Answer:
A
Step-by-step explanation:
Luis because the sample is taken from the population of all seventh graders.
Answer: C
<u>Step-by-step explanation:</u>
∑ 8(
)⁽ⁿ⁻¹⁾ from n = 1 to n = 5
n = 1 → 8()⁽¹⁻¹⁾
= 8 = 
n = 2 → 8()⁽²⁻¹⁾
= 
= 
n = 3 → 8()⁽³⁻¹⁾
= 
= 
n = 4 → 8()⁽⁴⁻¹⁾
= 
= 
n = 5 → 8()⁽⁵⁻¹⁾
= 
=
Sum = 
= 408.99
It’s B 20 students I am sure that’s correct
Answer:
18
Step-by-step explanation:
just add them unless you have to find the numbers for the 2 little squares
Answer:
y= 11
Step-by-step explanation:
First label the 2 equations.
y= 5x +6 -----(1)
y= x +10 -----(2)
susbt. (1) into (2):
5x +6= x+10
5x -x= 10 -6 <em>(bring</em><em> x terms to 1 side, constant to the </em><em>other)</em>
4x= 4 <em>(</em><em>simplify</em><em>)</em>
x= 4 ÷4
x= 1
susbt. x=1 into (2):
y= 1 +10
y= 11 <em>(</em><em>simplify</em><em>)</em>
Thus, the value of y is 11.
