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3 years ago

Which is larger, 3/10 or 0.25? A.3/10 B.0.25 C.They are equal.

Mathematics

2 answers:

NNADVOKAT [17]3 years ago

4 0

Answer:

It is 3/10 because it doesn't need approximation to give 0.3

erastova [34]3 years ago

3 0

Answer:

A. 3/10

Step-by-step explanation:

0.25 = 2.5/10

2.5/10 < 3/10

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A quality control expert at Glotech computers wants to test their new monitors. The production manager claims they have a mean l

tankabanditka [31]

Answer:

The probability that the mean monitor life would be greater than 96.3 months in a sample of 84 monitors

P(X⁻ ≥ 96.3) = 0.0087

Step-by-step explanation:

Step(i):-

Given that the mean of the Population = 95

Given that the standard deviation of the Population = 5

Let 'X' be the random variable in a normal distribution

Let X⁻ = 96.3

Given that the size 'n' = 84 monitors

Step(ii):-

The Empirical rule

$Z = \frac{x^{-} -mean}{\frac{S.D}{\sqrt{n} } }$

$Z = \frac{96.3 - 95}{\frac{5}{\sqrt{84} } }$

Z = 2.383

The probability that the mean monitor life would be greater than 96.3 months in a sample of 84 monitors

P(X⁻ ≥ 96.3) = P(Z≥2.383)

= 1- P( Z<2.383)

= 1-( 0.5 -+A(2.38))

= 0.5 - A(2.38)

= 0.5 -0.4913

= 0.0087

Final answer:-

The probability that the mean monitor life would be greater than 96.3 months in a sample of 84 monitors

P(X⁻ ≥ 96.3) = 0.0087

3 0

3 years ago

How tall is a tree which is 15 feet shorter than a pole that is 3 times as tall as the tree?

Citrus2011 [14]

<h2>Height of tree is 7.5 feet</h2>

Step-by-step explanation:

Let t be the height of pole.

Given that the tree is 5 feet shorter than a pole.

Height of pole = t + 15

Also given that the pole is 3 times as tall as the tree.

Height of pole = 3t

So we have

t + 15 = 3t

2t = 15

t = 7.5 feet

Height of tree = 7.5 feet

7 0

3 years ago

Please find the area of tge triangle help me please asap due tomorrow

Olin [163]

1. Area = 1/2 B(base) x H(height)

2. Area = 1/2 9 x 10

3. Area = 1/2 90

4. Area = 45 inches

8 0

3 years ago

Read 2 more answers

Graph the function. f(x)= 3/5x}=-5

Alinara [238K]

Start at negative 5 since that’s your y-intercept.
Since 3/5 is your slope and slope equals rise over run you go up 3 units and go right 5 units.

3 0

2 years ago

There is 3/4 of pizza leftover from the night before . how many 1/8 portions are there

serg [7]

We want to know how many 1/8's are in 3/4, so we divide.

$\sf\dfrac{3}{4}\div\dfrac{1}{8}$

Flip the 2nd fraction and multiply:

$\sf\dfrac{3}{4}\times\dfrac{8}{1}$

Multiply the numerators and denominators together:

$\sf\dfrac{3\times8}{4\times1}\rightarrow\dfrac{24}{4}$

Divide:

$\boxed{\sf6}$

3 0

3 years ago

Read 2 more answers

Which is larger, 3/10 or 0.25? A.3/10 B.0.25 C.They are equal.​

Which is larger, 3/10 or 0.25? A.3/10 B.0.25 C.They are equal.