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SIZIF [17.4K]
3 years ago
5

0.75x - y = - 2.1 0.6y 2.4x +9

Mathematics
1 answer:
Alex17521 [72]3 years ago
6 0

Answer:

4x-3

Step-by-step explanation:

Yea

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F(x) = 3x + 9, find f^-1(x)
lianna [129]

Answer:

y=x-9/3

Step-by-step explanation:

f(x)=3x+9

let f(x)=y

y=3x+9

change position of x & y

x=3y+9

rearrange:

x-9=3y

y=x-9/3

6 0
3 years ago
Which statement is true in this equation?
alexandr402 [8]

Answer:

B) Stan made a mistake in step one.

Step-by-step explanation:

B) Stan made a mistake in step one.

When he multiplied 8(n+20), he should have gotten 8n+160, not 8n+20.

8 0
3 years ago
Read 2 more answers
Lowest fraction using common term<br><br> 28/35
rjkz [21]
28/7=4
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4/5
A: 4/5
3 0
3 years ago
A sample of 32 observations is taken from an infinite population. The sampling distribution of a.is approximately normal because
Vanyuwa [196]

Answer:

a.is approximately normal because of the central limit theorem.

Step-by-step explanation:

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this question:

Sample limit of 32 > 30, so the distribution is approximately normal because of the central limit theorem, and the correct answer is given by option a.

7 0
3 years ago
PLEASE!! gr10 math 45pts
velikii [3]

Answer:

Step-by-step explanation:

the math is the nexlation when the filaction comes to hand and then u add with the nexlation and that the answer

3 0
3 years ago
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