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3 years ago

Use estimation to check the answer to this story problem.

Mathematics

2 answers:

aniked [119]3 years ago

4 0

C.<span>The answer should be about 8,000 yards. The student's answer is not correct. because 765*11=8415
</span>

Lelechka [254]3 years ago

3 0

Here, the answer would be: 765 * 11 = 8415 [ About 8 thousands ]

In short, Your Answer would be Option C) <span>The answer should be about 8,000 yards. The student's answer is not correct.

Hope this helps!</span>

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Mr. T's Tea store has two kinds of tea. Tea A costs $9 per pound and Tea B cost $6 per pound. How many pounds of each should be

harina [27]

Answer:

y=447.3 pounds

x= 297.3 pounds

Step-by-step explanation:

Step one:

given data

Tea A costs $9 per pound and

Tea B cost $6 per pound.

let the number of pounds of Tea A be x

and for Tea B be y pounds

The total cost of the mixture = $8 per pound

hence

9x+6y=8---------1

The total weight of the mixture

150 pounds

x+y=150-----------2

Step two:

9x+6y=8---------1

x+y=150---------2

from eqn 2 x=150-y

put x= 150-y in eqn 1

9(150-y)+6y=8---------1

1350-9y+6y=8

1350-8=9y-6y

1342=3y

divide both sides by 3

y= 1342/3

y=447.3 pounds

put y= 447.3 in eqn 2

x+447.3= 150

x= 150-446=7.3

x= -297.3

x= 297.3 pounds

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3 years ago

What is the slope of a line that goes through the points (-3,0) and (-1,4)

aniked [119]

Step-by-step explanation:

4 -0 / -1 - -3.

4/2 = 2

m = 2 (slope)

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3 years ago

Alaska has 1,700,000 square kilometers. Flordia has a landarea one tenth the size of Alaska. What is the landarea of Florid

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disa [49]

Answer:

Step-by-step explanation:

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Step-by-step explanation:

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