Answer:
Step-by-step explanation:
1/2(-9+n)=20
n=40+9
n=49
Answer:
810
Step-by-step explanation:
3 x 3 x 9 x 10 = 810 [times means multiply]
Answer:
Jenna is right
Step-by-step explanation:
Jenna is right because what makes up a square is its four sides. When calculating the area of a rectangle you use the same formula as you would for a square. A rectangle is just an elongated square.
Answer:
x=3
Step-by-step explanation:
Answer:
The histogram is right-skewed.
Step-by-step explanation:
The income of all households in the United States can be categorized as low, medium and high.
Not many people earn a high income. So the proportions of people decreases as the income increases.
Most of the people earn a medium income. So the mode of the data would be somewhere in the start of the the distribution.
There are many households that earn a low income. But this proportion is not more than the proportion of people earning low income.
So the histogram for income distribution will have a long right tail with maximum data at the starting point.
This implies that the histogram is right-skewed.
