3 years ago

I need help on this

Mathematics

2 answers:

Olegator [25]3 years ago

7 0

It would be 22%. hopes I helped! ;)

BabaBlast [244]3 years ago

4 0

22 hope it helps and it’s correct.

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I need help please thank you

aliya0001 [1]

$\frac{ x^{2}-25 }{ x^{2}-3x-10 }$
$\frac{(x+5)(x-5)}{(x-5)(x+2)}$
$\frac{x-5}{x+2}$

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3 years ago

Select the statement that correctly describes the expression below.

timama [110]

Answer:

Step-by-step explanation:

The product of the difference of x and 5 and the sum of x and 3

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3 years ago

One of the psychologist's findings is that 18 months after the workshop, a sample of 49 job seekers who received training on set

IceJOKER [234]

Answer:

The psychologist finds that the estimated Cohen's d is 0.583.

Step-by-step explanation:

The Cohen's d is used to calculate the effect size, appied when a null hypothesis is rejected.

It can be calculated for this case of population mean as:

$d=\dfrac{M-\mu}{\sigma}=\dfrac{6.5-5.8}{1.2}=\dfrac{0.7}{1.2}=0.583$

The psychologist finds that the estimated Cohen's d is 0.583.

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4 years ago

The sum of the measures of two complementary angles is 90°. If one angle measures 24° more than twice the measure of the other,

geniusboy [140]

X + y = 90

Let's make 'x' the bigger angle and 'y' the smaller.
X is 24 more than twice y.
x = 24 + 2y

Now plug that into the x of the first equation.
(24 + 2y) + y = 90

Combine like terms.
24 + 3y = 90

Subtract 24 from both sides.
3y = 66

Divide both sides by 3.
y = 22

The measure of the smaller angle is 22°

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3 years ago

The polynomial factor to X^3 + 2x^2-3x

dangina [55]

Answer:

$x(x-1)(x+3)$