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3 years ago

What’s the answer and how do u get it

Mathematics

1 answer:

SCORPION-xisa [38]3 years ago

4 0

9514 1404 393

Answer:

(d) domain: 0 ≤ x ≤ 4; range: -1 ≤ y ≤ 7

Step-by-step explanation:

The graph of the inverse of a function is a reflection of the function's graph across the line y=x. The table values are obtained by swapping the x- and y-labels. This is shown in the attachment.

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A person gets on and off a bathroom scale four times. The four readings (in pounds) are 148, 151, 150, and 152. Each time after

Ganezh [65]

Answer:

See explanation below

Step-by-step explanation:

Since each time after the person gets off the scale, the reading is 2 lb the person's weight must be near the mean of

148-2, 151-2, 150-2, 152-2; that is to say, near the mean of 146, 149, 148, 150 = (146+149+148+150)/4 = 148.25

We could estimate the uncertainty as the standard error SE

$\bf SE=\frac{s}{\sqrt{n}}$

where

s = standard deviation of the sample

n = 4 sample size.

Computing s:

$\bf s=\sqrt{\frac{(146-148.25)^2+(149-148.25)^2+(148-148.25)^2+(150-148.25)^2}{4}}=1.479$

So, the uncertainty is 1.479/2 = 0.736

It is not possible to estimate the bias, since it is the difference between the true weight and the mean, but we do not know the true weight.

5 0

3 years ago

34560×23458÷34 yo what's the answer

Phoenix [80]

Answer:

23,163,099.42857

yeeeeeee

7 0

3 years ago

Read 2 more answers

If g(x)= 2x^4+3x^3-x^2, find g(-1)

Nostrana [21]

When you have a function of g(-1) you first plug in -1 to all x's then you solve it.

Answer: x=0

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4 years ago

A race car travels 100 feet in .5 seconds. At this rate of speed, how many feeet will the race car travel in a minute?

soldier1979 [14.2K]

Answer:

Step-by-step explanation:

$\frac{100ft}{0.5s} * 60s$

$\frac{100 * 60}{0.5}$

$\frac{6000}{0.5}$

$12000ft$

5 0

3 years ago

Read 2 more answers

Samuel has a collection of toy cars. His favorites are the 27

BlackZzzverrR [31]

Hey! If 27 cars make up 60%, divide that by 6 to get 10% of the answer which is 4.5. Multiply 4.5 by 10 to get 100% which is 45 cars for 100%.

Hope that this helped! If it did, please give me a good rating and mark me brainliest for my hard work. Thanks!

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3 years ago