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3 years ago

Why is it important to know how to use area or volume in real life?

2 answers:

6 0

The concepts of area and volume all talk about how much space a 2D or 3D figure occupies. In real life, there are certain jobs that include measuring and geometry, which you will be able to accomplish by your math skills. For example, engineering involves analyzing and modeling certain objects. Even if work is not included, the daily activities we do, sometimes include area and volume. Such as finding a gift box where your gift perfectly fits and measuring your daily water intake.

Have a nice day, i tried my best :DD

Jet001 [13]3 years ago

4 0

It’s important because you may doing something that includes that and you don’t have a ruler etc..

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Plz any1 need help on this question

Andreas93 [3]

Since the intersection is - by definition - common to both sets, we can work out the number of people that use only the fitness suite or the swimming pool.

We know that 57 people use the fitness suite, but 36 of those are already counted in the intersection. So, 57-36=21 people use only the fitness suite.

The same goes for the swimming pool: 49-36=13 people use only the swimming pool.

So, we have:

21 people using fitness suite only
13 people using swimmng pool only
36 people using both

This sums to 21+13+36=70 people. We deduce that 30 people don't use any of the features.

6 0

3 years ago

Suppose the radius of a circle is 8. What is its area?

monitta

The Formula to find the Area of a circle using the radius is:
$A = \pi r^2$

r = 8
So:
$A = \pi r^2$
$A = \pi 8^2$
$A = \pi64$

And you get about 201.06193

So, the area of a circle with a radius of 8 is about 201.06

Hope this Helps :)

3 0

3 years ago

How can i plus and subtract fractions

Alexandra [31]

You would have to find a common denominator

8 0

3 years ago

a farmer has 10 acres to plant in wheat and rye. He has to plant at least 7 acres. However, he has only $1200 to spend and each

Jobisdone [24]

Answer:

4 acres of wheat and 4 acres of rye.

Step-by-step explanation:

Given: Farmer has only 7 acre, he has plant at least 7 acres.

Farmer has only $1200 to spend.

Each acre of wheat will cost $200 and rye will cost $100.

Planting time is only 12 hours

Wheat planting take 1 hour per hour and rye take 2 hours per acre.

Profit on wheat is $500 per acre and rye $300 per acre.

As to find out maximum profit, we need to plant maximum wheat.

While dividing number of acres of land for wheat and rye for plantation, we need to keep two constraint in the mind; Constraint of cost and time as given.

Lets assume few number considering these constraint to get maximum profit.

First assumption, 5 acres of wheat and 2 acres of rye

Time taken= $5\times 1= 5 h\\2\times 2= 2 h$

Total time taken 7 hours

Amount spent= $5\times 200= \$ 1000\\2\times 100= \$ 200$

Total cost is $ 1200.

Profit= $5\times 500= \$ 2500\\2\times 300= \$ 600$

Maximum profit= $3100.

Second assumption, 4 acres of wheat and 4 acres of rye.

Times taken= $4\times 1= 4 h\\4\times 2= 8 h$

Total time taken is 12 hours

Amount spent= $4\times 200= \$ 800\\4\times 100= \$ 400$

Total cost is $1200.

Profit= $4\times 500= \$ 2000\\4\times 300= \$ 1200$

Maximum profit= $3200.

∴ By using hit and trail method, we can see that we are getting maximum profit when farmer is planting 4 acres of wheat and 4 acres of rye.

8 0

3 years ago

What percent of 60 is 51

vova2212 [387]

51=?
60 100

Then you cross-multiply the 51 and the 100 and get 5,100.

Next you take the 5,100 and divide it by the 60 which gives you your final answer of 85%.

4 0

3 years ago