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bearhunter [10]
3 years ago
13

Self Practice 5.3

Mathematics
1 answer:
raketka [301]3 years ago
3 0

Answer:

5

Step-by-step explanation:

Have a phd in mathematics! Congrats on your first question!!!! Send me a brainlist :)

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Light bulbs usually cost 2$. They are on sale for 0.50 of the regular price. What is the sale price? Is this a better price than
Vinil7 [7]

Answer:

The sale price is $1

$1 is not a better price since there is a cheaper price of $0.7

Step-by-step explanation:

Original price is $2

The price now is 0.5 × $2 = $1

If the sale price was 0.35 of the original price;

It would be 0.35 × $2 = $0.7

$1 is not a better price since there is a cheaper price of $0.7

4 0
3 years ago
im not sure on how to do this If one angle of a triangle is 30° more than twice another angle, and the third angle is equal to t
deff fn [24]

Answer:

Step-by-step explanation: How do you find the 3rd angle of a triangle?

Image result for im not sure on how to do this If one angle of a triangle is 30° more than twice another angle, and the third angle is equal to the sum of the first two angles, find the measure of each angle.

The three angles of any triangle add up to 180 degrees. Since you know two angles (35 and 40), add them together, then subtract the total from 180 to determine the degree of the third angle.

4 0
3 years ago
Consider the function f(x)=x3+4x2+2. find the points where the tangent line is horizontal.
lions [1.4K]
Thinking about the graph of f(x), the rate of change is zero whenever there is an extremum.

First, differentiate f(x)

f'(x)=3x^2+8x

Next, find the zeros of f'(x) by factoring.

x(3x+8)=0  \\ x= \frac{-8}{3},x=0

Now, we substitute these x-values into the original equation to find the coordinates. 

(-2.667, 11.481), (0, 2)
6 0
3 years ago
Helpppp I stuck so please help<br> Me
Luba_88 [7]

Answer = #2 - 1/3^3

Step-by-step explanation:

7 0
2 years ago
Plz help me well mark brainliest if you are correct!.....
Alex17521 [72]

Answer:

The first one is the answer to the question

4 0
3 years ago
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