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4 years ago

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if the wheel of the engine of a train is 30/7m in circumference and makes 7 revolutions in 4 secs then the speed of the train is

?

1 answer:

Nastasia [14]4 years ago

6 0

I dont know ans dont care but iill try its 2 and lima bean

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The base of a pyramid has n sides <br> write an expression for the number of faces of the pyramid

Keith_Richards [23]

N=5. its a pyramid. simple.

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3 years ago

Read 2 more answers

When finding percentiles, if the locator L is not a whole number, one procedure is to interpolate so that a locator of 23.75,

inessss [21]

Answer:

The answer is "94"

Step-by-step explanation:

Given data:

51,54,64,68,72,74,76,83,94,94,99

Find:

$P_{75}=?P_{75}= (\frac{75(n+1)}{100})^{th} \ \ observation\\\\$

$= (\frac{75(11+1)}{100})^{th} \ \ observation\\\\= (\frac{75(12)}{100})^{th} \ \ observation\\\\= (\frac{75 \times 12}{100})^{th} \ \ observation\\\\= (\frac{900}{100})^{th} \ \ observation\\\\= 9^{th} \ \ observation\\\\= 9^{th} \ number \ is = 94$

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3 years ago

Rina8888 [55]

Answer:

Step-by-step explanation:

OK you should really have these by now.

Translation, reflection and rotations do not change segment lengths or angular relationships. They only change line slopes and/or y-intercepts.

4 0

3 years ago

if bill puts $3,500 into an account that has a 2.5% interest rate compounded annually, how much money will bill have after 3 yea

lyudmila [28]

Answer:

$26,250

Step-by-step explanation:

$3,500×(2.5)^3

8 0

3 years ago

I'll give brainliest!! please help me!! Given f(x)=10x+8 and g(x)=1x+4

Artyom0805 [142]

The answer should be 31
(10(3)+8)-(1(3)+4)
(30+8)-(3+4)
= 31

3 0

4 years ago