Answer:
91
Step-by-step explanation:
85=last 4 tests
(85+x)/2=88
85+x=176
x=91
Answer:
The value of x is 11.
Step-by-step explanation:
The given number is 0.27272727..., and it is converted to the fraction as
..... (1)
Multiply both sides by 100.

.... (2)
Subtract equation (1) from equation (2),


Multiply both sides by x.

Divide both sides by 27.


Therefore the value of x is 11.
Answer:
(sin(t)+cos(t))^2=sin^2(t)+cos^2(t)+2sin(t)cos(t)=1+sin(2t)\\
Step-by-step explanation:
hopefully this helps!
Answer:
she needs to put in 5 more cups of sugar.
Step-by-step explanation:
in the word problem it states that shee needs 7 cups of sugar and since she already put in 2 cups, you have to subtract 2 from 7 since she already put 2 cups in, and then you get your answer which is 5 more cups.