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3 years ago

Determine and state the length of a line segment whose endpoints are (4,7) and (−3,5). Round your answer to the nearest tenth.

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

4 0

Answer:

$\left(\frac{1}{2},\:6\right)$

Step-by-step explanation:

Plug into the midpoint formula

$(\frac{x_{1}+x_{2} }{2} ,\frac{y_{1}+y_{2} }{2} )$

Hope this helps :-)

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antiseptic1488 [7]

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2 years ago

There are about 320 million people living in the United States. Of these, how many would you predict wear corrective lenses

tiny-mole [99]

Answer:

240 million

Step-by-step explanation:

Google said that three out of four people wear corrective lenses which is also 75%. So whats 75% out of 320 million? Half of 320 million is 160 million. Half of 160 million is 80 million, 160 million plus 80 million is 240 million.

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3 years ago

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Grant can pick 9 tomatoes in 12 minutes. How many tomatoes can grant pick in one hour?

blagie [28]

Answer:

45 tomatoes

Step-by-step explanation:

1 hour = 60 minutes

60 ÷ 12 = 5

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2 years ago

A local hospital tracked the blood type and gender of the patients they saw on an average day. Which is a fair statement?

Oksana_A [137]

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2 years ago

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Chloe and Libby want to tie Ryan to a bunch of approximately spherical helium balloons of diameter 0.3m. The volume of each ball

dem82 [27]

Answer: Aproximately 2,525 balloons

Step-by-step explanation:

1. Find the volume of a balloon with the formula given in the problem, where $r$ is the radius ( $r=\frac{0.3m}{2}=0.15m$ ), then:

$V=4(0.15m)^{3}=0.0135m^{3}$

2. Convert the volume from m³ to lliters by multiplying it by 1,000:

$V=0.0135m^{3}*1000=13.5L$

3. You know that that 1 liter of helium can lift 1 gram and that Ryan weighs 5 stone and 5 pounds. So you must make the following conversions:

1 g=0.0022 lb

From 5 stones to pounds

$(5stone)(\frac{14pounds}{1stone})=70pounds=70lbs$

4. Then Ryan's weigh is:

5lb+70lb=75lb

5. Then, if 1 liter of helium can lift 0.0022 lb, to lift 75 lb (which is the weight of Ryan) they need:

$\frac{75lb*1L}{0.0022lb}=34,090.90L$

6. Then, to calculate the aproximated number of balloons they need to make him float (which can call $n$ ), you must divide the liters of helium needed to lift the weight of Ryan by the volume of a balloon, then the result is:

$n=\frac{34,090.90L}{13.5L}$

$n=2,525.25$ ≈2,525 balloons.

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3 years ago