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3 years ago

15

cala uses 2 pounds of feed- all fertilizer for a 100-foot row of vegetables at her farm. At this rate, how many pounds of fertil

zer would she use for a 450-foot row of vegetables

2 answers:

antiseptic1488 [7]3 years ago

8 0

5 pounds of fertilizer = )

umka2103 [35]3 years ago

7 0

Answer:

9 pounds

Step-by-step explanation:

2x450=900

900/100=9

9 pounds of fertilizer

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A Christmas jar contains 550 m&ms. Of all the m&ms, 2/5 are green and the rest are red. What is the ratio of green to re

vazorg [7]

Answer:

2:3 unless it wants it in total, then 220:330

Step-by-step explanation:

it gives you the answer with the fraction. A ratio is basically saying with x:y for every x number of one thing there are y number of another. In this case we know 2/5 will be green, so how many will be red? 3/5. So for every 2 greens there are 3 reds.

Another way of looking at it is for the totals. there are 550 total, so 2/5 of that is green. 2/5 of 550 is 220, while 3/5 is 330 so that means of the 550, the ratio is 220:330. Kinda like simplifying fractions where 220/550 is the same thing as 2/5

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3 years ago

What is the coeffieent of (x^4)(y^4) in the expansion of (x+y)^8

kap26 [50]

ANSWER

The coefficient is 70.

EXPLANATION

The given binomial expression is

$(x+y)^8$

The specific term of a binomial expansion can be determined using the formula,

$T_{r+1}= nC_ra^{n-r}b^r$
where

$n=8,r=4,a=x,b=y$

We substitute these values into the formula to get,

$T_{4+1}= 8C_4x^{8-4}y^4$

We simplify to get,

$T_{5}= 70x^{4}y^4$

Hence the coefficient is 70.

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3 years ago

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zhannawk [14.2K]

Answer:

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Step-by-step explanation:

free points

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Step-by-step explanation:

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