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stiv31 [10]
2 years ago
13

3x-2y=7-x+3y=-7What is the simultaneous answer?​

Mathematics
1 answer:
charle [14.2K]2 years ago
3 0

Answer:

x = 5, Y = 4

Step-by-step explanation:

3x -2y = 7

-3x +9y = 21. (multiple the whole thing by 3 to get the xs to cancel)

7y = 28

y = 4

substitute y to find x

3x - 2(4) = 7

3x -8 = 7

3x = 15

x = 5

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3 years ago
Translate into Algebra.
S_A_V [24]

Answer: $D - $R

Step-by-step explanation:

Given the following :

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3 years ago
Kelly bought a computer that was 20% off the regular price of $1,060. If a 7% sales tax was added to the cost of the computer, w
fomenos

Answer: $ 1361.04

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4 0
3 years ago
Which data set is the farthest from a normal distribution?
Rudik [331]

Answer:

(C)0.9, 1.0, 1.0, 1.1, 1.1, 1.1, 1.2, 1.2, 1.3

Step-by-step explanation:

In (A), (B), (D) and (E) options, all have similar set of numbers and ranges between 2 to 10. Moreover these contains the whole numbers, so when we find mode, median and mean of these data sets, they will follow the same path.

But in (C), the data values involves decimals and are not the part of the other data values and it goes from 0.9-1.3, thus making them farthest from a normal distribution when mean, mode and median are calculated.

Thus, option (C) is correct.

5 0
3 years ago
Read 2 more answers
On a normal distribution of iq test scores, the average score would be:
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The average IQ test score would be 100.

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Average IQ Score

A score of 100 is regarded as the average IQ on various tests. The majority of results (68%) are within one standard deviation of the mean (that is, between 85 and 115). This indicates that the average result is within plus or minus 15 points for almost 70% of test takers.

Learn more about average here:

brainly.com/question/2426692

#SPJ4

4 0
2 years ago
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