Answer:
98
Step-by-step explanation:
The value of the expression below when x=3 and y=8 is 98.
Answer:
x = -2 and 3/4
Step-by-step explanation:
3x - 4 = 0
3x = 4
x = 3/4
x + 2 = 0
x = -2
Hopefully this helps!
Brainliest please?
Answer: 271
Step-by-step explanation:
The formula we use to find the sample size is given by :-
, where is the two-tailed z-value for significance level of
p = prior estimation of the proportion
E = Margin of error.
If prior estimation of the proportion is unknown, then we take p= 0.5 , the formula becomes
Given : Margin of error : E= 0.05
Confidence level = 90%
Significance level
Using z-value table , Two-tailed z-value for significance level of
Then, the required sample size would be :
Simplify,
Hence, the required minimum sample size =271
Answer:
221
Step-by-step explanation:
Given sequence is ,
> 5 , 6 , 7 , 8 , 9.
The common difference is 6-5 = 1 .
Therefore , the 221st number will be
> 221 st term = 221 × 1 = 221 .
<u>Hence</u><u> the</u><u> </u><u>2</u><u>2</u><u>1</u><u> </u><u>st </u><u>term </u><u>is </u><u>2</u><u>2</u><u>1</u><u> </u><u>.</u>
Answer:33
Step-by-step explanation: The expressions have equivalent values when x + 6
The expressions have equivalent values for any value of x.
When x=10 , both expressions have a value of 33.