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Pavel [41]
3 years ago
7

What do scientists usually do if they can't draw clear conclusions?

Mathematics
1 answer:
Dmitry_Shevchenko [17]3 years ago
8 0

Answer:

<em>B. collect more data to support their hypothesis.</em>

<em>D. something the data do not directly show, but that can be found indirectly.</em>

<em>A. agree with the hypothesis.</em>

Step-by-step explanation:

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Consider the quadratic function:
sdas [7]

Answer:

Step-by-step explanation:

I'm not sure how you are finding this in class, but the easiest way by far is to use the expressions for h and k:

h=\frac{-b}{2a}  and

k=c-\frac{b^2}{4a}

(Just a fun fact:  Those expressions come from the quadratic formula that help us to factor a quadratic equation.)

Filling in for h:

h=\frac{-(-8)}{2(1)}  simplifies to

h = \frac{8}{2}=4

Filling in for k:

k=-9-\frac{(-8)^2}{4(1)}  which simplifies a bit to

k=-9-\frac{64}{4}  which simplifies a bit more to

k=-9-16=-25

The vertex, then, is (4, -25).

You would also find this if you completed the square.  But again, I'm not sure how you're solving for the vertex in class.

8 0
2 years ago
-3/7 x -3/7 = what ? please help
Snowcat [4.5K]

Answer:

9/49 is the answer

Step-by-step explanation:

3 0
3 years ago
The solution to the problem and how would I work it out?
Zinaida [17]

Answer:

x >=5  or x <=-3

Step-by-step explanation:

Solve an absolute value inequality

3|x-1| >= 12

Divide each side by 3

3/3|x-1| >= 12/3

|x-1| >= 4

Now there are two solutions

x-1 >= 4   or x-1 <= -4

Add 1 to each side

x-1+1 >= 4+1   or  x-1+1 <= -4+1

x >=5  or x <=-3

8 0
1 year ago
Last year,Vicki rented 131 videos,and Chris rented 80 videos.Together they rented 173 more videos than the average couple rents
Fynjy0 [20]

Answer: 38 Videos

Step-by-step explanation:

Add Vikki’s and Chris’s videos (131+80=211)

If they rented 173 more than the average couple you need to subtract Vikki’s and Chris’s amount from 173 (211-173=38)

That will give you the average videos other couples rent

3 0
3 years ago
Read 2 more answers
Algebra help please? If you can help with even only one question I would be forever grateful!! Thanks!
Goryan [66]
<span>The half life of carbon 14 is 5,730 years. Round your answer to the nearest thousand

Answer - 6,000 years </span>
6 0
3 years ago
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