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maksim [4K]
3 years ago
15

Find the product of C =AB. Cu= C12= C21 = C22 =

Mathematics
2 answers:
Mnenie [13.5K]3 years ago
4 0

Answer:

Answer is in pic

Step-by-step explanation:

EDGE 2021

serg [7]3 years ago
3 0

Answer:

-1, 3, 3, -3

Step-by-step explanation:

On Edg

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VLD [36.1K]
Easy! 5×3 tickets which equals 15 tickets in all!
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3 years ago
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Find the area of the region that lies under the parabola y=5x - x^2, where 1≤x≤4. I would definitely like to see some work :)
Elena L [17]

Answer:

  16.5 square units

Step-by-step explanation:

You are expected to integrate the function between x=1 and x=4:

  \displaystyle\text{area}=\int_1^4{(5x-x^2)}\,dx=\left.\left(\dfrac{5}{2}x^2-\dfrac{1}{3}x^3\right)\right|_{x=1}^{x=4}\\\\=\dfrac{5(4^2-1^2)}{2}-\dfrac{4^3-1^3}{3}=37.5-21=\boxed{16.5}

__

<em>Additional comment</em>

If you're aware that the area inside a (symmetrical) parabola is 2/3 of the area of the enclosing rectangle, you can compute the desired area as follows.

The parabolic curve is 4-1 = 3 units wide between x=1 and x=4. It extends upward 2.25 units from y=4 to y=6.25, so the enclosing rectangle is 3×2.25 = 6.75 square units. 2/3 of that area is (2/3)(6.75) = 4.5 square units.

This region sits on top of a rectangle 3 units wide and 4 units high, so the total area under the parabolic curve is ...

  area = 4.5 +3×4 = 16.5 . . . square units

4 0
2 years ago
Help me please i need this urgent
Pavel [41]
In pythagoras's theorem, generally a is the shortest side, b is the second shortest and c is the hypotenuse: a^{2} +  b^{2} = c^{2}. However, there is a problem. The questions aren't actually possible without using sine, cosine, and tangent (which are mathematical ratios if you didn't know). I can help you with this but it will take time explaining.
8 0
3 years ago
Solve for y. Round to the nearest hundredth
beks73 [17]

Answer:

Correct answer:  Third answer  y = 7.96

Step-by-step explanation:

By definition of tan we obtain:

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y = 7.96

God is with you!!!

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3 years ago
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The price of a train ride is $12 it went up by 1/6 what is the new price<br><br><br> Please help
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Answer::12/6 :))))))$
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