3 years ago

Pleaseeee helpppp meeee

Mathematics

1 answer:

goldfiish [28.3K]3 years ago

4 0

Answer:

no u

Step-by-step explanation:

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A car travels 83 7/10 miles on 2 1/4 gallons of fuel which is the best estimate of miles the car travels on one gallon of fuel

jeka94

To solve this problem we can use proportion, but first its nice to transform our fraction into improper fraction, so
$83 \frac{7}{10}= \frac{837}{10}$
and
$2 \frac{1}{4}= \frac{9}{4}$
Now we can make proportion

$\frac{837}{10}$ -------------------------- $\frac{9}{4}$ of fuel
x----------------------------- $1$
Now we can cross multiply

$x= \frac{ \frac{837}{10} }{ \frac{9}{4} }= \frac{837}{10}* \frac{4}{9} = \frac{3348}{90}=37.2$ - its the result

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4 years ago

Complete the derivation of the formula for a cylinder whose height is equal to its radius. The prism's volume is the area of the

11111nata11111 [884]

Answer:

2r(2r), r, pi/4, pi times r cubed

Step-by-step explanation:

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3 years ago

The sum of five and four divided by two

bearhunter [10]

The answer is: 5+4/2

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3 years ago

Read 2 more answers

one hundred forty countries participated in the 1984 summer olympics in los angeles. this was 75% more than the number of countr

Cloud [144]

Answer:

80 countries participated in the 1980 olympics in Moscow.

Step-by-step explanation:

Hello, I think I can help you with this

You can solve this by using a simple rule of three

Step 1

define

140 countries participated in 1984,this was 75% more than the last time,this means that 140 is the 175% of a value that we need to know

140 ⇔175%

x? ⇔100%

the relation is

$\frac{140}{175}=\frac{x}{100}$

Step 2

solve for x

$\frac{140}{175}=\frac{x}{100}\\x=\frac{100*140}{175}\\x=\frac{14000}{175} \\x=80$

80 countries participated in the 1980 olympics in Moscow.

Have a nice day

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3 years ago

PLEASE HELP NEED DONE FAST!!!

Natalija [7]

Answer:1/2

Step-by-step explanation:

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3 years ago