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3 years ago

Find The Number That Completes The Eqaution.

Mathematics

2 answers:

Sveta_85 [38]3 years ago

8 0

Answer is <span>A) 1/5
hope that helps</span>

DIA [1.3K]3 years ago

6 0

<span>C) 1/30 i think ok i am 12</span>

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To simplify the expression 3+5×3-8÷4

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Answer:

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Step-by-step explanation:

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3 years ago

When Victoria goes bowling, her scores are normally distributed with a mean of 130

Artemon [7]

Answer:

0.2377 or about a 23.77% chance

Step-by-step explanation:

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3 years ago

For the first 30 km, the bicyclist rode with a speed of v km/hour. For the remaining 17 km he rode with a speed which was 2 km/h

damaskus [11]

Answer:

t= 2.52 hours

Step-by-step explanation:

It is given that for first 30 km, the speed of bicyclist is v km/hour

time taken to cover first 30 km is given by

$t_{1} =\frac{30}{v}$ ( $time=\frac{distance}{speed}$ )

for next 17 km the speed of bicyclist is 2 km/hour greater than his original speed

so the speed to cover next 17 km = v+2

time taken to cover next 17 km is given by

$t_{2} =\frac{17}{v+2}$

now total time t spent by the bicyclist to cover entire trip is given by

$t=t_{1} +t_{2}$

$t=\frac{30}{v} +\frac{17}{v+2}$

now if v=18 , we have

$t=\frac{30}{18} +\frac{17}{20}$

now to add fractions we make the denominator same

Hence we will find the LCM of 18 and 20

LCM of 18 and 20 = 180

now we need to make both the denominator equal to 180

$t=\frac{30(10)}{18(10)} +\frac{17(9)}{20(9)}$ $t=\frac{300}{180} +\frac{153}{180} =\frac{300+153}{180}$

$t=\frac{453}{180} =2.52$ hours (approx)

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3 years ago

Nita bought some games for her grandchildren for $42.50 each. If she

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Answer:

Step-by-step explanation:

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Can i have brainly pls

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3 years ago

Read 2 more answers

Jerry plans to keep up this saving pattern until he can no longer afford it.At that time, he

natta225 [31]

<h3><em>Answer: </em></h3><h3><em> I think the first answer is S(t) = 2^t - 1 .</em> </h3>

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3 years ago