3 years ago

Please this is my last question help me

Mathematics

1 answer:

sladkih [1.3K]3 years ago

3 0

Hopes this helps: i used a visual as well

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Z is a normally distributed random variable. the distribution of z has a mean equal to 0 and a standard deviation equal to 1. wh

kolbaska11 [484]

The probability is found from a suitable table or probability calculator.
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3 years ago

Which of the following expressions are equivalent? Justify your reasoning.. . a.4√x3. . 1. x−1. . b.10√x5•x4•x2. . c.x. 1. 3. •x

sladkih [1.3K]

A ) $\sqrt[4]{ x^{3} } = x^{3/4}$
B ) $\frac{1}{ x^{-1} } = x$
C ) $\sqrt[10]{ x^{5} * x^{4}* x^{2} } = \sqrt[10]{ x^{11} }= x^{11/10}$
D ) $x^{1/3} * x^{1/3} * x^{1/3} = x$
Therefore: B = D

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3 years ago

Hence factorize completely the expression<br>9x³y² - 4xy⁴

Aloiza [94]

Step-by-step explanation:

$9 {x}^{3} {y}^{2} - 4x {y}^{4} \\ = x {y}^{2} (9 {x}^{2} - 4 {y}^{2} )$

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2 years ago

Ryan completed 1/8 of his test in 2/5 hour. If Ryan’s rate stayed the same, how much of his test was finished in one hour

IceJOKER [234]

Answer:

5/16

Step-by-step explanation:

In 5/2 the time, we expect that 5/2 × 1/8 = 5/16 of the test will be complete.

_____

5/2 × (2/5 h) = 1 h

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2 years ago

879 divide by 48 show your work

levacccp [35]

Answer:

18 remainder 15

Step-by-step explanation:

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3 years ago