3 years ago

Which estimation is farther from the actual number

Mathematics

1 answer:

enot [183]3 years ago

7 0

What’s the number

????

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What inequality does the graph represent?

slega [8]

The shaded region is above the line so it would be y> so then the equation is y=4x+2 since the graph has a y intercept of 2 and a slope of four

tl;dr the answer is B

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bill can paint a room in 6 hours, but bills father could do it in four. if the two work together, how long would it take them to

aleksley [76]

Answer:

3 hrs thats my anwser

Step-by-step explanation:

brainliest if right

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3 years ago

Kim has $20 to spend for her fishing trip. She spends $12 on a fishing pole. Then, she finds $3. How much money does she have no

IgorC [24]

Answer:

$11

Step-by-step explanation:

Kim has $20

→ Subtract $12 since "She spends $12 on a fishing pole"

$20 - $12 = $8

→ Add $3 since " she finds $3"

$8 + $3 = $11

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3 years ago

At a carnival, contestants are asked to keep rolling a pair of dice until they roll snake eyes. The number of rolls needed has a

Stells [14]

Answer:

The two numbers of rolls are 25.2 and 46.8.

Step-by-step explanation:

The Chebyshev's theorem states that, if X is a r.v. with mean µ and standard deviation σ, then for any positive number k, we have

$P (|X -\mu| < k\sigma) \geq (1-\frac{1}{k^{2}})$

Here

$(1-\frac{1}{k^{2}})=0.75\\\\\Rightarrow \frac{1}{k^{2}}=0.25\\\\\Rightarrow k=\sqrt{\frac{1}{0.25}}\\\\\Rightarrow k=2$

Then we know that,

$|X - \mu| \geq k\sigma,\\\\ \Rightarrow \mu - k\sigma \leq X \leq \mu + k\sigma$ .

Here it is given that mean (µ) = 36 and standard deviation (σ) = 5.4.

Compute the two values between which at least 75% of the contestants lie as follows:

$P(\mu - k\sigma \leq X \leq \mu + k\sigma)=0.75\\\\P(36 - 2\cdot\ 5.4 \leq X \leq 36 + 2\cdot\ 5.4)=0.75\\\\P(25.2\leq X\leq 46.8)=0.75$

Thus, the two numbers of rolls are 25.2 and 46.8.

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3 years ago

What is the simplified form of 400x100 ?<br> O 200x10<br> O 200x50<br> O 20x10<br> O 20x50

SVEN [57.7K]

Answer:

√400 x √100 = 40,000

√40,000 = 200

So your answer is 200 x 10.

Hope this Helps!!

Step-by-step explanation:

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