Answer: -4
Step-by-step explanation:
-1.5(4-r)=-12
Divide both sides by -1.5
4-r=8
-r=4
r=-4
Therefore, the value of r is -4
1/3 is also 2/6 and 1/2 is also 3/6 add and Timothy needs 5/6 cups
Answer:
49
Step-by-step explanation:
Let be the unknown number. Twice means times 2. So, the mathematical sentence should be .
Divide both sides by 2.
To remove the radical symbol, raise both sides to the second power.
Thus, the answer is 49. Twice the square root of 49 is equal to 14.
*CREDIT* goes to CebuMath: https://brainly.ph/question/1047782
HE SOLVED THIS NOT ME.
Answer:
a
Step-by-step explanation:
it is being reflected of the other end
For a triangle to be right angled the largest side squared must equal the sum of the squares on the other 2 sides ( Pythagoras theorem)
1. 101^2 = 99^2 + 20^2 so its is right angled
2. 28^2 is not equal to 26^2 + 12^2 - not right angled
3. 17^2 not euql to 14^2 + 6^2 - not