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klasskru [66]
3 years ago
13

A. A farmer irrigates her fields with 120,000 cubic yards of water. She has a 1,000-acre farm. How

Mathematics
1 answer:
horsena [70]3 years ago
8 0

Answer:

120 cc yards of water

Step-by-step explanation:

A farmer has 1,000-acre farm. And she irrigates her fields with 120,000 cubic yards of water. We are asked to find how many cubic feet of water does she apply per acre?

1000 acre is irrigated by = 120000 cc yard of water

Hence 1 Acre is irrigated by

= \frac{120000}{1000} cc yards of water

Hence 1 Acre is irrigated by 120 cc yards of water .

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The sum of a number and eight is doubled. the result is 12 more than the number.
Luda [366]
Sum means additions so n + 8 = (y)
2(y) = n + 12
5 0
4 years ago
Dylan and Beatrice are working with the same function. Dylan input −8 into the function and got an output of 8.
kolbaska11 [484]

Answer:

Part A: If Beatrice inputs −8 into the function, she must get an output of 8.

Part B: (−4,8) , (4,−8) , (8,−4)

Step-by-step explanation:

Part A:

We know that a function is a relation that maps elements from one set (The domain, the set of the inputs) into elements from another set (the range, the set of the outputs)

Such that each input can be mapped into only one output.

Then if we know that our function maps the input -8 into the output 8.

Always that we use this function with the input -8. we will have the same output, 8.

Then we can conclude that the correct option to the first part is:

"If Beatrice inputs −8 into the function, she must get an output of 8. "

Part B:

Remember, -8 is mapped into 8, then the point (−8,4) (this says "-8 is mapped into 4) can never be on the graph of the function.

But the points:

(−4,8) , (4,−8) , (8,−4)

Could be on the graph of the function.

4 0
3 years ago
Corners of equal size are cut from a square with sides of length 8 meters (see figure).
AnnyKZ [126]

we know that

the area of the complete square is equal to

As=b^{2}

where

b is the length side of the square

b=8m

so

As=8^{2}

As=64m²


the area of one corner is equal to the area of a triangle


\frac{x^{2}}{2}

so

the area of 4 corners is equal to

\frac{x^{2}}{2}*4=2x^{2}


the area A of the resulting figure as a function of x is equal to

area of the square minus the area of 4 corners

A=(64-2x^{2})m²


the answer is

A=(64-2x^{2})m²

8 0
3 years ago
Read 2 more answers
A square pyramid has a base edge of 1 meter. the height of each triangular face is 1 meter. what is the pyramid's surface area?
Arada [10]
Area of sq.=1x1=1
Area of 4triangle=4(0.5x1x1)=2
Area of pyramid =1+2=3
6 0
3 years ago
Write 56 as a product of primes.<br> Use index notation when giving your answer.
mixas84 [53]

Answer:

56 as a product of primes using index notation is: \mathbf{2^3 \times 7}

Step-by-step explanation:

We need to write 56 as a product of primes.

Prime Numbers:

<em>Numbers that are divisible by 1 or itself.</em>

Now, writing 56 as product of primes

56 = 2 x 2 x 2 x 7

Now, Use index notation when giving your answer.

Index Notation:

<em>Express elements in power form i.e. if we have 2 x 2 we can write it as 2^2</em>

So, answer will be:

56 = 2 \times 2 \times 2 \times 7

=2^3 \times 7

So, 56 as a product of primes using index notation is: \mathbf{2^3 \times 7}

3 0
3 years ago
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