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Lera25 [3.4K]
3 years ago
8

For each graph below, state whether it represents a function.

Mathematics
1 answer:
kow [346]3 years ago
3 0

Answer:

Graph 1, 2, 5, 6 are not functions.

Graph 3, 4 are functions

Step-by-step explanation:

For every input there can only be one output to be a function.

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Find the values of the pronumerals in this diagram. Write down the reason in each case.
timofeeve [1]

Answer:

see explanation

Step-by-step explanation:

a and 85 form a straight angle and are supplementary, thus

a + 85 = 180 ( subtract 85 from both sides )

a = 95

b and 85 are vertical angles and are congruent, thus

b = 85

c and 85 are corresponding angles and congruent, thus

c = 85

c and d are vertical angles and congruent, thus

d = 85

In conclusion

a = 95, b = 85, c = 85, d = 85

5 0
3 years ago
What is -2 1/4 + 5 1/2 ?
Fofino [41]
To first find the answer to this, let's find a common denominator between each fraction. The denominator is the bottom number of a fraction.
To find the common denominator, let's factor out each of our denominators 5 times to see if they have a common number.
4: 4, 8, 12, 16, 20
2: 2, 4, 6, 8, 10
They both appear to have the smallest common denominator of 4, so let's use 4.

We already have 1/4 with a denominator of 4, but not 1/2.
2 x 2 = 4, so multiply the numerator and the denominator of 1/2 by 2.
1 x 2 = 2
2 x 2 = 4
Your new fraction is 2/4.

Our expression now is:
-2 1/4 + 5 2/4
or (in simpler terms)
5 2/4 - 2 1/4

Subtract the fractions first.
2/4 - 1/4 = 1/4

Now subtract the whole numbers.
5 - 2 = 3

You are left with:
3 1/4

I hope this helps!
8 0
3 years ago
You purchase a car using a 20,000 loan with a 5% interest rate suppose you pay the loan off after 4 years how much interest do y
Alex787 [66]
In 4 years you pay interest of 4000 and if you finish pay the loan in two years you pay only 2000
3 0
3 years ago
Read 2 more answers
a triangle has a perimeter of exactly 24 units. Which of the following could be the vertices of the triangle
Usimov [2.4K]
I think you forgot to give the options along with the question. I am answering the question based on my research and knowledge. "<span>(-3,-4), 3,-4), (3,4)" could be the vertices of the triangle described in the question. I hope that this is the answer that you were looking for and it has come to your great help.</span>
6 0
3 years ago
The ratio of the width to the the length of a painting is 3 to 7. If the painting is 42in long how wide is it
grandymaker [24]

Answer:

18 inches wide

Step-by-step explanation:

Since the ratio of width to length is 3:7 we can assume that the length will be substancially longer than the width. The length is given as 42 inches long. To find how big the scale factor is, we divide 42 by 7 to get 6. 6 is our scale factor. take 3 x 6 =18 inches wide.

Hope this helps! :)

7 0
3 years ago
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