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Mariulka [41]
3 years ago
12

Select the correct answer. Solve the following equation by completing the square.

Mathematics
1 answer:
Kisachek [45]3 years ago
5 0

Answer:

A project?

Step-by-step explanation:

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Solve and graph the inequality:-12>-k-(3k+4)
Ber [7]
Alright Fabian, here's the deal.

First you need to solve the inequality for k. To do this, you have to 
a) distribute the -(3k + 4)
b) collect like terms: -k - 3k 
c) move the term with k to the left (optional but it's a habit)
d) divide both sides by the coefficient. Check out picture for details. 

4 0
3 years ago
A bowl contains 6 green grapes, 10 red grapes, and 8 black grapes. Which of the following is the correct
irina1246 [14]

Using the it's concept, the correct calculation for the probability of choosing a red grape and then without putting the red grape back into the bowl, choosing a green grape is:

p = \frac{5}{2} \times \frac{1}{23} = \frac{5}{46}

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

In this problem, we have that there is a total of 6 + 10 + 8 = 24 grapes. For the first grape, 10 are red, hence the probability that the first grape is red is:

pR = \frac{10}{24} = \frac{5}[12}

For the second grape, considering that the first was red and was removed, there will be 23 grapes, out of which 6 will be green, hence the probability that the second grape is green is:

pG = \frac{6}{23}

Hence the correct expression is found as follows:

p = pR \times pG = \frac{5}{12} \times \frac{6}{23} = \frac{5}{2} \times \frac{1}{23} = \frac{5}{46}

More can be learned about probabilities at brainly.com/question/14398287

#SPJ1

5 0
2 years ago
Solve inequality <br> -3m &gt; 75
Dahasolnce [82]

Step-by-step explanation:

-3m > 75

3m < -75

m < -25

that's it.

8 0
2 years ago
Read 2 more answers
What is the length of /AB?
Alekssandra [29.7K]

Answer:

\sqrt{53}

Step-by-step explanation:

8 0
3 years ago
What’s the question mark
nikitadnepr [17]

Answer:

? = 30

Step-by-step explanation:

If the triangles are similar, then the only way I see this working is the sides measuring 63 and 54 are corresponding. The sides measuring 56 and 48 are corresponding. That leaves the sides measuring 35 and ? corresponding.

Set up a proportion.

63/54 = 35/?

63? = 54 * 35

63? = 1890

? = 30

8 0
3 years ago
Read 2 more answers
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