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kobusy [5.1K]
3 years ago
7

One hose can fill a pool in 12 hours. another hose can fill the same pool in 8 h

Mathematics
1 answer:
just olya [345]3 years ago
3 0
Answer: 4.8 hours

Explanation:

One hose can fill a pool in 12 hours.
The other house can fill the same pool in 8 hours.

If they fill the pool together, 
 \text {Time Needed } =  \cfrac{12 \times 8}{12 + 8} = 4.8 hours

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What is the answer to the recipe says she needs 480 grams of pasta for 4 people. how many kilograms will she need for 14?
CaHeK987 [17]
Use a proprtion to solve:\frac{480 grams}{4 people} =  \frac{x}{14 people}
Cross Multiply:                 480 · 14 = 4 · x
Divide both sides by 4: \frac{480 x 14}{4} = x
                                             1680 = x

Answer: she will need 1680 grams
4 0
3 years ago
Carrie usa 6 limones para hacer 24 onzas líquidas de limonada. Carrie está planeando una gran fiesta y necesita hacer 288 onzas
lord [1]

Answer:

72 lemons

Step-by-step explanation:

Carrie uses 6 lemons to make 24 fluid ounces of lemonade. Carrie is planning a big party and needs to make 288 fluid ounces of lemonade. How many lemons will she need to use to keep the recipe proportional?

Hence:.

24 fluid ounces = 6 lemons

288 fluid ounces = x lemons

24 x = 288 × 6

x = 288 × 6/24

x = 72 lemons

6 0
2 years ago
A high-speed train travels 480 km from Paris to Grenoble, France, at an average speed of 180 km/h. How long will it take the tra
Mekhanik [1.2K]
Speed of the train = 180km/hr
Now, distance from Grenoble to Paris = 480 km
Speed = Distance/Time

We know the speed and distance.So, from this we can find time :)
180 km/hr = 480 km /Time
Time = 480/180 = 2.66 hrs ≈ 2.7 hr
Therefore, the answer is D.2.7 hr
6 0
3 years ago
WILL GIVE YOU BRAINLIEST
S_A_V [24]

Answer:

AB = 20 tan55°

Step-by-step explanation:

Using the tangent ratio in the right triangle

tan55° = \frac{opposite}{adjacent} = \frac{AB}{BC} = \frac{AB}{20} ( multiply both sides by 20 )

20 tan55° = AB

8 0
3 years ago
In survey 17/25 of the people surveyed have a cat. what percent of the people surveyed have a cat?
mestny [16]

Answer:

The percentage of the people surveyed that have a cat is 68%

Step-by-step explanation:

we know that

To find the percentage of the people surveyed that have a cat, multiply the given fraction by 100

so

\frac{17}{25}*100=17*4=68\%

7 0
3 years ago
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