Answer:
x=½
y=5
Step-by-step explanation:
(8x+7y=39)2
16x+14y=78
<u>4</u><u>x</u><u>-</u><u>1</u><u>4</u><u>y</u><u>=</u><u>-</u><u>6</u><u>8</u> add the two equations
20x=10.
divide both sides by 20
x=½
8x+7y=39
4+7y=39
7y=39-4
7y=35
y=5
That mean something is suspicious because they are hiding something from u
52 weeks in a year.
671 × 52 = 34892
Salary in 1 year: $34892.00
The reason why the number of failures and successes in two population proportions must be up to 10 is because it is important to have many of samples from both populations.
<h3>What is a Confidence Interval?
</h3>
This refers to the probability displayed that a parameter will exist between a pair of values around the mean.
It measures the extent to which one can be certain or uncertain about ones sampling method. Confidence Intervals are usually constructed using levels of 95% or 99%.
Learn more about confidence interval in the link below:
brainly.com/question/15712887
The gcf of 36 and 72<span> is the largest positive integer that divides the numbers 36 and 72 without a remainder. Spelled out, it is the greatest common factor of 36 and 72. Here you can find the gcf of 36 and 72, along with a total of three methods for computing it. In addition, we have a calculator you should check out. Not only can it determine the gcf of 36 and 72, but also that of three or more integers including thirty-six and seventy-two for example. Keep reading to learn everything about the gcf (36,72) and the terms related to it. kmd</span>