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Alex17521 [72]
3 years ago
14

-3r + 3 (r - 2) = -2 (r + 6)

Mathematics
2 answers:
krok68 [10]3 years ago
8 0

Answer:

r= -3

Step-by-step explanation:

Hope it helps

trasher [3.6K]3 years ago
5 0

Answer:

r=-3

Step-by-step explanation:

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What is the value of -44
garik1379 [7]
Hi friend!


I presume you mean "What is the absolute value of -44!

Well an absolute value is always positive. So the absolute value of -44 is 44!


Hope I helped!


If not, tell me more clearly what you need!
4 0
3 years ago
Read 2 more answers
Exhibit 6-2 the weight of football players is normally distributed with a mean of 200 pounds and a standard deviation of 25 poun
Evgen [1.6K]
The question is asking for the lower bound of the 95% two tailed Confidence interval of the normally distributed population.

95% C.I. is given by 200 + or - 1.96(25) = 200 + or - 49 = (151, 249)
Therefore, the minimum weight of the middle 95% of players is 151 pounds.
5 0
3 years ago
Age If you add Natalie's age and Fred's age, the result is 43. If you add Fred's age to 4 times
Len [333]
Let’s take fred age as x and Natalie’s age as y.
So,
A/Q
X + Y = 43. Let it be eqution 1
and
X + 4Y = 79. Let it be equation 2


Combining equation 1 and 2, we get

( X + Y) + 3Y = 79
43 + 3Y = 79
3Y = 36
Y = 12

Now, evaluating the value of Y in equation 1 we get,

X + 12 = 43
X = 31

Therefore, Fred is 31years old and Natalie is 12 years old.
8 0
2 years ago
on Monday Jimmy went to see a movie that was 112 minutes long jimmy was late and missed first 12 minutes of the movie what fract
fgiga [73]

Answer:

100 / 112

Step-by-step explanation:

100 miniuts is a part of 112 adn is not a fraction and it does not say to siplify so you should be good.

6 0
2 years ago
Consider a binomial experiment with n trials and r successes. To construct a test for a proportion p, what value do we use for t
madam [21]

Answer:

value we use for z value of  sample test  is r/n

Step-by-step explanation:

Given data

proportion p

trials  = n

successes = r

to find out

what value we use for z value of  sample test

solution

here

we know that

Probability of a success in single trail test = Number of successes/Number of trails

Probability of a success in single trail = r / n

so that

value we use for z value of  sample test  is r / n

3 0
3 years ago
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