Answer:
x = - 130.5
Step-by-step explanation:
2x + 5 + 256
2x = -261
x = - 130.5
Tell me if I am wrong.
Can I get brainliest
Answer:
50.4
Step-by-step explanation:
mean is just another way for syaing average
all the numbers added = 504
dived it by the number of scores
504 divided by 10 = 50.4
Step-by-step explanation:
Given,
x = y - 3
Also,
6(y - 3) = 3y + 6
6y - 18 = 3y + 6
6y - 3y = 6 + 18
3y = 24
y = 24/3
y = 8
x = 8 - 3
x = 5
Therefore, the first number is 5 and the second number is 8.
Answer:
1/10
Step-by-step explanation:
First you've got to find common denominators. The common denominator would be 10 since 10 is divisible by 5 and 10. That means you've got the change the denominator of -4/5. Multiply both the numerator and denominator by 2 to grt -8/10.
Then all you have to do is:
9 + -8 1
——— = —
10 10
Khan academy also has some great videos on this if you're confused.
