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3 years ago

Find the value of the expression for the given values.

Mathematics

1 answer:

Helen [10]3 years ago

3 0

Answer:

If x= - 2. then 6x - 2 = -14

If x = 6, then 6x - 2 = 34

If x= - 5. then 6x-2= -32

Step-by-step explanation:

You have to substitute the value of x in the expression.

If x = -2,

6x-2 = 6*(-2) - 2 = -12-2 = -14

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20,18,13,17,18 find the mean,median and mode

Degger [83]

<h3>Answer:</h3>

Mean: 17.2

Median: 18

Mode: 18

<h3>Solution:</h3>

Mean: The sum of all observation divided by several observation

20+18+13+17+18=86
86÷5=
17.2

Median:it is the middlemost observation of data arraged in increasing or decreasing order of values

(13,17,18,18,20)
(17,18,18)
(18)

Mode:it is the value that occurs frequently in a set of data

(13 , 17 , 18 , 18 , 20)

Hope it helps

6 0

2 years ago

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An appliance company uses the function f(h) = 40h + 120 to calculate the total repair bill, f(h), for h number of hours worked.

Verdich [7]

Answer:

fh. = 40h + 120, fh. = $200

200 = 40h + 120

200 - 120 = 40h

80 = 40h

80/40 = h

2 = h

h = 2 hours.

Step-by-step explanation:

4 0

3 years ago

The surface area of a rectangular prism is 32 square inches. The volume of the prism is 12 cubic inches. The sum of all edge len

Goryan [66]

Answer:

36 cubic inches.

Step-by-step explanation:

Let the length, width and height of the rectangular prism are a, b, c respectively.

So, surface area, 2(ab + bc + ca) = 32 {Given} ............ (1)

Volume, abc = 12 {Given} ............ (2)

And, the sum of all the edges, 4(a + b + c) = 28 {Given} .......... (3)

Now, if the length width and height are increased by 1 inch, then the volume of the prism will be = (a + 1)(b + 1)(c + 1)

= abc + (ab + bc + ca) + (a + b + c) + 1

= 12 + 16 + 7 + 1 {From equations (1), (2) and (3)}

= 36 cubic inches. (Answer)

3 0

3 years ago

GIVING OUT BRAINLIEST ANSWER !! PLS HELP ME OUT !! (last minute)

Dima020 [189]

Answer:

.764

Step-by-step explanation:

do it on a calculator (TI84)

5 0

3 years ago

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A cricket team has a 0.25 chance of losing

Westkost [7]

Answer:

a) 0.125

b) 0.015635

c) 0.00000095367431640625‬

Step-by-step explanation:

a) $0.25^2 = 0.125$

b) $0.25^3 = 0.015625$

c) $0.25^{10} = 0.00000095367431640625\\\\$

8 0

3 years ago

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