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disa [49]
1 year ago
5

Is y=3^x a function? why or why not?

Mathematics
1 answer:
ICE Princess25 [194]1 year ago
6 0
It’s not a function of x on the real line, because for every input of a positive real number for x, you get two real outputs
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Ravi lost 80 dollars from his pocket.<br>Write a signed number to represent this change.​
Mariana [72]

Answer:

x - 80

Step-by-step explanation:

Ravi had x dollars in all.

x - 80

5 0
3 years ago
The length of a rectangle is twice its width. The perimeter of the rectangle is 15 inches. What are the measurements of the leng
Airida [17]

Step-by-step explanation:

Let the breadth (b) of a rectangle be x

Then Length (L) = 2x

Now

Perimeter of the rectangle = 15 inches

Or, 2(L + b) = 15

2 ( 2x + x) = 15

2* 3x = 15

6x = 15

x = 15 / 6

x = 2.5 inch

Also Now

Length (L) = 2*2.5 = 5 inches

Breadth (b) = 2.5 inches

Hope it will help :)

5 0
3 years ago
Is x^4 +400 a complex conjugate
nadya68 [22]
<span>f x=0 ==>x^4+400=0+400=400</span>
3 0
3 years ago
Find the height of the building to the nearest foot in the diagram below. Show work.
stira [4]

Answer:

height : 150 feet

Step-by-step explanation:

\sf \sf tan(x)= \dfrac{opposite}{adjacent}

using tan rule:

\hookrightarrow \sf tan(62)= \dfrac{b}{80}

\hookrightarrow \sf b = tan(62)*80

\hookrightarrow \sf b =150.46 \ feet

5 0
2 years ago
Read 2 more answers
Solve for x.<br> -6x = -18
marta [7]

Answer:

3

Step-by-step explanation:

The goal is to get the x to be on one side of the equation on its own.

-6x = -18

To get rid of the -6, we would have to do the opposite of what it's doing in the equation - in this case, we would divide, as it's the opposite of multiplying.

What we do to one side of the equation, we have to do to the other.

-6x/-6 = x

-18/-6 = 3

x = 3

Hope that makes sense!

3 0
3 years ago
Read 2 more answers
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