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Aleonysh [2.5K]
3 years ago
11

Describe the meaning of 2f(x)

Mathematics
1 answer:
astraxan [27]3 years ago
3 0

Answer:

2f (x) is stretched in the y direction by a factor of 2, and f (x) is shrunk in the y direction by a factor of 2 (or stretched by a factor of ).

Step-by-step explanation:

f(x) is the standard function, 2f(x) makes the parabola "skinnier" by stretching the Y axis.

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Tossing a coin and spinning a spinner with five equal sections, 1-5
LUCKY_DIMON [66]

Answer:

Its gonna be a 50/50 on the coin and 20/100 chance for the spinner

5 0
3 years ago
Read 2 more answers
I need help with these two problems !!
wolverine [178]

Not so sure about the second one, but the first one is pretty simple:

The area of a circle = pi x radius^2

Since you need to find the area of the entire dvd, I'm assuming they mean if the hole in the center wasn't there, so add that to the diameter.

12+1.5 = 13.5

Half of the diameter is the radius, so half of 13.5 = 6.75

Now, multiply pi (3.14) by the radius, but have the radius squared. You'd write the equation like this:

3.14 x 6.75^2 (or on paper, the ^2 would be a small two diagonal from the 5)

Actual answer: 143.06625

You can round that to 143.

4 0
3 years ago
Devon paid for 4 pounds of bananas with a $10 bill. He got back $4.00. What was the cost of 1 pound of bananas?
musickatia [10]
4b+4=10

4b=6

b=6/4

b=$1.50
4 0
3 years ago
Surface area help plz
lana [24]

Answer:

486 mm

Step-by-step explanation:

solve each side on it's own first

First 2 rectangles: 288 mm all together

2 rectangle: 144 mm

Triangles: 54 mm

Then add rectangles and triangles:

288 mm + 144 mm + 54 mm = 486 mm

8 0
3 years ago
Mr. Sanchez’s class sold fruit pies for $1.73 each and Mr. Kelly’s class sold bottles of fruit juice for $1.44 each. Together, t
-Dominant- [34]

Answer:

p = 39       f = 44    

Step-by-step explanation:

p = $ 1.73

f = $ 1.44

<u><em>equation </em></u>

p + f = 83

1.73 p + 1.44 (83 - p) = $ 130.83

p = 39 (amount of times fruit pies were sold).

Therefore,

<em>p = 39</em>

<em>f = 44</em>

4 0
1 year ago
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