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Rashid [163]
3 years ago
11

What is the solution to the following system of equations?

Mathematics
1 answer:
suter [353]3 years ago
8 0
(8, 2) 

You can get this by using elimination. Multiply the bottom equation entirely by -5 and the x terms will cancel. You can then solve for the y value and use that to find the x. 
You might be interested in
You scored an 85 on a test. This corresponds to a z-score of 1.80. What percentage of the scores are better than yours?
Scrat [10]

At a z-score of 1.80, the percentage of the scores that are better than yours is equal to 3.59%.

<h3>What is a z-score?</h3>

In Mathematics, a z-score is sometimes referred to as a z-value or standard score and it can be defined as a measure of the distance between a raw score and the mean, when standard deviation units are used.

<h3>How to determine the percentage?</h3>

Mathematically, the z-score of a given sample score in a normal distribution can be calculated by using this formula:

Z-score = (x - μ)/σ

Where:

  • x represents the sample score.
  • σ represents the standard deviation.
  • μ represents the mean score.

Since a score of 85 on a test corresponds to a z-score of 1.80, the percentage of the scores that are better than yours is given by:

P(x > 85) = P(z > 1.80)

P(z > 1.80) = 0.0359

P(z > 1.80) = 3.59%.

Read more on z-scores here: brainly.com/question/26714379

#SPJ1

5 0
1 year ago
Tiffany has eaten 1/4 of her candy bar.William has eaten 2/8 of his candy bar.Who has eaten the greater amount? Explain your ans
zalisa [80]
Neither one has eaten a greater amount, because 1/4 and 2/8 are equal to each other. You know this because when you divide the numerator and the denominator of 2/8 by 2, you get 1/4, which is the exact same thing. The only way the amounts would vary is if the size of one candy bar is greater than the other.
8 0
3 years ago
Read 2 more answers
Cher invested $10,000 in an account that earns 2% simple interest. If Cher makes no more deposits or withdrawals, then what will
Yanka [14]

Answer:

$10,600.00

Step-by-step explanation:

I=PRT

I=(10,000)(0.02)2

10,000

× .02

______

200

×3

____

600.00

+10000

________

10,600

3 0
3 years ago
What is the orthocenter of the triangle with two altitudes given by the lines x=-1 and y=x+1
timama [110]
The answer to the problem is as follows:

<span>The orthocenter is where the altitudes of a triangle are concurrent (where they intersect each other). On your graph, that would be (-1,0)

I hope my answer has come to your help. God bless and have a nice day ahead!</span>

3 0
4 years ago
Read 2 more answers
Can someone plz help me solved this problem? I need help ASAP! I will mark you as brainiest!
Gennadij [26K]

Answer:

Pat would be 32 and Patrick will be 9 before the 5 years

Step-by-step explanation:

pat is older by 23

in 5 years the dad will be 28 years older than his son and 28 x 1/2 = 14

so the son will be 14 in 5 years so he would be 9 now making the dad 23 years older the dad would be 32

4 0
3 years ago
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