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3 years ago

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I need help with number 8

1 answer:

OlgaM077 [116]3 years ago

3 0

1296 divided by 12 it'll be 108 cubic inches.
1296/12=108inch³

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What is the value of n?<br> •3<br> •5<br> •17<br> •25

Alenkinab [10]

Answer: 17

Step-by-step explanation:

Set the equations equal to each other. Then, get the variable on one side. Then, get the constants to one side. You should be left with -2n=-34, which equals 17.

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3 years ago

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Just before a referendum on a school budget, a local newspaper polls 402 voters to predict whether the budget will pass. Suppos

Sliva [168]

Answer:

21.21%

Step-by-step explanation:

Assume that proportion of support follows normal distribution.For resulting in defeat the proportion of support should less than 0.5.Given that the proportion of support is p= 0.52.

Sample size(n)= 402

We know that standard deviation is given as

$\sigma = \sqrt {\dfrac {p(1-p)}{n}}$

Now by putting the values

$\sigma = \sqrt {\dfrac{0.52\times 0.48}{402}}$

σ=0.0249

Proportion of support follows normal distribution with mean is 0.52 and standard deviation is 0.0249

We know that $Z=\dfrac{\bar{X}-\mu }{\sigma }$

So

$Z=\dfrac{0.5-0.52 }{0.0249}$

Z= -0.80

So P(Z<-.80) =0.2118 from standard table.

So the probability of news paper to predict defeat is 21.21%

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4 years ago

By which theorem can you conclude DHF = EHG?<br><br> A. ASA<br> B. HL<br> C. SAS<br> D. SSS

Rzqust [24]

Answer:HL

Step-by-step explanation:

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3 years ago

The ratio of hydrogen to oxygen atoms in water molecules is 2 to 1. If the beaker of water contained 4.1 moles of oxygen atoms,

Ad libitum [116K]

Answer:

8.2

Step-by-step explanation:

We have been given that the ratio of hydrogen to oxygen atoms in water molecules is 2 to 1.

We can represent this information as: $\frac{\text{Hydrogen}}{\text{Oxygen}} =\frac{2}{1}$

Let x be amount of moles of hydrogen atoms in water beaker. The proportion of hydrogen and oxygen moles will be same in water beaker.

Upon substituting our values in above proportion we will get,

$\frac{2}{1} =\frac{x}{4.1}$

$x=2\times 4.1$

$x=8.2$

Therefore, the moles of hydrogen atoms in water beaker will be 8.2.

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3 years ago

Using the numbers 1 through 9 at most once each time, fill in the blanks to make the equality true

alisha [4.7K]

(9+1-8+2)-(4+5-6+3)=0

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4 years ago

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