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AlexFokin [52]
3 years ago
8

Can you guy's please help me out I was absent and now I don't have a clue!

Mathematics
1 answer:
Elena-2011 [213]3 years ago
6 0
For these problems you have to use PEMDAS so for problem 15 you would do the parentheses first, (21-3) you get 18 and then exponents, 3^2, you get 9, no multiplication but there is division so take your answers, 18 and 9 and divide them, you get 2, so the answer to 15 is 2.
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The angle of elevation of the top of a tower from a point 100m away is 45 degrees. What is the height of the tower to the neares
vladimir2022 [97]

Answer:

SOHCAHTOA.

TOA=opposite/adjacent.

Tan45=100/h.

h tan45=100.

h×1=100.

h=100m

7 0
3 years ago
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The population of Yuba City, California is 61,360 people. What is 61,360 rounded to the nearest thousand? * 5 points
Cloud [144]

Answer: 61,000

Step-by-step explanation:

61,360 is nearest to 61,000 then too 62,000

3 0
3 years ago
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{6y^3+2y^2}{10y^2}= 10y 2 6y 3 +2y 2 ​ =start fraction, 6, y, cubed, plus, 2, y, squared, divided by, 10, y, squared, end fracti
malfutka [58]

Answer:

y=0

Step-by-step explanation:

Definition:An expression is undefined at the value(s) at which the denominator equals zero.

We are to determine the value of y that makes the expression undefined.

\dfrac{6y^3+2y^2}{10y^2}

We equate the denominator to zero and solve for y.

10y^2=0\\y^2=0\\y=0

Therefore, at y=0, the given expression is undefined.

8 0
3 years ago
Ann Landers – who wrote a daily advice column appearing in newspapers across the country – once asked her readers, "If you had i
elena55 [62]

Answer:

It shows that the survey is meaningless because of voluntary response bias.

Step-by-step explanation:

This survey in the question provides a very good example of voluntary response bias and this often overrepresents negative opinions. Now, the people who chose to respond were most likely parents who were very unhappy, and so, there is very little chance that the 10,000 respondents were representative of the population. Knowing more about her readers, or taking a sample of the sample, would not have helped.

Thus, we can conclude that ;The survey is meaningless because of voluntary response bias.

8 0
3 years ago
Which graph represents -5x+4y > -1
Nikitich [7]

Answer:

Were is the graph

Step-by-step explanation:

show me the graph

8 0
3 years ago
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