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2 years ago

If a cone has a height 6 feet and volume 54ft, find the radius of the base

Mathematics

1 answer:

OLga [1]2 years ago

7 0

Answer:

The radius is approximately 2 93

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22. The mean of 15 observations is 32. Find the resulting mean, if each observation is: (i) increased by 3 (ii) decreased by(v)

Lubov Fominskaja [6]

Answer:

35 ;

32 + v

51.2

Step-by-step explanation:

If each observations in a particular set is increased or decreased by a uniform or fixed number, the mean of the resulting output will also increase by the same amount

Hence,

For 15 observations whose mean is 32

If each observation is increased by 3, then the resulting mean will also increase by 3 ; hence, new mean = 32 + 3 = 35

If each observation is decreased by v ; the resulting mean would also decrease by v ;

32 - v

If each observation is increased by 60% ; the resulting mean will be ;

(1 + 60%) * initial mean

(1 + 0.6) * 32

1.6 * 32 = 51.2

8 0

2 years ago

Simplify -2 1/9 -(-4 1/3)

vesna_86 [32]

Answer:

$\frac{20}{9}$ or $2 \frac{2}{9}$

3 0

2 years ago

Read 2 more answers

Passes through (3,-6) and (-1,2) slope intercept form?

IRISSAK [1]

Answer:

2/1

Step-by-step explanation:

8/4 which is also 2/1

7 0

2 years ago

How can sample data be used to from an estimate about the population?

dsp73

Answer: A proportion can be solved to relate the sample to the population and solved to form an estimate.

Step-by-step explanation:

4 0

2 years ago

a racing car starts fron rest .if it gains an acceleration of 5m/second square in 10 second ,calculate the final velocity.

hjlf

Answer:

The final velocity would be 50 m/s.

Its by formula,

$a = \frac{v - u}{t}$

hope it helps...

3 0

2 years ago