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Inga [223]
1 year ago
11

What is the value of 3ypower zero​

Mathematics
2 answers:
defon1 year ago
7 0

Answer:

3

Step-by-step explanation:

So anything to the power of zero is equal to 1. So you have the equation: 3y^0=3(1)=3

If this doesn't make much sense, I sometimes like to use identities to show why this is. So since you're most likely learning exponents, you likely know the identity: \frac{x^a}{x^b}=x^{a-b} well you can use this identity to express the equation: \frac{x^a}{x^a}=x^{a-a}=x^0. and since x^a should equal x^a, and it's being divided by it self, this is equal to 1.

Btw if you didn't understand the identity: \frac{x^a}{x^b}=x^{a-b} I'll try to briefly explain it. The reason this is true, is because you can cancel stuff out if it's being multiplied in the denominator and numerator. For example: \frac{3a}{3}. I can cancel out the 3, because if I multiply 3 by a, and then divide by 3, I'm going to be left with a, because they're inverse to each other. This should hold true for exponents. So you can think of the identity more like: \frac{x*x*x...\text{a amount of times}}{x*x*x\text{b amount of times}} seeing it like this might help understand why you subtract, since you're just cancelling out the x's.

I'll give you a more definitive example to help you grasp it in an example so: \frac{2^4}{2^2}=\frac{2*2*2*2}{2*2}=\frac{2*2}{1}=2^2. See how I canceled out 2 of the 2's, well all I was really doing was subtracting 2 from the degree of the numerator, or in other words I was subtracting the degree of the denominator from the numerator since the bases were the same which is exactly what the identity is doing.

postnew [5]1 year ago
4 0

Answer:

3

3 {y}^{0}

= 3 \times 1

= 3

If any numbers or constant power is zero then it will be 1

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uranmaximum [27]
It should be 986m

4(17x6)= 408
2(17x17)= 578

408+578=986
7 0
3 years ago
Can someone help me out I need help!
sleet_krkn [62]

Answer:

15x*45 i think

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find the area of an octagon whose perimeter is 120 cm.
stira [4]

Answer:

The area of an octagon whose perimeter is 120 cm is 1086.4 cm^{2}

Step-by-step explanation:

An octagon is a polygon with eight sides. If the lengths of all the sides and the measurement of all the angles are equal, the octagon is called a regular octagon.

There is a predefined set of formulas for the calculation of perimeter, and area of a regular octagon.

The perimeter of an Octagon is given by

P=8a

and the area of an Octagon is given by

A=2a^{2}(1+\sqrt{2})

We know that the perimeter is 120 cm, solving for side length (a) in the perimeter formula we get

120=8a\\\frac{8a}{8}=\frac{120}{8}\\a=15

Now, we calculate the area

A=2a^{2}(1+\sqrt{2})\\A=2(15)^{2}(1+\sqrt{2})\\A=450\left(1+\sqrt{2}\right)\\A\approx 1086.4 \:cm^{2}

5 0
3 years ago
Which function is the inverse of f(x) = 2x + 3 ?
siniylev [52]
I think it might be f^-1 (x) = x/2 - 3/2
I hope this helps!
6 0
3 years ago
kelly subscribes to a service called mysongs for downloading music she pays a $7 fee each month to download an unlimited numbers
Nastasia [14]

subtract the fee from the total to get the amount actually spent on songs

23.80-7 = 16.80

 divide that amount by price per song to get number of songs downloaded

16.80 /0.20 = 84 songs

8 0
3 years ago
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