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svetlana [45]
3 years ago
9

.........................

Mathematics
2 answers:
erma4kov [3.2K]3 years ago
5 0

Answer: C

Step-by-step explanation:

Step2247 [10]3 years ago
3 0

Answer:

A.

Step-by-step explanation:

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How many soulutions are there to the equation below?<br><br> 8x+47=8(x+5)
Novosadov [1.4K]

Answer:

Step-by-step explanation:

8x+47=8(x+5)

8x+47=8x+40

47=40

which is impossible so it has no solution.

6 0
2 years ago
Can someone explain this I don't understand. 8x + 18 - x - 9
vladimir1956 [14]
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3 0
3 years ago
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3xy=9 is it direct variation or inverse variation or neither
steposvetlana [31]

3xy = 9


y =  \dfrac 9 {3x}


y  = \dfrac 3 x


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Answer: inverse variation



5 0
3 years ago
Find the value of x that makes the equation true:
vazorg [7]
16 - x = 4
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5 0
2 years ago
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Estimate the area under the graph of f(x) = 2 cos(x) from x = 0 to x = π/2 using four approximating rectangles and right and lef
I am Lyosha [343]
So hmm notice the picture below

you're simply being asked to, approximate the area, by using 4 rectangles, like in the graph, it doesn't have to be an exact value, just an approximation, based on the width and height of the rectangles, and getting  their area by that

those rectangles are 0.39 radian long, since if you split π/2 in 4 pieces, you get around that much, the last rectangle there is a bit smaller than 0.39.... but they don't have to be 4 rectangles of equal length

so, get the area of the rectangles, based on their width and height, and sum them up

7 0
3 years ago
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