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Ira Lisetskai [31]
3 years ago
6

Which set of ordered pairs represents a function?

Mathematics
1 answer:
NemiM [27]3 years ago
7 0

Answer: A

Step-by-step explanation:

A function has NO repeating X values, you can use this information to eliminate choices B C and D.

In choice B -2 repeats.

In choice C 9 repeats

In choice D 3 repeats

Hope I helped ^u^

You might be interested in
Find the midpoint of the line segment joining the points (-2,-2) and (-4,9).
11Alexandr11 [23.1K]

Answer:

The answer is

<h2>( - 3 \: , \:  \frac{7}{2} )</h2>

Step-by-step explanation:

The midpoint M of two endpoints of a line segment can be found by using the formula

M = (  \frac{x1 + x2}{2} , \:  \frac{y1 + y2}{2} )

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

(-2,-2) and (-4,9).

The midpoint is

M = ( \frac{ - 2 - 4}{2}  \:  , \:  \frac{ - 2 + 9}{2} ) \\  = ( -  \frac{6}{2}  \: , \:  \frac{7}{2} )

We have the final answer as

( - 3 \: , \:  \frac{7}{2} )

Hope this helps you

4 0
3 years ago
Z1 and Z2 are vertical angles. Z2 has a measure of 63º. What is the measure of Z1? Enter your answer in the box.​
Sergio039 [100]

Answer:

vertical angles are equal:

< (1) = < (2) (in fact they are congruent angles)

so, if measure of < 1 is 63° and measure of < 2 is 4x-9°, than

4x-9=63° ...solve for x

4x=63%2B9°

4x=72°

x=72%2F4°

x=18°

if x=18°, than < 2 is 4x-9=4%2A18-9=72-9=63°...it proves that < (1) = < (2) are congruent angles

Step-by-step explanation:

Hope it helps

7 0
2 years ago
Please help. 10 points
Goshia [24]
1. You must apply the formula for calculate the volume of a cone and and the volume of a cylinder. Then, you must sum both volumes to obtain the volume on the figure attached.
 
 2. Volume of the cone:
 
 Vcone=1/3(πr²h)
 
 π=3.14
 r=4 mm/2
 r=2 mm
 h=3 mm
 
 3. When you substitute the values above into the formula, you obtain:
<span> 
 Vcone=1/3(πr²h)
</span> Vcone=12.56 mm³
 
 4. The volume of the cylinder is:
 
 Vcylinder=<span>πr²h
</span> 
 π=3.14
 r=4 mm/2=2 mm
 h=2 mm
 
 5. <span>When you substitute the values above into the formula, you obtain:
</span> 
 Vcylinder=25.12 mm³
 
 6. The volume of the figure is:
 
 Vt=Vcone+Vcylinder
 Vt=12<span>.56 mm³+25.12 mm</span>³
 Vt=37.68 mm³
6 0
4 years ago
Isaac Newton’s Theory of Gravitation proved that gravity behaves as a rational function, which
Burka [1]

Answer:

Step-by-step explanation:

whats the question

3 0
3 years ago
Read 2 more answers
Help please I give 15 points
Maksim231197 [3]
(6,4)
in another answers : x = 6 , y = 4
(6,4)
4 0
3 years ago
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