Aliyah interviewed 20 people who have just one sibling. She asked them what the difference in age, in years, is between them and
their siblings. The line plot below shows Aliya’s data.
Aliyah removes the point representing the 10- year age difference from her data. Which measures changes the least in value when this point is removed from Aliyah’s data?
A. mean
B. Median
C. Mode
D. Range
ANSWER QUICK PLEASE WORTH 15 POINTS
Aliyah removes the point representing the 10- year age difference from her data. Which measures changes the least in value when this point is removed from Aliyah’s data?
A. mean
B. Median
C. Mode
D. Range
ANSWER QUICK PLEASE WORTH 15 POINTS
1 answer:
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Answer:
She need <u>96 square feet</u> carpet to cover the room.
Step-by-step explanation:
Given:
Tina covers the floor of a room with carpeting. She uses carpet squares that measure one foot on each side.
Now, to find carpet squares does she need to cover a room that 8 feet wide by 12 feet long.
So, the dimensions of room are:
Length = 12 feet.
Width = 8 feet.
Now, getting the area by putting formula:
<u><em>Area of room = Length × width</em></u>
Therefore, she need 96 square feet carpet to cover the room.
Question:
If the measure of arc CB is units, what is the measure of ∠CAB?
Answer:
120°
Step-by-step explanation:
The figure has been attached to this response.
The figure shows a circle centered at A and has a radius of 4 units.
Also, the length of the arc CB (as given in the question) is units.
The length <em>L </em>of an arc is given by;
L = -----------------(i)
Where;
β = angle subtended by the arc at the center of the circle and measured in degrees
r = radius of the circle
From the question;
β = ∠CAB
r = 4 units
L =
<em>Substitute these values into equation (i) as follows;</em>
=
=> =
<em>Cancel 8</em><em> on both sides</em>
=
<em>Cross multiply</em>
3 x β = 360 x 1
3β = 360
<em>Divide both sides by 3</em>
<em /><em />
β = 120°
Therefore, the measure of ∠CAB is 120°
