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sergij07 [2.7K]
3 years ago
13

please help me. the boat traveled up the river at 15 miles an hour to reach their campsite 90 miles up the river, the Rogers tra

veled twice as long in the afternoon as they did in the morning. how long did they travel in the morning? thank you​
Mathematics
2 answers:
irga5000 [103]3 years ago
4 0

Answer:

30 miles in the morning and 60 in the afternoon.

Step-by-step explanation:

15+15= 30 or 2 hours

15+15+15+15= 4 hours (60miles)

Elina [12.6K]3 years ago
4 0

Answer:

2 hours

Step-by-step explanation:

If they traveled 15 miles/hour, then after 4 hours they would have traveled 60 miles, because 60/4 is equal to 15/1. This is how long it took in the afternoon.

Let M=Morning Hours, and A=Afternoon Hours. If the afternoon took twice as long as the morning, then A = 2M. We already know the afternoon trip took 6 hours, so 4 = 2M.

Divide each side by 2, and M = 2.

Or just split the afternoon hours in half.

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A moving truck can carry no more than 1,480 pound of cargo. Brian loaded 640 pounds into the truck already. He is loading boxes
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Answer:

I'm not really sure that my answer is correct, but if you divide 640 by 70 you get 9, so Brian can put 9, 70 pound boxes in the truck.

Step-by-step explanation:

3 0
3 years ago
How many pounds are there in a kg
Dafna11 [192]
1 lb = 0.45359237 kg
8 0
3 years ago
Find the correct value for x in the point (x, 15), which is a point on the line in the graph below
slega [8]
The answer would be x = 16
4 0
3 years ago
A ball of radius 14 has a round hole of radius 4 drilled through its center.
gladu [14]

The volume of the spherical solid resulting of the drill is of 11,226 units³.

<h3>What is the volume of a sphere?</h3>

The volume of a sphere of radius r is given as follows:

V = \frac{4\pi r^3}{3}

In this problem, we have two spherical balls, one of radius 14 and other of radius 4, hence their volumes are given as follows:

V_1 = \frac{4\pi 14^3}{3} = 11494

V_2 = \frac{4\pi 4^3}{3} = 268

The volume of the resulting solid is the difference of the volumes, hence:

V = 11494 - 268 = 11,226 units³.

More can be learned about the volume of a sphere at brainly.com/question/25608353

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8 0
2 years ago
During the basketball season, Cory made 21 of the 60 baskets she attempted. Krista made 16 out of 40 baskets she attempted. Paul
Bas_tet [7]

Given:

Cory made 21 of the 60 baskets she attempted.

Krista made 16 out of 40 baskets she attempted.

Paul made 17 of the 50 baskets she attempted.

Sally 11 of the 55 she attempted.

To find:

Who had the greatest percentages of baskets made?

Solution:

We know that,

\text{Percentage of baskets made}=\dfrac{\text{Baskets made}}{\text{Total attempts}}\times 100

Using this formula, we get

\text{Cory's percentage of baskets made}=\dfrac{21}{60}\times 100=35\%

\text{Krista's percentage of baskets made}=\dfrac{16}{40}\times 100=40\%

\text{Paul's percentage of baskets made}=\dfrac{17}{50}\times 100=34\%

\text{Sally's percentage of baskets made}=\dfrac{11}{55}\times 100=20\%

From the above percentages 40% is maximum.

Therefore, Krista has greatest percentage of baskets made.

8 0
3 years ago
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