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3 years ago

A) what value represents the 40th percentile of these returns?

1 answer:

4 0

You need to look at the scale of different values and find one which is in the 40th percentile. This means 40 percent are higher and 60 percent are lower than the value you select. This can be done by figuring out the middle and going up a bit.

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siniylev [52]

Answer:

Slant height (s)= 12.1 cm

Step-by-step explanation:

Given: Base= 4.5 cm.

Surface area of right square pyramid= 129.5 cm.

First, calculating slant height (s) of right square pyramid.

Surface area of square pyramid= $(a^{2} +2\times a\times s)$

a= side of square base.

s= slant height

∴ $129.5= (4.5^{2} + 2\times 4.5\times s)$

⇒ $129.5= (20.25+2\times 4.5\times s)$

⇒ $129.5= (20.25+9\times s)$

Now, opening the parenthesis and subtracting both side by 20.25.

⇒ $109.25=9\times s$

cross multiplying both side

∴ Slant height (s)= 12.1

5 0

4 years ago

A hamster is 2 1/2 inches long a rabbit is 3 1/2 times as long as a hamster how long is the rabbit

saveliy_v [14]

2.5 * 3.5 = 8.75 or 8 3/4 inches long

5 0

2 years ago

Multiply. (3.5x10^-5) (3x10^-10) express your answer in scientific notation.

Len [333]

Answer:

5.69034 × 1011

Step-by-step explanation:

Decimal

1234000000

Scientific Notation

1.234 x 10^9

×10^

1st Number

1.234

×10^

Operation

2nd Number

5.678

×10^

3 0

3 years ago

A-8 B-16 C-12 Please help guys.

Ksju [112]

Its c the answer is c because 8+4 is 12 and if you get rid of the angle and move the line so it’s straight it would be both 8 and 4

6 0

2 years ago

Evaluate the expression for d = 2. 7(d + 9) =

erastova [34]

Answer: 2.7d + 24.3

Step-by-step explanation: Easy

3 0

3 years ago

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