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3 years ago

What is the value of the red dot on the number line below?

Mathematics

2 answers:

Mila [183]3 years ago

4 0

Answer:

B, 9.625

Step-by-step explanation:

I know there's a more surefire method of doing this problem but since this is multiple choice, you can use process of elimination to solve it.

ladessa [460]3 years ago

3 0

Answer:
It should B

Hope this is helpful

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Each floor of a doll house is 12.5 inches tall. If the height of the doll house is 75 inches, how many floors does the doll hous

larisa86 [58]

<h2>Answer :</h2>

$\bigstar\boxed{\large\bf{\leadsto 6\:floors}}$

⠀⠀━━━━━━━━━━━━━━━━━━━━━━━━━━━━⠀⠀

$\begin{gathered}\rm{ \underline{ \underline{ \red{Given}}}}\begin{cases}\sf{height\:of\:one\:floor\:of\:dollhouse =12.4\:in} & \\ \\\sf{Height\:of\: dollhouse=75\:in}&\end{cases}\\\\\end{gathered}$

Total number of Floors in dool house

➜ Therefore , Total number of floors can be find out by dividing the total height of dollhouse by the length of one floor

‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎ $\bf{=\cancel{ \dfrac{75}{12.5}}}$

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‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎ $\bf{= 6}$

‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎‎‎ ‎ ‎

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8 0

3 years ago

Help me I have no idea how to solve!

gayaneshka [121]

Are we solving for h?
V=πr²h+r²h
V=h(πr²+r²)
V/(πr²+r²) = h

8 0

3 years ago

Read 2 more answers

I need help asap I don't get this

musickatia [10]

The correct answer is C. They are going down by 3.

4 0

3 years ago

20. What do you think would happen to the variability (standard deviation) of the distribution of sample proportions if the samp

Naya [18.7K]

Answer:

Step-by-step explanation:

Sample proportion p is the proportion of favourable numbers to total number in the sample

By central limit theorem and also approximation of binomial to normal , we have sample proportion for large number of samples will be normal

with mean = sample proportion

and std deviation = $\sqrt{\frac{pq}{n} }$

Thus we find standard deviation of proportion sample is inversely proportional to the square of the sample size n.

It follows automatically that as sample size increases std deviation decreases.

Here from 80 sample size was made to 200

So std deviation would decrease automatically

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3 years ago

Tom brought a board that was 7/8 of a yard long. he cut of 1/2 a yard.how much was left

Burka [1]

Answer:

3/8

Step-by-step explanation:

7/8- 1/2 which is equivilient to 4/8 is 3/8

8 0

2 years ago