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3 years ago

What is three tenths times 8

Mathematics

1 answer:

Valentin [98]3 years ago

5 0

Answer:

3/10 x 8/1 = 24/10 simplified= 12/5

Step-by-step explanation:

3x8=24 1x10=10 divided by 2 = 12/5

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PLEASE HELP ASAP 10 POINTS AND BRAINLIEST Simplify. 1/4y + 1 1/2 + 2 - 1 3/4y−12

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4 years ago

According to a 2009 Reader's Digest article, people throw away approximately 90% of what they buy at the grocery store. Assume t

Dafna11 [192]

Answer:

0.9495

Step-by-step explanation:

We are given;

Population proportion; p = 90% = 0.9

Sample size; n = 100

Sample Proportion; p^ = 0.84

Formula to find the probability that sample proportion exceeds 0.84 is;

Z = P(p^ > 0.84) = (p - p^)/√(p^(1 - p^)/n)

Z = (0.84 - 0.9)/√(0.84(1 - 0.84)/100)

Z = -0.06/0.03666

Z = -1.64

From online z-score calculator attached, the probability is;

P(x>Z) = 0.9495

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3 years ago

The area of a triangle is 1,440 cm2. The base of the triangle is 5 times the height. What is the height of the triangle? 12 cm 2

GarryVolchara [31]

The area of a triangle with base 'b' and height 'h' is given by the formula:

$A = \frac{1}{2} bh$

It is given that the area of a triangle is $1440 cm^2$ .

It is given that the base of the triangle is 5 times the height.

So, $b=5 \times h = 5h$

We have to determine the height of the triangle.

Since, $A = \frac{1}{2}bh$

$1440 = \frac{1}{2}(5h)h$

$1440 = \frac{1}{2}(5h^2)$

$1440 \times 2 = 5h^2$

$2880= 5h^2$

$\frac{2880}{5}= h^2$

$h^2=576$

So, $h=\sqrt{576}$

So, h = 24 cm

Therefore, the height of the triangle is 24 cm.

Option 2 is the correct answer.

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3 years ago

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fomenos

Answer:

n=2

Step-by-step explanation:

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Of what? What is the question?

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