Hayden likes building radio-controlled sailboats with her father. One of the sails, shaped like a right triangle, has side lengt
hs measuring 6 inches, 8 inches, and 10 inches. To log her activity, Hayden creates and collects drawings of all the boats she and her father built together. Using the scale factor of 1/4, create a scale drawing of the sail.
1 answer:
Answer:
The sides of the triangle will be 1.5" , 2" and 2.5". The scale drawing is attached.
Step-by-step explanation:
The original measures of the triangle are:
6 inches
8 inches
10 inches
In order to transform the measures to the scale 1:4 we have to divide each measure by 4:
<u>Scale dimensions (1:4)</u>
6 inches÷4= 1.5 inches
8 inches÷4= 2 inches
10 inches÷4= 2.5 inches
We make a drawing with this measures. (The drawing is attached.
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Answer:
No because it contains points (3,4) and (3,-4). You cannot have a x assigned to more than one y-value if you want it to be a function.
Step-by-step explanation:
A function has one output per input.
If we are trying to determine if the given is a function of x, then x is the input.
However I can get two outputs from plugging in x=3.
Subtract 9 on both sides:
Take the square root of both sides:
.
So input x=3 yields y=4 and y=-4.
Since this input has more than one output then the given is not a function of x.
----Also!
If you graph the equation, it is a circle with radius 5 and center (0,0). So I could I plug in any number for x between -5 and 5 excluding -5 and 5 which would yield only one output each. Since plugging in either one gives:
Subtract 25 on both sides:
Simplify:
There is only one value y such that when you square it gives you 0. That is 0.
x=5 only gives y=0 and x=-5 only gives y=0.
There is no circle, unless it is a circle with radius 0 which means it really wouldn't be a circle, that is a function.