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igor_vitrenko [27]
3 years ago
15

Evaluate A 2 - B 2 for A = 4 and B = -5.

Mathematics
1 answer:
nikdorinn [45]3 years ago
4 0
8+-10=-2  you multiply and combine the variables and numbers.
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The point P(x,y) lies on the terminal side of an angle θ = -60° in standard posistion. What are the signs of the values of x and
lyudmila [28]

Answer:

x positive, y negative

Step-by-step explanation:

-60 is the 4th quadrant of the unit circle ( negative angles go clockwise from 0), so  the x value is positive and the y value is negative.

3 0
3 years ago
How do you divide 3.4÷12.92
Travka [436]
Well 3.4 goes into the house and 12.92 is outside of it. 3.4 is a smaller number so you'd add zeros to get the 12.92 into 3.4. As you add zeros you'd take the decimals out and move them to the right two times. But u actually move the decimal first than adding zeros. Step 1: Take out the decimals. Step 2: Add the zeros. Step 3: Hope this helped.
8 0
3 years ago
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What point is located on the x-axis<br><br> Pls help
qaws [65]

Answer:

Point C is located on the x-axis.

Step-by-step explanation:

edge 2020

7 0
3 years ago
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The CEO of a software company is committed to expanding the proportion of highly qualified women in the organization’s staff of
pishuonlain [190]

Answer:

Null Hypothesis, H_0 : p \geq 45%    

Alternate Hypothesis, H_A : p < 45%

Step-by-step explanation:

We are given that the proportion of women in similar sales positions across the country in 2004 is less than 45%.

The collected random sample of size 50 showed that only 18 were women.

<u><em>Let p = proportion of women in similar sales positions across the country in 2004</em></u>

So, Null Hypothesis, H_0 : p \geq 45%    

Alternate Hypothesis, H_A : p < 45%

Here, <u><em>null hypothesis states that</em></u> the proportion of women in similar sales positions across the country in 2004 is more than or equal to 45%.

On the other hand, <u><em>alternate hypothesis states that</em></u> the proportion of women in similar sales positions across the country in 2004 is less than 45%.

The test statistics that would be used here is One-sample z proportion test statistics, i.e;

                        T.S.  =  \frac{\hat p -p}{\sqrt{\frac{\hta p(1-\hat p)}{n} } }  ~ N(0,1)

Hence, the above hypothesis is appropriate for the given situation.

4 0
3 years ago
PLEASEEEE HELPP MEEE WITHHH NUMBERSSS 9 AND 10<br><br> PLEASEEE HELPPP MEEEEE!!!!!!!!
Lyrx [107]

Answer:

9: 89°

Step-by-step explanation:

Inside of a triangle is 180, so 180-39-52=89

I'm sorry I can't answer 10 for you

8 0
2 years ago
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