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3 years ago

15

I need help please!!!

1 answer:

JulsSmile [24]3 years ago

5 0

Answer:

Volume = 72 cm³

Step-by-step explanation:

Volume = $a^2\frac{h}{3}$

<u><em>Where a = 6, h = 6</em></u>

Volume = $(6)^2\frac{6}{3}$

Volume = 36 * 2

Volume = 72 cm³

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Please help I found this one a bit confusing

Sergio [31]

Answer:

C

Step-by-step explanation:

If you look closely.. You can see that one is longer than the other

3 0

3 years ago

The per capita electric power consumption level in a recent year in Ecuador is normally distributed, with a mean of 471.5 kilo-w

Olin [163]

Answer:

a) 471.5 kilo-watt hours.

b) 31.76 kilo-watt hours

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean $\mu$ and standard deviation $\sigma$ , the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$ .

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For the population:

Mean 471.5 kilo-watt hours.

Standard deviation of 187.9 kilowatt-hours.

For the sample:

Sample size of 35, by the Central Limit Theorem:

a) Mean

471.5 kilo-watt hours.

b) Standard deviation

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31.76 kilo-watt hours

7 0

3 years ago

Show some different ways you can make 7,502.

Anuta_ua [19.1K]

Answer:

7000+500+0+2

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

[ZA WARUDO] stops time and throws 200 knives at Jotaro Kujo. Then he adds one more and summons a ROAD ROLLER DA And smashes jota

Lubov Fominskaja [6]

Answer:

169 knives

Step-by-step explanation:

What we know:

ZW threw 200 knives at Jotaro, then adds one more. This makes 201 knives, initially.

However, the RRD subtracts 32 from 201, making it 169 knives that ZW threw.

201 - 30 - 2 = 171 - 2 = 169 knives

8 0

3 years ago

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Twice the sum of a number and 2 is equal to three times the difference of the number 4

Evgesh-ka [11]

Answer:

The number is = 16

Step-by-step explanation:

Given:

Twice the sum of a number and 2 is equal to three times the difference of the number and 4.

To find the number.

Solution:

Let the number be = $x$

The equation can be now written as:

$2(x+2)=3(x-4)$

Solving for $x$

Using distribution:

$2x+(2\times2)=3x-(3\times4)$

$2x+4=3x-12$

Adding 12 both sides.

$2x+4+12=3x-12+12$

$2x+16=3x$

subtracting $2x$ from both sides.

$2x-2x+16=3x-2x$

$16=x$

∴ $x=16$

Thus, the number is = 16

6 0

3 years ago