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NARA [144]
2 years ago
12

Which of the following is not a function? A. y-x=6 B. y=2x² C. x= -2 D. y+x=12

Mathematics
2 answers:
True [87]2 years ago
8 0
I would say that it is B
IceJOKER [234]2 years ago
5 0
I hope this helps you



y=f (x)



A) f (x)=x+6



B) f (x)=2x^2



C) x= -3 there's no y



D) f (x)=12-x
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Which mathematical statement represents “17 more than a number is 26”?
Paladinen [302]

17 + x = 26

17 +n = 26

n + 17 = 26


 something like those, you didn't give options to choose from.

8 0
3 years ago
Read 2 more answers
Please help. Full explanation if you can.
sukhopar [10]
392 boots. If you divide everything into "sets" of an unknown amount, there are 5 more "sets" of boots than sandals, also known as the 245 boots. So if you divide 245 by 5, you'll get the number of items in a "set". Then just multiply by 8 from the 8:3 ratio. If you check it, it will come out to 392 boots to 147 sandals, which I think is ridiculous since sandals are supposed to come in pairs so  you should never have a odd number. But anyway, 392 - 147 = 245
6 0
3 years ago
The area of a cross section through the center of a sphere is 46 square inches. Find the surface area of the sphere.
gavmur [86]

Answer:

184 in.^2

Step-by-step explanation:

The cross section through the center of a sphere is a circle whose radius is equal to the radius of the sphere.

area of circle

A_{circle} = \pi r^2

\pi r^2 = 46

r^2 = \dfrac{46}{\pi}

r = \sqrt{\dfrac{46}{\pi}}

r = 3.83 ~in.

surface area of sphere

SA = 4 \pi r^2

SA = 4 \times \pi \times (3.83)^2

SA = 184~in.^2

7 0
3 years ago
What’s the mathematical expression for “five times x is fewer than 12”
Musya8 [376]

Answer:

5x<12

Step-by-step explanation:

Five times x is equally 5x fewer than is equally < # 5x<12

3 0
3 years ago
Please solve for me ill give brainliest
Black_prince [1.1K]

Answer:

\displaystyle (0, -1); maximum

Step-by-step explanation:

First off, <em>B</em> is zero, so there is no <em>phase shift</em>, meaning that the vertex stays on the y-axis. Next, <em>A</em> is negative, so the parabola opens down, and whenever you have a parabola opening down, it does so at maximum. Finally, <em>C</em> represents our y-intercept, or in this case, our <em>vertical shift</em>. Our y-intercept is (0, −1), and so as our vertex, hence our answer.

I am joyous to assist you anytime.

7 0
3 years ago
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