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3 years ago

Find the value of 3 square root of 1000

Mathematics

2 answers:

krek1111 [17]3 years ago

8 0

Answer:

the answers is 10

Step-by-step explanation:

irga5000 [103]3 years ago

5 0

The answer to this is 10

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Solve the equation. | x | -7 =6

guapka [62]

Hi there!

Let's solve this equation step by step!
$|x| - 7 = 6$

First add 7 to both sides.
$|x| = 13$

Next we need to take a look at the meaning of the stripes between our variable. Those stripes mean we are dealing with an absolute value function. The absolute value stripes make everything between the stripes positive; also when we plug in a number. In this particular question we can plug in both -13 and 13 at the position of n, because when -13 is made positive, it fulfils the equation.

Hence,
$x= 13$ or $x = - 13$

~ Hope this helps you!

6 0

3 years ago

Read 2 more answers

50 POINTS!! PLEASE HELP ASAP

natita [175]

Answer:

D. Miko found an incorrect quotient and checked her work using multiplication incorrectly

Step-by-step explanation:

We are given the equation

$\frac{5}{\frac{5}{3} }$

This can be rewritten as

$5*\frac{3}{5} =3$

Miko's work is incorrect as she did not multiply by the reciprocal of denominator's fraction. Instead she just multiplied by that fractions.

5 0

3 years ago

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What is the slope of the line shown below? (5,11) (-5,-1)

coldgirl [10]

Answer:

perpendicular

Step-by-step explanation:

it isn't parallel because the angles aren't the same.

7 0

3 years ago

What does P equal -3(2+4p)=2(2p-1)

Whitepunk [10]

P=-1/4

Work:
-3(2+4p)=2(2p-1) distributive property space now it’s -6-12p=4p-2
-6-12p=-4p-2 add 4p on both sides
-6-16p=-2 add 6 on both sides
-16p=4 divide both sides by -16
P=-1/4

8 0

3 years ago

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The level of nitrogen oxides (NOX) in a exhaust of cars of a particular model varies normally with mean 0.25 grams per miles and

antoniya [11.8K]

Answer:

a) 15.87% probability that a single car of this model fails to meet the NOX requirement.

b) 2.28% probability that the average NOX level of these cars are above 0.3 g/mi limit

Step-by-step explanation:

We use the normal probability distribution and the central limit theorem to solve this question.

Normal probability distribution:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Central limit theorem:

The Central Limit Theorem estabilishes that, for a random variable X, with mean $\mu$ and standard deviation $\sigma$ , a large sample size can be approximated to a normal distribution with mean $\mu$ and standard deviation $s = \frac{\sigma}{\sqrt{n}}$