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zmey [24]
3 years ago
7

The rabbits ate three fifths of the celery crop in each of 8 gardens. What fraction of celery crop did they eat in all?

Mathematics
1 answer:
mezya [45]3 years ago
5 0

Answer:

The answer is a

Step by step

Multiplication

8×5 = 40

8×3 = 21

21/40

Step-by-step explanation:

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A culture started with 1,000 bacteria. After 3 hours, it grew to 1,100 bacteria. Predict how many bacteria will be present after
ss7ja [257]
The general equation for exponential growth can be written as:
x_{t} = x_{0} (1+r)^{t}
where r is the growth rate.
Plugging in the given values, we get:
1100=1000(1+r)^{3}
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(1+r)^{3}=1.1
giving
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5 0
3 years ago
1) 8n - 40 = 6(8 + 5n)
Leviafan [203]

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8 0
3 years ago
Read 2 more answers
The length of a rectangle is four times its width. If the area of the rectangle is 324m^2, find its perimeter.
Anuta_ua [19.1K]

Answer:

perimeter=90

Step-by-step explanation:

We know that the length is four times the width, so:

l=4w

We also know the area, which is 324 m². The formula for area:

A=l*w

Insert the known values:

324=(4w)*w

Solve for w. Simplify by removing parentheses:

324=4w*w\\324=4w^2

Divide 4 from both sides to isolate the variable:

\frac{324}{4}=\frac{4w^2}{4}  \\\\81=w^2

Find the square root of both sides:

\sqrt{81} =\sqrt{w^2} \\\\w=9

The width is 9 m.

We know the width. Now find the length by using the area formula and inserting known values:

324=l*9

Solve for l. Divide both sides by 9:

\frac{324}{9}=\frac{l*9}{9}\\\\  l=36

The length of the rectangle is 36. (You can check: 4 times 9 is 36)

Now find the perimeter:

P=2l+2w

Insert values:

P=2(36)+2(9)\\\\P=72+18\\\\P=90

The perimeter is 90 m.

5 0
3 years ago
Find the mean of the boys
gladu [14]

Answer:

14 is the mean of boys

Step-by-step explanation:

8 0
3 years ago
Will someone please help me with this
musickatia [10]

Answer:

B. f(-5) = -70

Step-by-step explanation:

f(-5)= 10(-5) - 20

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f(-5) = -70

3 0
3 years ago
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