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9966 [12]
3 years ago
8

The histogram below shows information about the hours students spent exercising in a week: 

Mathematics
1 answer:
DENIUS [597]3 years ago
5 0
The median I think is 5 or 9 I think because if you take the middle numbers and subtract them the answer would be 5 if your just looking at the middle number which would be 9 because is in the middle I hope that helped see you next time -sincerely sarah
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What is the 8th term of the sequence 1, 3, 9, 27, 81,... .
slega [8]

9514 1404 393

Answer:

  2187

Step-by-step explanation:

This geometric sequence has a first term of 1 and a common ratio of 3. Its general term can be written as ...

  an = a1·r^(n-1)

  an = 3^(n-1)

Then the 8th term is ...

  a8 = 3^(8-1) = 2187

4 0
3 years ago
What is the common ratio of the geometric
Reptile [31]

the answer is B. 7

Step-by-step explanation:

it's the number u see the most therefore its the most common

3 0
3 years ago
Read 2 more answers
What is the equation of a line perpendicular to:
Nataly [62]

Step-by-step explanation:

"perpendicular" means it creates a right angle (90°) with the original line.

a key element is the slope (the incline) of the line.

it is the factor of x (here 1/4 for the original line) and is defined as the ratio of "y coordinate change / x coordinate change" when going from one point on the line to another.

the given slope of 1/4 means that for every increase in x by 4 units y increases by 1 unit.

now if you want to draw a few random lines, and then draw lines that cross them with a right angle, you will see very quickly the relationship of the slopes of the crossing lines :

for the slope of the perpendicular line x and y of the original slope trade places (the ratio turns "upside-down") and the sign of the slope flips (if the original line goes up, then the perpendicular line goes down and vice versa. so + turns into -, and - into +).

so, our original slope 1/4 turns into -4/1 = -4.

we still have infinite possibilities to draw such a perpendicular line (more up or more down on the coordinate grid).

to finally "nail" one particular line we need to use the given point and solve for the y-intercept.

the general slope-intercept form is

y = ax + b

a is the slope, b is the y-intercept (the y value for x = 0).

so, using the slope (-4) and the point (2, 5) we have

5 = -4×2 + b = -8 + b

13 = b

so, the full equation is

y = -4x + 13

7 0
2 years ago
22) Find the measure of angle A to the nearest degree. Find the length of side b, to tenths.
mr Goodwill [35]

Answer:

m∠A = 31

b = 13.3

Step-by-step explanation:

5 0
3 years ago
2. A bowling alley charges $3.00 to rent shoes and $1.50 per game bowled.
Zina [86]
3+1.50n would be an expression for this
6 0
3 years ago
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