20x+50=450
-50 -50
20x=400
Divide both sides by 20
X=20
B) her sample was larger.
<u>Explanation:</u>
While some people own two pairs of shoes, others may own 20 or more pairs. This high degree of variation shows up as a high
interquartile range in a statistically meaningful survey. Carmen’s data is more accurate because her sample was larger.
Convert to radical form using the formula
a
x
n
=
n
√
a
x
a
x
n
=
a
x
n
.
Exact Form:
8
√
5
5
8
Decimal Form:
1.22284454
…
Answer:
A.23
B. 145
C. 185.4
D. 68
E.72.8 with a decimal and 728 without a decimal which ever one is it
Step-by-step explanation:
mark brainleist pls
14.a. (2x+2)(5-x^2)
2x+2=0
2x=-2
x=-1
5-x^2=0
x^2=5
x=square root of 5
Therefore x=-1, square root of 5
14.b. f(x)= (2x+2)(5-x^2)
=10x+10-2x^3-2x^2
=-2x^3-2x^2+10x+10
