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4 years ago

15

sumalee won 40 super bouncy balls playing horseshoes at her school's game night.Later,she gave two to each of her friends.She on

ly has 8 remaining.How many friends does she have?

2 answers:

MArishka [77]4 years ago

5 0

12 friends. Hope this helps! I would love brainliest answer! :)

Kaylis [27]4 years ago

3 0

40-8=32 32/2=16 That means she would have 16 friends.

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Place this list of irrational numbers in order from least to greatest.

ZanzabumX [31]

Answer:

$\sqrt{7},\sqrt{25},\sqrt{42}$

Step-by-step explanation:

$\sqrt{7}$ is 2.65 rounded to the nearest hundrendth.

$\sqrt{25}$ is 5.

$\sqrt{42}$ is 6.48 rounded to the nearest hundrendth.

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3 years ago

I need help with my final, it’s my final grade

s2008m [1.1K]

Answer:

x=13

Step-by-step explanation:

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3 years ago

A monomial usually has the form ______, where a is ______ and n is a ______?

Ksenya-84 [330]

a monomial usually has the form _ax_^n____, where a is __constant____ and n is a __integer____?

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4 years ago

In a random sample of 45 newborn babies, what is the probability that 40% or fewer of the sample are boys. (Use 3 decimal places

erastova [34]

Answer:

$z= \frac{p- \mu_p}{\sigma_p}$

And the z score for 0.4 is

$z = \frac{0.4-0.4}{\sigma_p} = 0$

And then the probability desired would be:

$P(p$

Step-by-step explanation:

The normal approximation for this case is satisfied since the value for p is near to 0.5 and the sample size is large enough, and we have:

$np = 45*0.4= 18 >10$

$n(1-p) = 45*0.6= 27 >10$

For this case we can assume that the population proportion have the following distribution

$p \sim N(p,\sqrt{\frac{p(1-p)}{n}})$

Where:

$\mu_{p}= \hat p = 0.4$

$\sigma_p = \sqrt{\frac{p(1-p)}(n} =\sqrt{\frac{0.4(1-0.4)}(45}= 0.0703$

And we want to find this probability:

$P(p$

And we can use the z score formula given by:

$z= \frac{p- \mu_p}{\sigma_p}$

And the z score for 0.4 is

$z = \frac{0.4-0.4}{\sigma_p} = 0$

And then the probability desired would be:

$P(p$

7 0

3 years ago

Read 2 more answers

Please help i will give you brainlist

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Answer for Part A:

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Explanation for Part A:

The equation for Elena tells us that she makes $8.40 per hour. Jada makes $7 an hour. Since 8.4 > 7, Elena makes more money than Jada per hour

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3 years ago