I am two numbers, the sum of my numbers is 100, the difference between my two numbers is 30,
Answers
The two numbers are 35 and 65.
What is an equation?
Mathematically, an equation can be defined as a statement that supports the equality of two expressions, which are connected by the equals sign “=”.
For example, 2x – 5 = 13.
Given that, two numbers, their sum is 100 and the difference between them is 30. We need to find the number,
Let the 2 numbers be x and y.
y = x + 30
Sum of the two numbers = 100
x + y = 100
x + (x + 30) = 100
2x = 70
x = 35
y = x + 30 = 65
Hence, the two numbers are 35 and 65.
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y = x + 30 ( as the difference between the two numbers is 30)
Sum of the two numbers = 100
=> x + y = 100
=> x + (x + 30) = 100 ( as y = x + 30 as shown above )
=> 2x = 70
=> x = 35
y = x + 30 = 65
Hope I helped! you may comment here if you have any further doubts and i will answer them :)
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⇒ (x+ 1/x)^2= 5^2
⇒ (x+ 1/x)^2= 25
⇒ x^2+ 2(x)(1/x)+ 1/x^2= 25
⇒ (x^2+ 1/x^2)+ 2*1= 25
⇒ x^2+ 1/x^2= 25 -2
⇒ x^2+ 1/x^2= 23
The final answer is 23~
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Answer:
She is incorrect.
Step-by-step explanation:
ABCD is a quadrilateral. Angle C measures less than 180 degrees. The sum of the measures of two supplementary angles equals 180 degrees. The sum of the measures of angles DCA and BCA equals the measure of angle C, but angle C measures less than 180 degrees, so the angles are not supplementary.
Answer:
incorrect
Step-by-step explanation:
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Hi Brainiac
6(s - 8) ≤ -18
Simplify both sides
6s - 48 ≤ -18
Now add 48
6s - 48 + 48 ≤ -18 + 48
6s ≤ 30
Divide both sides by 6 so we can find the value for s
6s/6 ≤ 30/6
s ≤ 5
I hope that's help:0
A (10,-4), B (6,-7), C (3,-3), D (7,0)
Answers
Answer:
Square
Step-by-step explanation:
Plot points A (10,-4), B (6,-7), C (3,-3), D (7,0) on the coordinate plane.
Find slopes of the sides:
The slopes of opposite sides are the same, so opposite sides are parallel. The slopes of adjacent sides have product of -1, then adjacent sides are perpendicular.
Find the lengths of all sides:
All four sides are of the same length.
Quadrilateral ABCD is a square (all sides of equal length and perpendicular)