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8_murik_8 [283]
3 years ago
7

it takes 80 pounds of seed to completely plant 9-acre field. how many acre can be planted per pound of seed?

Mathematics
2 answers:
nordsb [41]3 years ago
4 0
Since you're looking for how many acres can be planted per pound of seed, you'd have to divide 9 by 80. That's \frac{9}{80}.

Once divided, you would get 0.1125.

0.1125 ACRES
CAN BE PLANTED PER POUND OF SEED.
faltersainse [42]3 years ago
3 0
You will have to do 9 divided by 80, which is 9/80.
You might be interested in
What is the domain of the function y = l n (StartFraction negative x 3 Over 2 EndFraction).
Ymorist [56]

The domain of the provide function where the function is defined is x less than the number three.

<h3>What is the domain of the function?</h3>

Domain of a function is the set of all the possible input values which are valid for that function.

The function given in the problem is,

y=\ln\left(\dfrac{-x+3}{1}\right)

The above function is the function of logarithm. For the logarithmic function, it is defined for all the real numbers except 0.

Thus, the function should be greater than zero as,

\left(\dfrac{-x+3}{1}\right) > 0\\(-x+3) > 0\\-x > -3

Change the sign of both side, by changing the inequality,

x < 3

Thus, the domain of the provide function where the function is defined is x less than the number three.

Learn more about the domain of the function here;

brainly.com/question/2264373

3 0
2 years ago
Part B
abruzzese [7]

Answer:

The method regarding the sampling to pick 200 sales representative is to make 20 groups of 10.

What is sampling?

Sampling simply means a process that's used in statistics where a predetermined number of observations are selected from the larger population.

In this case, the best way for the sales director to include 200 sales representatives, with an equal number from each region is simply to make 20 groups of 10.

Step-by-step explanation: correct on plato:)

6 0
2 years ago
Using the net below, find the surface area of the triangular prism.
Sveta_85 [38]

160 i believe. to find the area of a triangle act like its a square and divide in half. for squares multiply base by height.

take the area of each shape and add it up

8 0
2 years ago
4x-1/y -3=2 solve for y
Taya2010 [7]
This is the answer it was easier just to write it out

7 0
3 years ago
Rewrite with only sin x and cos x.
Annette [7]

Option A

\cos 3 x=\cos x-4 \cos x \sin ^{2} x

<em><u>Solution:</u></em>

Given that we have to rewrite with only sin x and cos x

Given is cos 3x

cos 3x = cos(x + 2x)

We know that,

\cos (a+b)=\cos a \cos b-\sin a \sin b

Therefore,

\cos (x+2 x)=\cos x \cos 2 x-\sin x \sin 2 x  ---- eqn 1

We know that,

\sin 2 x=2 \sin x \cos x

\cos 2 x=\cos ^{2} x-\sin ^{2} x

Substituting these values in eqn 1

\cos (x+2 x)=\cos x\left(\cos ^{2} x-\sin ^{2} x\right)-\sin x(2 \sin x \cos x)  -------- eqn 2

We know that,

\cos ^{2} x-\sin ^{2} x=1-2 \sin ^{2} x

Applying this in above eqn 2, we get

\cos (x+2 x)=\cos x\left(1-2 \sin ^{2} x\right)-\sin x(2 \sin x \cos x)

\begin{aligned}&\cos (x+2 x)=\cos x-2 \sin ^{2} x \cos x-2 \sin ^{2} x \cos x\\\\&\cos (x+2 x)=\cos x-4 \sin ^{2} x \cos x\end{aligned}

\cos (x+2 x)=\cos x-4 \cos x \sin ^{2} x

Therefore,

\cos 3 x=\cos x-4 \cos x \sin ^{2} x

Option A is correct

7 0
3 years ago
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