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3241004551 [841]
3 years ago
5

In geometry, you can use deductive rules to.

Mathematics
1 answer:
Katen [24]3 years ago
7 0
B. Prove conjectures
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If f(x) = 2x²+2 and g(x) = x² - 1 ,find (f- g)(x).
mestny [16]

Step-by-step explanation:

(F-g) (X)

= f(x) - g(x)

(2x² + 2 )-(x²-1) =

3x²+3

4 0
3 years ago
How many different simple random sampmes of size 5 can be obtained from a pppulation whose size is 43?​
Nesterboy [21]

Answer:

Number of random samples = 962598

Step-by-step explanation:

A random sample represents  the responses for a certain survey of a part of the population.

A sample size is the part of the population being surveyed.

For a population N the number of different random samples that can be chosen for a sample size x can be calculated as = NCx

This can be calculated as :

NCx=\frac{N!}{x!(N-x)!}

Given:

Population size = 43

Sample size = 5

Number of random samples = 43C5

⇒ \frac{43!}{5!(43-5)!}

⇒ \frac{43!}{5!(38)!}

⇒ \frac{43\times42\times41\times40\times39}{5\times4\times3\times2\times1}    [Canceling out the common terms]

⇒  962598   (Answer)

4 0
3 years ago
Graph -27x+18y=54 Help please!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Marta_Voda [28]

Answer:

slope : 3/2 Y-intercept : 3  ------------> (0,3) (2,6) are the points

Step-by-step explanation:

<u>X | Y</u>

0 | 3

2 | 6

4 0
3 years ago
Please help me I will give you bring me if it’s right
Otrada [13]

Answer:x

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Nadia charges $6.50 an hour for babysitting. She babysits 16.50 hours the first week of the month and 22 hours the second week o
Sveta_85 [38]
She would need to work for 35 hours.

She earned $250.25 total the first two weeks, so divide that by the new rate per hour, $7.15, to get the 35 hours.
4 0
3 years ago
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