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ale4655 [162]
4 years ago
8

Find the value of 7u-4 given that 4u-3=9

Mathematics
2 answers:
amid [387]4 years ago
8 0
U= 3, so 7u-4= 17. 9+3= 12/4 = 3. 7*3=21-4= 17
Orlov [11]4 years ago
4 0
4u-3=9
4u=12
u=3

7(3)-4=17
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Factor the trinomial below x2+14x+48
Triss [41]

Answer:

(x+8)(x+6)

Step-by-step explanation:

14=6+8

48=6*8

x^2+6x+8x+48

x(x+6)+8(x+6)

(x+8)(x+6)

7 0
3 years ago
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Answer:

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3 0
3 years ago
A cube number is rolled 20 times and lands on 1 two times and on 5 four times. Find each experimental probability. Then compare
kykrilka [37]
The experiment probabilities are listed below:

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Four:  5 out of 20 =  5 / 20 = 1 / 4 = 0.25 = 25%

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The experimental probability for ones was less than and for fours it was greater than the theoretical probability. 
4 0
4 years ago
The researcher is interested to know if policy A (new) is more effective than policy B (old). Frame the hypothesis and describe
vesna_86 [32]

<u>Answer:</u>

<u>Null hypothesis: Policy B remains more effective than policy A.</u>

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<u>Step-by-step explanation:</u>

Remember, a hypothesis is a  usually tentative (temporary until tested) assumption about two variables– independent and the dependent variable.

We have two types of hypothesis errors:

1. A type I error occurs when the null hypothesis (H0) is wrongly rejected.

That is, rejecting the assumption that policy B remains more effective than policy A when it is <em>actually true.</em>

2. A type II error occurs when the null hypothesis H0, is not rejected when it is actually false. That is, accepting the assumption that policy B remains more effective than policy A when it is <em>actually false.</em>

3 0
3 years ago
ANSWER ASAP PLEASE HELP
LiRa [457]

Answer:

I'm guessing 6

Step-by-step explanation:

It's probably wrong.. Sorry :(

8 0
3 years ago
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