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CaHeK987 [17]
3 years ago
9

Is this a function ? Yes or no and why or why not

Mathematics
1 answer:
never [62]3 years ago
3 0

Answer:

Yes

Step-by-step explanation:

Yes it is a function, because graph is intersecting y - axis only once.

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A spinner has four sections lettered A, B, C, and D. The table shows the results of several spins. Find the experimental probabi
Degger [83]
Experimental probability is the outcome during a certain experiment. add up the total number of times it was spinned. You should get 40. To find the experimental probability of each section, simply divide the number by 40. This will give you the percentage for each one. For example, spinner A. 14/40=.35  Multiply this by one hundred to find the percentage (35%). Do this for all and let me know if you need help converting them to fractions. :)
5 0
3 years ago
Read 2 more answers
A pyramid with a square base is cut by a plane that is parallel to its base and is 2 units from the base. The surface area of th
icang [17]

Answer:

  6.83 units

Step-by-step explanation:

Let the height of the original pyramid be represented by h. Then the cut off top has a height of (h -2). The scale factor for the area is the square of the scale factor for height, so we have ...

  (height ratio)^2 = 1/2

  ((h -2)/h)^2 = 1/2

  (h -2)√2 = h . . . . . . square root; multiply by h√2

  h(√2 -1) = 2√2 . . . . add 2√2 -h

  h = (2√2)/(√2 -1) ≈ 6.8284 . . . units

The altitude of the original pyramid is about 6.83 units.

7 0
2 years ago
Solve by factoring <br> 2x^2=19x+33
oksian1 [2.3K]

<span>2x^2 - 19x - 33 = 0 </span>

<span>The factors of 2 are 1 x 2. </span>
<span>The factors of 33 are 1 x 33 and 3 x 11. </span>

<span>Using Guess and Test and FOIL, find a combination that gives you a middle term of -19x: </span>

<span>(2x + 3)(x - 11) = 0. </span>

<span>Using the principal of zero product, solve each equation for x: </span>

<span>2x + 3 =0 and x - 11 =0. </span>

<span>The two solutions are x = -3/2 and x = 11.

</span>
5 0
3 years ago
A model rocket is built to the scale 1:20, or 1 inch - 20 feet. The actual rocket is 4440 feet
tester [92]
The answer is 222. 20 divided by 1 is 20 so if you divide 4440 by 20 you get 222.


Hope this helped!
8 0
3 years ago
Read 2 more answers
The area of a circle depends on the radius. Use the equation A(r) = (3.1415..)r^2 to compute A(6). Round your answer to the near
fredd [130]
Hello!

To solve this you put 6 in for r

When you put this into a calculator you get the answer of 113.10

Hope this helps!
3 0
3 years ago
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