg against 90 mg of the cranberry juice.

4 0
3 years ago
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Solve: m-9=3(1/4m+4)-20
FrozenT [24]

Answer: M = -20

Too easy

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I think its 3.33 not for sure

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