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sveta [45]
3 years ago
7

Can somebody help me ?

Mathematics
1 answer:
nata0808 [166]3 years ago
6 0
You are solving quadratic equations. to do so, use the quadratic formula​ when possible, or factor. 15- for example, you can factor (x+5)(x+3), therefore x=-5,-3. You then go back and plug in your answers to see if you can eliminate any of them.
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Polygons ! ( picture included)
mariarad [96]

Answer:

B

Step-by-step explanation:

2x+x=180

3x=180

x=60

2x=120

so B

hope that helps if it does please mark mine as brainliest.

8 0
3 years ago
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A group of 6 friends of varying ages meets at a coffee shop and sits in a circle. What is the probability that the
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Answer:

1 out of 6

Step-by-step explanation:

So basically the shortest is one person in the group of six aand 1/6 cant be simplified so yeah

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Use the figure to decide the type of angle pair that describes 6 and 4
kumpel [21]
It’s corresponding angles
3 0
3 years ago
I need to know the answer to 1,847,304,738 divided by 3
schepotkina [342]

Answer:

615,768,246

Step-by-step explanation:

If u divide 1847304738÷3 you get that.

3 0
3 years ago
A random sample of n = 16 professors from a university has been selected; salaries have been plotted on the following Q-Q plot.
Semenov [28]

Answer:

The objective of the confidence interval is to give a range in which the real mean of the population is placed, with a degree of confidence given by the level of significance.

The conclusion we can make is that there is 95% of probability that the mean of the population (professor's average salary) is within $99,881 and $171,172.

Step-by-step explanation:

This is a case in which, from a sample os size n=16, a confidence interval is constructed.

The objective of the confidence interval is to give a range in which the real mean of the population is placed, with a degree of confidence given by the level of significance. In this case, the probability that the real mean is within the interval is 95%.

5 0
3 years ago
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