Red + green = 24; (1)
red + blue = 10; (2)
blue + green = 20; (3)

(1) - (2):
green - blue = 14; (4)

(3) + (4):
2 * green = 34;
green = 17;

Simple substitution gives:
blue = 3;
red = 7;

5 0

3 years ago

Read 2 more answers

Using Pythagorean inequalities, determine which of the following sets of values can represent the lengths of the sides of a righ

Cerrena [4.2K]

Use Pythagorean theorem.
a^2 + b^2 = c^2
D.
21^2 + 72^2 = 75^2
441 + 5184 = 5625

7 0

4 years ago

The digits of a two-digit number sum to 8. When the digits are reversed the resulting number is 18 less than the onginal

polet [3.4K]

Answer:

Step-by-step explanation:

Given: The sum of two digit number is 8

Reversing the digit will get us number 18 less than the original.

Lets take x as tenth digit of our number and y as unit digit of our number.

As given sum of digit is 8

∴ $x+y= 8$

∴ $y= 8-x$ - equation 1

We also know that reversing the digit will get us number 18 less than the original.

∴ $10y+x = 10x +y-18$

Now, lets put the value of y from equation 1

⇒ $10(8-x) + x = 10x+ (8-x)- 18$

⇒ $80-9x= 9x-10$

⇒ $90= 18x$

∴ $x= 5$

Next, substituting the value of x in equation 1

$y= 8-x$

⇒ $y= 8-5 = 3$

∴ $y= 3$

∴ The original number is 53, sum of the digit is 8 and if we reverse the digit of the number, we get 35, which is 18 less than the original number.

7 0

4 years ago