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serious [3.7K]
2 years ago
11

What is the inverse of the function y = 2x + 3?

Mathematics
2 answers:
erastovalidia [21]2 years ago
7 0

Answer:

y = x/2 - 3/2

Step-by-step explanation:

krok68 [10]2 years ago
6 0

Answer:

y = x/2 - 3/2

Step-by-step explanation:

First, get x on its own:

Subtract 3 from each side

y - 3 = 2x

Divide through by 2

y/2 - 3/2 = x

or x = y/2 - 3/2

Now simply switch labels: x↔y

y = x/2 - 3/2

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Javine says, "To multiply by 1000, I just add three zeros." Kian says, "I times by 10, then times by 10 and times by 10 again."
aksik [14]

Answer:

Kian's method is correct.

Step-by-step explanation:

Javine says, "To multiply by 1000, I just add three zeros." He is incorrect.

Kian says, "I times by 10, then times by 10 and times by 10 again. When he multiply 1 by 10, it becomes 10. Then if he again multiply by 10, it becomes 10×10 = 100. And at last when he multiply again 10, it becomes 100×10 = 1000. It means Kian's methods for multiplying by 1000 is correct.

8 0
2 years ago
What is the volume of this composite solid?<br> 16 m<br> 5 m<br> 12 m<br> 9 m
son4ous [18]

Answer:

864 cubic meters

Step-by-step explanation:

Rectangular prism = 5x9x12=540

Triangular prism = 1/2(9)(6)(12)=324

540+324=864 cubic meters

3 0
3 years ago
4)
liberstina [14]
Arc length is the angle/360 times circumference. The diameter of the unit circle is 2. So the circumference of the unit circle is 2pi, if you use 3.14 for pi, then the circumference is 6.28. So your equation is
x/360 times 6.28=4.2, divide by 6.28, then multiply by 360
x=240.76432
Your answer rounded to the nearest thousanth is 240.764

6 0
2 years ago
What is the value of x? of y? of z? Enter only the number in the boxes below.​
Varvara68 [4.7K]

Answer:

y=63

x=63

z=72

Step-by-step explanation:

6 0
2 years ago
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12x power of 22 -24 power of 5 +16 is divided by x-1
koban [17]

Answer:

the answer is 16

Step-by-step explanation:

I had type into a calculator

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