Answer:
my answers are
Step-by-step explanation: A,C so correct me if i'm wrong
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Explanation:</h2><h2>
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Here we need to set a system of two linear equations in two variables. So:
- <em>The sum of digits in a two digit number formed by two digits from 1 to 9 is 8:</em>
Let 
be those digits, then:
- <em>If 9 is added to a number then both the digits become equal. find the number:</em>
<em />
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But from eq 1:
Substituting y into the expression 1:
The x-value will be found by hit and trial, so:
We have to reject this solution because digits are different.
We have to reject this solution because digits are different.
<em>Then this is a two digit number formed by two equal digits. </em>
Finally, the number is:
44
Answer:
c = 17
Step-by-step explanation:
Use the Pythagorean Theorem to solve this problem.
The equation is a² + b² = c².
"a" and "b" are the length of the two shorter sides or values.
"c" is the length of the longest side or value, also the hypotenuse.
Since we know the two smaller values, we can <u>replace "a" and "b" with 8 and 15</u>. It does not matter which letter you decide to replace with which number.
Then<u> simplify and isolate "c" </u>to find the largest value.
a² + b² = c²
8² + 15² = c² Substitute "a" and "b". Square the numbers to simplify
64 + 225 = c² Add to simplify
289 = c²
√289 = √c² Square root both sides
√289 = c "c" will be isolated because √ and ² are reverse operations
c = √289 Put 'c' on the left side for standard formatting.
c = 17 Answer
Therefore the largest value, c, is 17 in the triple.
Answer:
A. 4th quadrant
B. 2nd quadrant
C. 3rd quadrant
D. 4th quadrant
Step-by-step explanation:
No need to explain
