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NemiM [27]
3 years ago
10

Marking brainliest!!!!!

Mathematics
1 answer:
rosijanka [135]3 years ago
6 0
Have a quadratic like ax^2+bc+c=0
Then the maximum/minimum is when x = (-b)/2a
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How do we calculate 25% of 300
Natali5045456 [20]
25% is equal to \frac{1}{4}. To get 25% of 300, we multiply 300 by either 0.25 or \frac{1}{4}. This gives us (300)( \frac{1}{4}) =  \frac{300}{4}  =  \frac{150}{2} = 75
4 0
4 years ago
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Three number cubes are rolled . What is the probability of three fives.
Vanyuwa [196]
I think it 3/18 if it’s lowest terms/simplest form 1/6
8 0
4 years ago
A medical researcher wants to measure the effects of a new drug on cholesterol levels using a hypothesis test. The target is a 3
maria [59]

Answer: e. test for a difference in two population means

Step-by-step explanation:

Since the researcher takes a random sample of patients and measures their cholesterol levels before and after a treatment cycle of the drug, then the two samples are matched pairs. The difference between both samples would be determined and the mean and standard deviation of this difference is calculated. This would be used to determine the test statistic.

Therefore, the type of hypothesis test that they should use is

e. test for a difference in two population means

8 0
3 years ago
I don't get it please Help me
fenix001 [56]

Step-by-step explanation:

A. 2(x+4)=2x+8

=G

B. 3(2x-1)=6x-3

=I

C. 4(x+2)=4x+8

=J

D. 2(x+3)=2x+6

=K

E. 3(4x+1)=12x+3

=H

A - G

B - I

C - J

D - K

E - H

<em><u>H</u></em><em><u>O</u></em><em><u>P</u></em><em><u>E</u></em><em><u> </u></em><em><u>I</u></em><em><u>T</u></em><em><u> </u></em><em><u>H</u></em><em><u>E</u></em><em><u>L</u></em><em><u>P</u></em>

5 0
3 years ago
What is the answer to this 3a^2-9a
olchik [2.2K]
If i'm correct, the answer should be

-3a

hope this helped! 8)

4 0
3 years ago
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