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den301095 [7]
3 years ago
14

In janies homeroom, 45% of the students families own a dog and 23% percent own a dog and cat. What is the probability that a stu

dents family owns a cat and if the family owns a dog
Mathematics
1 answer:
galben [10]3 years ago
5 0

Answer:

Step-by-step explanation:

Probability for owning a dog = 45/100 = 9/20( 45% out of 100)

Probability of owing a cat = ( if 23 % are said to own both a dog and cat, then the same own cats) = 23/100

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Find the next two terms for the following pattern 1, -2, 2, -4, 0
Oxana [17]
After figuring out a common difference in this pattern, we can get further terms in the pattern:
1, -2, 2, -4, 0, -3, -1
5 0
2 years ago
How do you complete <br>-6/5k=12
Inessa [10]
Here, I'll help you a little
rewrite the equation as -6k/5 = 12
multiply both sides by 5
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Hope this helps :)
6 0
3 years ago
Which set of ordered pairs does not represent a function?
Irina18 [472]
<h3>Answer:</h3>

B. { (3, –2), (3, –4), (4, –1), (4, –3) }

<h3>Step-by-step explanation:</h3>

Functions are a set of points that show how dependent variables change through independent variables.

Defining a Function

In functions, each x-value is assigned to exactly one y-value. This means that x-values do not repeat. So, if there is one x-value more than once in a set, then it cannot be a function.

For example, set B has the x-value 3 and 4 repeated twice. Thus, it does not represent a function.

Graph of a Function

Functions can also be defined through a graph. Just like with coordinate points, x-values do not repeat on the graph. You can use the vertical line test to see if a graph is a function. If you can draw a vertical line at every point on a graph without it ever intersecting with the graph more than once, then it is a function.

3 0
2 years ago
One angle in a triangle has a measure that is three times as large as the smallest angle. The measure of the third angle is 40 d
svetlana [45]

Answer:

84°

Step-by-step explanation:

smallest angle=x

3x=2nd angle

x+40=3rd angle

angles in a triangle add up to 180 degrees so

5x+40=180

5x=140

x=28

largest angle = 3x

so 3 x 28 = 84 degrees

The largest angle is 84 degrees

7 0
3 years ago
Read 2 more answers
Math item stem image<br> does this figure have symmetry
bearhunter [10]

Answer: yes

Step-by-step explanation:

3 0
2 years ago
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