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3 years ago

Which ordered pair can be plotted together with these four points, so that the resulting graph still represents a function?

Mathematics

2 answers:

MrRissso [65]3 years ago

7 0

Answer:

The Answer is B - (-1,2)

Step-by-step explanation:

A function must pass the vertical line test and if you were to plot any of those points on the graph they can't be on the same vertical line as any of the other points. (-1 , 2) is the only point that would allow the graph to pass the VLT

FinnZ [79.3K]3 years ago

7 0

Answer:

The answer is b hope this is straitfoward and helps

Step-by-step explanation:

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larisa86 [58]

Distance formula

$\boxed{\sf \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}}$

Now

$\\ \tt\Rrightarrow AB=\sqrt{(3-3)^2+(-2-8)^2}=\sqrt{100}=10units$

$\\ \tt\Rrightarrow OK=\sqrt{(5-7)^2+(-2+2)^2}=\sqrt{4}=2units$

$\\ \tt\Rrightarrow LM=\sqrt{(-4-4)^2+(6+4)^2}=\sqrt{64+100}=\sqrt{164}\approx 13units$

$\\ \tt\Rrightarrow PC=\sqrt{(5-2)^2+(1-3)^2}=\sqrt{9+4}=\sqrt{13}=3.2units$

$\\ \tt\Rrightarrow QR=\sqrt{(-2+10)^2+(3-9)^2}=\sqrt{64+36}=\sqrt{100}=10units$

8 0

3 years ago

Read 2 more answers

Phoebe compared the cost of books in 9 different stores. $2, $8, $4, $7, $8, $5, $8, $4, $6 What is the median cost of the books

Bezzdna [24]

The answer is D because the median is the midpoint of the distributed numbers

5 0

4 years ago

Read 2 more answers

In this combined function, the domain is all real numbers for x except?( x-2) / (x+5)

Sidana [21]

-5 because the denominator can’t equal zero

4 0

3 years ago

What is the length of SR ? 9 units 12 units 15 units 18 units

astraxan [27]

Answer: THe correct option is (C) 15.

Step-by-step explanation: We are given to find the length of SR in the right-angled triangle SRQ as shown in the figure.

Since RT is perpendicular to the hypotenuse SQ, so triangle RTQ and SRT are also right-angled triangles at angle RTQ and RTS respectively.

Also, RQ = 20 units and TQ = 16 units.

Using Pythagoras theorem in triangle RTQ, we have

$RQ^2=RT^2+TQ^2\\\\\Rightarrow RT=\sqrt{RQ^2-TQ^2}\\\\\Rightarrow RT=\sqrt{20^2-16^2}\\\\\Rightarrow RT=\sqrt{144}\\\\\Rightarrow RT=12.$

Now, since RT is perpendicular to the hypotenuse of ΔRST, so we get

$ST\times TQ=RT^2\\\\\Rightarrow RS\times 16=144\\\\\Rightarrow RS=\dfrac{144}{16}\\\\\Rightarrow RS=9.$

Again, using Pythagoras theorem in right-angled triangle RST, we get

$SR^2=RT^2+ST^2\\\\\Rightarrow SR=\sqrt{144+81}\\\\\Rightarrow SR=\sqrt{225}\\\\\Rightarrow SR=15.$

Thus, the length of SR is 15 units.

Option (C) is CORRECT.

5 0

4 years ago

The distance traveled varies directly with the time spent in motion wh

gladu [14]

Step-by-step explanation:

The distance traveled varies directly with the time spent in motion. If d is distance and t is time taken. Then,

$d\propto t$

$d=kt$

k is the constant of variation

If d = 150 miles and t = 4 hours

$k=\dfrac{d}{t}\\\\k=\dfrac{150}{4}\\\\k=37.5\ mph$

7 0

3 years ago