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3 years ago

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Mathematics

2 answers:

Veseljchak [2.6K]3 years ago

8 0

The answer is D. y=1/2x+1

Firdavs [7]3 years ago

4 0

Answer:

Step-by-step explanation:

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4x3 + 4x2 − 3x − 3 =

Studentka2010 [4]

Answer:

The answer is 14

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4 years ago

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Using the graph below, select all statements that are true.

Harrizon [31]

Answer:

b and E and c

Step-by-step explanation:

A is false because some elements have the same image like 2.3 and 2.2 , 2.5 ...
B is true because the image of an integer remains the same using the greatest integer function. So C is true
E is true

6 0

3 years ago

A bag contains four batteries, all of which are the same size and are equally likely to be selected. Each battery is a differen

GuDViN [60]

Answer:

A) 64 ways in sample space

B) 24 ways in sample space

Step-by-step explanation:

Given:-

- A bag contains 4 batteries

- We are to select 3 at random

Find:-

how many points will be in the sample space if the batteries are selected

A) with replacement

b) without replacement

Solution:-

- The counting principle says if there are "m" ways to do one thing

and "n" ways do do another, then there are (m*n) ways of doing both.

A. 4 ways to grab first battery; put battery back;

4 ways to grab second battery; put battery back;

4 ways to grab second battery

======================================

4^3 = 64 ways in the sample space.

======================================

B. 4 ways to grab first battery; DON'T put battery back; You are left with 3.

3 ways to grab second battery; DON'T put battery back; You are left with 2

2 ways to grab third battery;

======================================

4*3*2 = 24 ways in the sample space.

======================================

6 0

3 years ago

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What is the area of a square with sides of length 6?

Tasya [4]

Answer:

Step-by-step explanation:

6 squared

7 0

3 years ago

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Emily has 12 fruits in her bowl. She has 3 apples, 5 bananas, 1 pear and 3 oranges. A fruit is selected at random. What is the p

blsea [12.9K]

Answer: The probability that the fruit is an orange or a pear is $\dfrac{1}{3}$ .

Step-by-step explanation:

Given : Emily has 12 fruits in her bowl.

She has 3 apples, 5 bananas, 1 pear and 3 oranges.

A fruit is selected at random.

P(orange) = $\dfrac{\text{Number of oranges}}{\text{Total fruits}}$

$=\dfrac{3}{12}$

P(pear)= $\dfrac{\text{Number of pears}}{\text{Total fruits}}$

$=\dfrac{1}{12}$

Since both events of selecting orange and pear are mutually exclusive , so

The probability that the fruit is an orange or a pear = P(orange) + P(pear)

$=\dfrac{3}{12}+\dfrac{1}{12}=\dfrac{4}{12}=\dfrac{1}{3}$

Therefore , the probability that the fruit is an orange or a pear is $\dfrac{1}{3}$ .

5 0

4 years ago