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3 years ago

At the range and the standard deviation of the data set 40, 35, 45, 55, 60

Mathematics

2 answers:

Murljashka [212]3 years ago

8 0

25

Because range is taking the largest number and the smallest number from the data set and subtracting it

Agata [3.3K]3 years ago

7 0

60-35 = 25

Because with range you take the biggest number and subtract your lowest number.

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The local water slides have 100 employees, of which 30% are temporary. How many temporary employees are there?

Ugo [173]

Answer:

There are 30 temporary employees

Step-by-step explanation:

To find x% of quantity A, multiply x% by A after change x% to the normal number by divide it by 100 ⇒ (x ÷ 100) × A

Let us use this rule to solve the question

∵ The local water slides have 100 employees

∵ 30% of them are temporary

∴ The number of temporary employees = 30% × 100

∵ 30% = 30 ÷ 100 = 0.30

∴ The number of temporary employees = 0.30 × 100

∴ The number of temporary employees = 30

∴ There are 30 temporary employees

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2 years ago

Show that the equation x^3+6x-5=0 has a solution between x=0 and x=1

Mnenie [13.5K]

Answer:

Since the value of f(0) is negative and the value of f(1) is positive, then there is at least one value of x between 0 and 1 for which f(x) =0.

Step-by-step explanation:

The equation f(x) given is:

$f(x) = x^3+6x-5$

For x = 0. the value of the expression is:

$f(0) = 0^3+0-5\\f(0) = -5$

For x = 1, the value of the expression is:

$f(1) = 1^3+6-5\\f(1)=2$

Since the value of f(0) is negative and the value of f(1) is positive, then there is at least one value of x between 0 and 1 for which f(x) =0.

In other words, there is at least one solution for the equation between x=0 and x=1.

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2 years ago

Michael has eight coins of all which are quarters and pennies and all there were $1.76 how many of each kind of coin does Michae

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2 years ago