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Gnom [1K]
3 years ago
7

In mathematics department of a college has 9 male professors 15 female professors 13 Male teaching assistance and 10 female teac

hing assistance if a person is selected at random from a group find the probability that the selected person is a professor or male
Mathematics
1 answer:
Zinaida [17]3 years ago
4 0

Answer:

hdhdhddjxjsiaaknsnxxusnnsndjdjdusosksndbhxuchxbs

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What is the standard form of this complex number? (24-10i)-(43+18i)
Yuki888 [10]

Answer:

-19-28i

Step-by-step explanation:

Simplify and write the answer in standard form, a+bi.

6 0
3 years ago
Classify the following triangle. Check all that apply.
Pachacha [2.7K]
That is a Right Triangle
7 0
3 years ago
Solve for h<br> -8 &lt; -4h + 20
Vladimir [108]

Answer:

h < 7

Step-by-step explanation:

-8 < -4h + 20

4h < 28 / : 4

h < 7

5 0
3 years ago
Simplify <br><img src="https://tex.z-dn.net/?f=%20%20%5Csqrt%7B%20-%20180%7D%20" id="TexFormula1" title=" \sqrt{ - 180} " alt="
QveST [7]

Answer: (6\sqrt{5})i

This is the same as saying 6i\sqrt{5}

====================================================

Work Shown:

\sqrt{-180} = \sqrt{-1*36*5}\\\\\sqrt{-180} = \sqrt{-1}*\sqrt{36}*\sqrt{5}\\\\\sqrt{-180} = i*6*\sqrt{5}\\\\\sqrt{-180} = 6i\sqrt{5}\\\\\sqrt{-180} = (6\sqrt{5})i\\\\

where i = \sqrt{-1}

As the steps show above, the idea is to factor the radicand into smaller pieces where one of those pieces is the largest perfect square possible. In this case, 36 is the largest factor of 180 that's a perfect square. Then I used the rule \sqrt{A*B} = \sqrt{A}*\sqrt{B} to break up the root.

The parenthesis used at the very end is to help separate the 6\sqrt{5} from the i term. The "i" is not under the square root.

4 0
3 years ago
Please help me please and thank you
Likurg_2 [28]

Answer:

f(x)= x^2 - 2, the one in red.

Step-by-step explanation:

To move a quadratic function up/down, you change the value at the very end of the formula.

So instead of f(x)= x^2 + 1, you would do f(x)= x^2 - 2, to move it down 3. This would be the one in red.

6 0
3 years ago
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