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3 years ago

Can someone help me ASAP??? its for homeworkkk

Mathematics

1 answer:

r-ruslan [8.4K]3 years ago

6 0

I think that the answer is 120 cubes

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QUICKK ANSWERR (will mark brainlist)

atroni [7]

Answer:

Jessie sold x DVDs for $<u>3</u> each and then sold a board game for $<u>12</u>. Jessie made (select) $27 in her sales. How many DVDs did she sell?

She sold 5 DVDs

Step-by-step explanation:

3x+12=27

3x=15

x=5

5 DVDS

4 0

3 years ago

Describe and give an example of a rational and irrational number, plot points on a number line, simplify expressions and estimat

sergij07 [2.7K]

Answer:

Some of the top causes of poverty around the world :

Inadequate access to clean water and nutritious food.

Little or no access to livelihoods or jobs.

Conflict.

Inequality.

Poor education.

Climate change.

Lack of infrastructure.

Limited capacity of the government❥

Step-by-step explanation:

i hope it help you

5 0

3 years ago

g 78% of all Millennials drink Starbucks coffee at least once a week. Suppose a random sample of 50 Millennials will be selected

Tatiana [17]

Answer:

We know that n = 50 and p =0.78.

We need to check the conditions in order to use the normal approximation.

$np=50*0.78=39 \geq 10$

$n(1-p)=50*(1-0.78)=11 \geq 10$

Since both conditions are satisfied we can use the normal approximation and the distribution for the proportion is given by:

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

With the following parameters:

$\mu_ p = 0.78$

$\sigma_p = \sqrt{\frac{0.78*(1-0.78)}{50}}= 0.0586$

Step-by-step explanation:

Previous concepts

The binomial distribution is a "DISCRETE probability distribution that summarizes the probability that a value will take one of two independent values under a given set of parameters. The assumptions for the binomial distribution are that there is only one outcome for each trial, each trial has the same probability of success, and each trial is mutually exclusive, or independent of each other".

Solution to the problem

We know that n = 50 and p =0.78.

We need to check the conditions in order to use the normal approximation.

$np=50*0.78=39 \geq 10$

$n(1-p)=50*(1-0.78)=11 \geq 10$

Since both conditions are satisfied we can use the normal approximation and the distribution for the proportion is given by:

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

With the following parameters:

$\mu_ p = 0.78$

$\sigma_p = \sqrt{\frac{0.78*(1-0.78)}{50}}= 0.0586$

6 0

3 years ago

An 8-foot ramp needs to be elevated at an angle measuring 10° to be level with a step. Approximately how far

emmainna [20.7K]

Answer:

Approximately 7.9 feet.

Step-by-step explanation:

cos 10 = x / 8 where x is the required distance.

x = 8 cos 10

= 7.878 feet.

3 0

3 years ago

Can someone help asap, with step by step instructions plzzzz.

AleksAgata [21]

Angle a is 35 degrees angle b is 55 degrees angle c is 110 degrees

5 0

3 years ago