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3 years ago

Someone please help i can’t find the answer.

Mathematics

1 answer:

zlopas [31]3 years ago

3 0

Answer:

f(3) = 4

Step-by-step explanation:

Give x = 3 in the interval x ≥ 1 then f(x) = x + 1 , and

f(3) = 3 + 1 = 4

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The number of hours of TV watched each week by 8 seventh grade students is shown below.

Vesnalui [34]

Answer:

(a)Mean=7 Hours

(b)Mean Absolute Deviation=2.5 Hours

Step-by-step explanation:

Given the number of hours of TV watched each week by 8 seventh grade students shown below.

11, 7, 9, 3, 3, 8, 10, 5

(a)Mean

$Mean=\dfrac{\text{Addition of all the terms}}{\text{Number of Terms}} \\=\dfrac{11+7+9+3+3+8+10+5}{8} \\=\dfrac{56}{8} \\$Mean Number of Hours=7$

(b)Mean absolute deviation

$M.A.D=\dfrac{|11-7|+|7-7|+|9-7|+|3-7|+|3-7|+|8-7|+|10-7|+|5-7|}{8} \\=\dfrac{4+0+2+4+4+1+3+2}{8} \\=\dfrac{20}{8}\\$Mean Absolute Deviation=2.5 Hours$ (c)The Mean Absolute Deviation tells us how far, on average, all values are from the mean. The Mean absolute deviation of 2.5 Hours tells us that each hour is on the average far from the mean number of hours by 2.5 Hours.

3 0

3 years ago

a store sells AA batteries in packages of 10 batteries. They also sell boxes of packages, cases of 10 boxes, and cartons of 10 c

r-ruslan [8.4K]

Answer:

(a)1000 AA Batteries in one Case

(b)10,000 AA Batteries in One carton

Step-by-step explanation:

The Store sells AA batteries in the order below:

10 batteries in 1 packages
10 packages in 1 box
10 boxes in 1 case
10 cases in 1 Carton

(a) We want to determine how many AA batteries are in 1 Case

Using Multiplication

Number of AA Batteries in 1 Case = 10 Batteries X 10 package X 10 box

=1000 AA Batteries

(b)We want to determine how many AA batteries are in 1 Carton

From Part (a),

There are 1000 AA Batteries in 1 Case

Since there are 10 Cases in 1 carton

Number of Batteries in 1 carton = 10 X 1000 =10,000 AA Batteries

1 carton = 10000 AA Batteries

Therefore, 10 Cartons = 10 X 10000 =100,000 AA Batteries

3 0

3 years ago

What does this equal<br> -5/6+(-5/6)=

Contact [7]

Answer:

-5/3

Step-by-step explanation:

5 0

2 years ago

O buy a car for $36,000, Stacy uses her credit card which charges 20% interest and borrows

Shalnov [3]

Answer:

+38000

Step-by-step explanation:

5 0

3 years ago

-5/6+?=a negative number<br><br> PLS HELP

Aleks04 [339]

Answer:

Any number less than 5/6 would work

Examples: 2/3, 1/2, 0, -1, -4, -100

7 0

3 years ago

Read 2 more answers