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Otrada [13]
4 years ago
7

Please help me 20 points

Mathematics
1 answer:
yKpoI14uk [10]4 years ago
5 0
90 degrees counterclockwise
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Brainliest ? For which inequality is (0,0) a solution?
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Answer:

C. y-5>3x-7

Step-by-step explanation:

If you multiply y and x to 0 you get -5 > -7

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3 years ago
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Determine where V(z)=z4(2z−8)3 is increasing and decreasing.
Marat540 [252]

Answer and Explanation:

A function is said to be increasing, if the derivative of function is f’(x) > 0 on each point. A function is said to be decreasing if f”(x) < 0.

Let y = v (z) be differentiable on the interval (a, b). If two points z1 and z2 belongs to the interval (a, b) such that z1 < z2, then v (z1) ≤ v (z2), the function is increasing in this interval.

Similarly, the function y = v(z) is said to be decreasing, when it is differentiable on the interval (a , b).

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The function y = v (z)

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The function y = v (z)  

The derivative of function y’ is negative, then the function is decreasing.

8 0
3 years ago
Which of the following figures has rotated 90 counterclockwise about the origin?
n200080 [17]

Answer:

I believe the answer is B, although im not quite sure.

6 0
3 years ago
Help again explain an show work
Ierofanga [76]

Answer:

a: is false the base is an rectangle

b: is true because you multipluy the hight depth and length. that gives you 81

c: is correct because 9 times 4 is 36

d: is incorrect because you need to double all numbers for the  volume to double

Step-by-step explanation:

5 0
3 years ago
I need help with math homework​
Dafna1 [17]

Answer:

1) 2.6 ft³

Step-by-step explanation:

for the first one, multiply height times width times depth divided by two, since it is a triangle. Area of a triangle is always height times width divided by two.

So

(1.3 × 1 × 4)/2 = 2.6 ft³

The second one you can see as 6 of those triangle bars glued together, can you calculate the volume then?

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3 years ago
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