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hoa [83]
3 years ago
12

Jasmine needs to reduce the height of a picture from five inches to two inches so it will fit in the yearbook. What percentage o

f the original height is the new height?
Mathematics
1 answer:
sasho [114]3 years ago
5 0
  • <em>The picture's height was reduced by </em><em><u>60% to 40%</u></em>
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What function is increasing? will give brainlist !
Wewaii [24]

Answer:

Option B.

Step-by-step explanation:

Option A.

f(x) = (0.5)^{x}

Derivative of the given function,

f'(x) = \frac{d}{dx}(0.5)^x

      = (0.5)^x[\text{ln}(0.5)]

      = -(0.693)(0.5)^{x}

Since derivative of the function is negative, the given function is decreasing.

Option B. f(x) = 5^x

f'(x) = \frac{d}{dx}(5)^x

      = (5)^x[\text{ln}(5)]

      = 1.609(5)^x

Since derivative is positive, given function is increasing.

Option C. f(x) = (\frac{1}{5})^x

f'(x) = \frac{d}{dx}(\frac{1}{5})^x

      = \frac{d}{dx}(5)^{(-x)}

      = -5^{-x}.\text{ln}(5)

Since derivative is negative, given function is decreasing.

Option D. f(x) = (\frac{1}{15})^x

                f'(x) = -15^{-x}[\text{ln}(15)]

                       = -2.708(15)^{-x}

Since derivative is negative, given function is decreasing.

Option (B) is the answer.

7 0
2 years ago
If the length of two sides of an isosceles triangle are 5 and 12 what is the length of the third side
svetoff [14.1K]

By definition, an isosceles triangle has 2 of the 3 sides with the same length. From this, we already know that the third side must be or 5 or 12.

We also know that, for every triangle, the sum of two sides must be always bigger than the third side, for any combination.

From this second affirmation, we know that the third side can not be 5, because:

5+5

From this, we conclude that the third side of an isosceles triangle with sides equal to 5 and 12 is equal to 12.

3 0
1 year ago
Which sentence best shows the significance of Rider giving Margie the stone?
Leto [7]

Answer:

(A)

Step-by-step explanation:

6 0
2 years ago
Tim must choose 4 graphic novels out of a collection of 13 to take on vacation.
Viktor [21]

Answer: 715 ( C )

Explanation:

C (13,4) = (13!)/(4!*9!)

So it can be done on the calculator by 13C4  

13! = 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

4! = 4 x 3 x 2 x 1

9! = 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 / ( 4 x 3 x 2 x 1 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 )

6,227,020,800 / 8,709,120

=715

So the correct answer is C, 715


5 0
3 years ago
Read 2 more answers
11.05 divided by 10.5
Sonbull [250]
1.05(2380..)
ps: i might be wrong
4 0
3 years ago
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