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rjkz [21]
3 years ago
13

I need help on this question ​

Mathematics
1 answer:
Alona [7]3 years ago
3 0

Answer:

1. equal

2. add to 180

3. equal

4. add to 180

Step-by-step explanation:

as 1 and 3 are linear pairs

2 and 4 are vertically opposite angles

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Answer is 072 i think
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There are 4 quarts in a gallon.
In two gallons would be 8 quarts.

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Paul made 7 homemade pizzas. He used 3/4 of a cup of sauce for each pizza. How many cups of sauce did he use altogether?
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2 years ago
Which sets of points represent one-to-one functions?
madreJ [45]
<h3>Two Answers: </h3><h3>Function h (third choice)</h3><h3>Function k (sixth choice, or last choice)</h3>

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

Explanation:

A function is only possible if the x values do not repeat. A relation is considered one-to-one only if the y values do not repeat. We combine the two ideas. If we want a one-to-one function, then neither x nor y can repeat.

  • Function f has y = 8 repeating, so it is not one-to-one
  • Function g is a similar story but y = 4 repeats.
  • Function h has all unique x values, and all unique y values. This function is one-to-one.
  • Function i has y = 3 repeating, so it is not one-to-one.
  • Function j has y = 16 show up more than once, so it is not one-to-one.
  • Function k has all unique x values, and all unique y values. This function is one-to-one.

Note: if we had two points like (1,2) and (3,1), then it is still one-to-one (even though the digit 1 shows up twice). This is because the set of x values {1,3} is unique, and so is the set of y values {2,1}. We look at each set separately and not combine the two sets.

4 0
3 years ago
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