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3 years ago

What is the value of f(1)?

Mathematics

1 answer:

matrenka [14]3 years ago

8 0

Answer:

X - 1

Step-by-step explanation:

F(x) = - 1

F(1) = x

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Maya is the manager for the track team. She created a table to compare finish times from the second practice to the first practi

Neko [114]

Answer:

D. Maya is incorrect because she listed the runners from least improved to most improved. Runners that decreased times are improving, and those that add time are not improving.

Step-by-step explanation:

I got it right on edge

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2 years ago

What is the domain of the following parabola? (5 points)

tigry1 [53]

Answer:

Step-by-step explanation:

The domain of this quadratic is "all real numbers." The function is defined for all x.

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3 years ago

From a population of 200,000,000 elements, the standard deviation is known to be 14. A sample of 49 elements is selected. It is

Talja [164]

Answer:

The standard error of the mean = 2

Step-by-step explanation:

Given that:

The standard deviation σ = 14

The sample size n = 49

The sample mean $\overline x$ = 56

The formula for calculating the standard error can be expressed as:

$S.E = \dfrac{\sigma}{\sqrt{n}}$

$S.E = \dfrac{14}{\sqrt{49}}$

$S.E = \dfrac{14}{7}$

S.E = 2

Therefore, the standard error of the mean = 2

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2 years ago

331 students went on a field trip. Six buses were filled and 7 students traveled in cars. How many students were in each bus?

Butoxors [25]

54 students travelled in each bus

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3 years ago

Read 2 more answers

Simplify:9-1÷2÷27^2÷3

sammy [17]

First let's calculate the exponents.

$27^2 : 729 = 9-1\div \:2\div \:729\div \:3$

Now we should multiply and divide.

$1\div2\div729\div3:\frac{1}{4374} = 9-\frac{1}{4374}$

Now we should add and subtract.

$9-\frac{1}{4374} :\frac{39365}{4374} = \frac{39365}{4374}$

Convert the improper fractions into mixed numbers.

$8\frac{4373}{4374}$

Answer :

$8\frac{4373}{4374}$

5 0

2 years ago