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3 years ago

8 divided by 2 over 5 in simplest form

Mathematics

2 answers:

andrezito [222]3 years ago

4 0

Step-by-step explanation:

8 / (2/5)

= 8 * (5/2)

= 8 * 5 / 2

= 40 / 2

= 20.

netineya [11]3 years ago

3 0

Answer:

Step-by-step explanation:

$8\div\frac{2}{5}\\\\= 8\times\frac{5}{2}\\\\= \frac{8\times5}{2}\\\\ = \frac{40}{2}\\\\=20$

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Reserve Problems Chapter 4 Section 5 Problem 2 A laptop company claims up to 10.1 hours of wireless web usage for its newest lap

Viktor [21]

Answer:

0.1151

Step-by-step explanation:

Given that a laptop company claims up to 10.1 hours of wireless web usage for its newest laptop battery life. However, reviews on this laptop shows many complaints about low battery life. A survey on battery life reported by customers shows that it follows a normal distribution with mean 9.5 hours and standard deviation 30 minutes.

If X is the battery life then X is N(9.5, 0.5)

(we convert into one unit for calculations purpose here hours)

a) the probability that the battery life is at least 10.1 hours

= $P(X\geq 10.1)\\=P(Z\geq \frac{10.1-9.5}{0.5} )\\= P(Z\geq 1.2)\\=0.1151$

we get the probability that the battery life is at least 10.1 hours is 0.1151

4 0

3 years ago

Find the rate and unit rate:

Alenkinab [10]

A: 24 miles per 1 gallon

5 0

3 years ago

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a shade if orange paint is made with 6 parts red paint and 2 parts yellow paint. what percent of the paint is red

Wewaii [24]

Answer:

there is 8 parts total

6/8 red 2/8 yellow

6/8 = 0.75

0.75 X 100 = 75%

4 0

2 years ago

Twice the difference between six times a number and three

Evgesh-ka [11]

The answer is: 2-6x+3x

8 0

3 years ago

Read 2 more answers

The two triangleshaped gardens are congruent. Find all of the missing side lengths and angle measures. Show any necessary work

pantera1 [17]

The two figures are in the file attached.

Congruency means that all the respcetive sides and angles are equals.

Then, the three angles are :

y = 38°

x = 90°

w = 180° - 90° - 38° = 52

The three sides are:

z= 10yd
v= 7.9yd
u=6.2yd

You have all the measures as a function of yd, but you do not have any information about yd, then it is not possible to find the real lenghts.

All you can tell is that the sides obey Pythagoream theorem:

u^2 + v^2 = z^2

But that is not enough to find one side, because you do not know any of them.

For example if you apply Pytagorean theorem you cand do"

(7.9yd)^2 + (6.2)^2 = (10yd)^2

but that cannot be solved for yd, because they are factors of all the terms in both sides, which mean that they cancel to obtain:

(7.9)^2 + (6.2)^2 = (10)^2, which is not any new information.

Also you can think about sine theorem, but it does not help, because you also need one side.

Then you only can tell the missing angles, as I have shown, but not the misssing lengths.

Download docx

8 0

3 years ago