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shepuryov [24]
2 years ago
9

Helpp ASAP I’m timed I give Brainly things so hurry;)))

Mathematics
1 answer:
Deffense [45]2 years ago
5 0

Answer: Its A

Step-by-step explanation: The square root of 88 is 9.3.... add 2/5 and you get 9.78083151 and its not rational

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Suppose that we were going to conduct a study to determine if there is an decrease in risk of getting lung cancer based on wheth
nalin [4]

Answer: Option C

Step-by-step explanation:

In group(1), the risk is= 5/2000 x 100

                          = 0.25

In group(2), the risk is= 5/1000 x 100

                         = 0.5

The sample relative risk is= 0.25/0.5

                                          = 0.5

So, option C is correct.

7 0
2 years ago
Find x if AB = 9, BC = 2x - 5,<br> and AC = x + 9
Oxana [17]

Answer:

x = 5

Step-by-step explanation:

Using the fact that line segments AB and BC are parts of the whole line segment AC, we can write the following equation:

AB + BC = AC

Now, using the given values, we can substitute in for the equation and solve for x:

AB + BC = AC

9 + 2x - 5 = x + 9

2x + 4 = x + 9

x = 5

Thus, we have found that for these sets of equations for these line segments, our value for x should be 5.

Cheers.

5 0
3 years ago
Read 2 more answers
What do you know to be true about the values of a and b?
Nady [450]

Answer:

A

Step-by-step explanation:

The triangles are the same size but in a different form. Y= 50 and a and b equal eachother.

7 0
3 years ago
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The sales tax on a used car is​ $168168​, and the sales tax rate is 55​%. Find the purchase price ​(the price before taxes are​
Naily [24]

Answer:

$92492.40

Step-by-step explanation:

168168.00 - 55% (75675.60)= $92492.40

7 0
3 years ago
If you answer all of these I will give brainliest if it will let me!!!!!
Tamiku [17]

Answer:

1-8

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