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Andreyy89
3 years ago
7

Please help me TwT Please and Thank you!

Mathematics
2 answers:
lions [1.4K]3 years ago
6 0

Answer:

C. None Of The Above

Step-by-step explanation:

Hope this helps

Llana [10]3 years ago
3 0

Answer:

Option C (None Of The Above)

Step-by-step explanation:

Given expression = -  (\frac{ - e}{ - f} )

Lets multiply the numerator and denominator by -1.

=  >  - ( \frac{ - e \times  - 1}{ - f \times  - 1} )

=  >  - ( \frac{e}{f} )

Now , lets open the brackets.

=  >  \frac{ - e}{f}

But as this expression is not there in the given options , the correct answer will be Option C.

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Question 2 of 10
Firdavs [7]

Answer:

B. The mean absolute deviation is 3

Step-by-step explanation:

7 0
3 years ago
Determine whether the underlined number is a statistic or a parameter. In a study of all 1700 professors at a college, it is fou
lilavasa [31]

Answer:

The first option is correct.

Parameter because the value is a numerical measurement describing a characteristic of population.

Class width = 12.375

B. 21.34, 47, 60, 73, 86, 99. 112 is the lower class limit

Step-by-step explanation:

The first option is correct.

Parameter because the value is a numerical measurement describing a characteristic of population.

Parameter is a measure that describes the entire population.

Statistic basically describes a sample of the population.

From the given information , the entire 1700 professors at a college is the population and only  35 % own a television is a characteristic, called parameter, of population.

Another objective we are to find here is:

Use the given minimum and maximum data entries, and the number of classes, to find the class width, .

Class width = Maximum - Minimum /No of classes

Given that :

Maximum = 120

Minimum = 21

number of classes = 8

Then;

Class width = 120 - 21 /8

Class width = 12.375

From the given information :

B. 21.34, 47, 60, 73, 86, 99. 112 is the lower class limit

7 0
3 years ago
Please Help !!!!
swat32
The answer is A. Here's the equation graphed and shows why the answer is A

8 0
3 years ago
Abraham is installing carpet in his bedroom. On the blueprints, Abraham's bedroom is 6 inches wide and 10 inches long. If the sc
erma4kov [3.2K]

Answer:

240 square feet

Step-by-step explanation:

Hello, I can help you with this

Step one

find the real scale

According to the data

scale is 1 in : 2 ft

also remember  1ft=12 inches

so

scale is 1in: 2(12 inches)

scale is 1 in :24 in

the purpose of use inches a unit in both sides is to eliminate the, the scale must be adimensional

so escales is

1:24  , this means, that a measure on the blueprint must be multiplied by 24 to know its real value

Step 2

with the escale find the real dimensions, you can use a rule of three

Abraham's bedroom is 6 inches wide

blueprint ⇔ bedroom

1 in ⇔ 24 in

6 in ⇔x

x=(6*24)/1

x=144 inches=12 ft

 Abraham's bedroom is  10 inches long

1 in ⇔ 24 in

10 in ⇔y

y=(10*24)/1

x=240 inches=20 ft

Step  3

find the area

the area is wide *long

area=x*y

area=12ft*20ft

area=240 square feet.

Have a good day

5 0
3 years ago
Solve the following quadratic function
Leya [2.2K]

Answer:

x = ± 10

Step-by-step explanation:

to solve the equation let y = 0 , that is

100 - x² = 0 ( add x² to both sides )

100 = x² ( take square root of both sides )

± \sqrt{100} = x , that is

x = ± 10

8 0
3 years ago
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