We have an equation with parentheses. To make our lives easier, first get rid of the parentheses. We do this by using the distributive property.
It is used like this: a(b + c) = ab + ac.
Use the distributive property on the left-hand side.
3(x - 1) = 6
3x - 3 = 6
Now we have an equation that is easier.
The x variable is being multiplied by 3 and added to -3.
Reverse all of these operations with their inverse operation.
3x - 3 = 6
3x = 9 <--- I got rid of the -3 term by using the inverse of subtraction. Addition.
And I did the same for both sides to keep the equation true.
x = 3 <--- The inverse of multiplication is division.
So, I divided both sides by 3.
So, x is equal to 3.
Answer: A) c=10x
Step-by-step explanation:
because im to smart and add then multiply 10=c
Answer:
∠ XZY ≈ 23.6°
Step-by-step explanation:
Using the sine ratio in the right triangle
sin Z = = = , thus
Z = () ≈ 23.6° ( to 1 dec. place )
C= 13 ( hypotenuse)
B= 5 (adjacent)
A= ? (opppsite)
The equation is c^2= a^2+b^2
But we need to find ?(a) so we do
c^2-b^2=a^2 and substitute the values
13^2-5^2=a^2
144=a^2
However we need a (?) alone so square root 144 and this is 12
1/2 as a decimal is 0.5 or .5