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marin [14]
3 years ago
7

Evaluate if a=2 and b=8 6+7b-3a

Mathematics
2 answers:
VladimirAG [237]3 years ago
7 0

Answer:

56

Step-by-step explanation:

6+7b-3a

Substitute:

6+7(8)-3(2)

Solve:

6+56-6

Simplify:

6+50

=56

saw5 [17]3 years ago
7 0
The answer is 68...
work out:
6 + 7(8) + 3(2)
6+ 56 + 6
68
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PLEASE HELP 40 POINTS pls answer the full question and show the process of how you found too NEED quick response.
Alex787 [66]

Answer:

D

Step-by-step explanation:

6 0
3 years ago
A random number generator is used to select an integer from 1 to 100 ​(inclusively). What is the probability of selecting the in
natima [27]

Answer:

The correct answer is zero.

Step-by-step explanation:

A random variable generator selects an integer from 1 to 100 both inclusive leaves us with total number of possible sample as 101.

We need to find the probability of selecting the integer 194.

The probability of selecting 194 from the sample is zero as the point does not exist in the random variable generator. Thus we can never pick 194 from the random variable generator giving us the probability a zero.

5 0
3 years ago
There are 20 machines in a factory. 7 of the machines are defective.
adelina 88 [10]

Answer:

0.1225

Step-by-step explanation:

Given

Number of Machines = 20

Defective Machines = 7

Required

Probability that two selected (with replacement) are defective.

The first step is to define an event that a machine will be defective.

Let M represent the selected machine sis defective.

P(M) = 7/20

Provided that the two selected machines are replaced;

The probability is calculated as thus

P(Both) = P(First Defect) * P(Second Defect)

From tge question, we understand that each selection is replaced before another selection is made.

This means that the probability of first selection and the probability of second selection are independent.

And as such;

P(First Defect) = P (Second Defect) = P(M) = 7/20

So;

P(Both) = P(First Defect) * P(Second Defect)

PBoth) = 7/20 * 7/20

P(Both) = 49/400

P(Both) = 0.1225

Hence, the probability that both choices will be defective machines is 0.1225

4 0
3 years ago
(8x-7)+5 when x is 2<br><br>​
Irina-Kira [14]

Answer:

If X=2 then the equation would be solved starting with 8x2=16 then take 16 and subtract it by 7 which would equal 9, then you take 9 and add 5 to it and that would give you the answer of 14

Step-by-step explanation:

(8x-7)+5   x=2

(8x2-7)+5

(16-7)+5

9+5

<u>Answer 14</u>

I hope this helps you

4 0
4 years ago
Question 1
Alexxandr [17]

Answer:

No, it is NOT a function.

Step-by-step explanation:

A functions' inputs are assigned to exactly one output.

We are given the points:

{(8,2) (4,-3) (6,4) (8,1)}

The input of 8 is repeating.

The given relation is not a function.  

Hope this helps!

5 0
3 years ago
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