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DIA [1.3K]
3 years ago
13

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}

5 0
3 years ago
Select the statement that correctly describes the expression below.
timama [110]

Answer:

B

Step-by-step explanation:

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

7 0
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.

8 0
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°
3 0
3 years ago
The polynomial factor to X^3 + 2x^2-3x
dangina [55]

Answer:

x(x-1)(x+3)

Step-by-step explanation:

Factor out the common terms, and get: x(x^2+2x-3)

Factor (x^2+2x-3), and get: (x-1)(x+3)

<em>Hope this helps!!</em>

4 0
3 years ago
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