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QveST [7]
3 years ago
5

Question 2

Mathematics
1 answer:
Katena32 [7]3 years ago
5 0

Answer: 60cm

Step-by-step explanation:

6 times 2 is 12

12 times 5 is 60

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Find the surface area. Leave your answer in terms of pi
Alecsey [184]

Answer:

210*pi

Step-by-step explanation:

Surface area=2*pi*r*(r+h)

=2*pi*5*(21)=210*pi

7 0
3 years ago
Part of the graph of the function f(x) = (x - 1)(x + 7) is
algol [13]

Answer:

True: B, C and D

Step-by-step explanation:

The graph of the function is shown in the attached diagram.

The vertex of the parabola (parabola is the graph of the function f(x)) is at (-3,-16), because

x_v=\dfrac{1+(-7)}{2}=-3\\ \\y_v=f(-3)=(-3-1)(-3+7)=-4\cdot 4=-16

So, option A is false and option B is true.

As you can see from the graph, the function is increasing for all x>-3, thus option C is true.

The graph is positive for x<-7 and x>1 and negative for -7<x<1, so option D is true and option E is false.

8 0
3 years ago
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makvit [3.9K]
This answer is already to the nearest tenth. The 5 is in the tenth's place.
8 0
3 years ago
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What is the awnser.i don't get it.
Dennis_Churaev [7]
8x+Y=-16
answer
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6 0
3 years ago
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Polly has a very rain number of dollar bills in her purse and no change.She spends half the money on a scarf and gives $1dollar
miss Akunina [59]

Answer:$26

Step-by-step explanation:you do the problem in reverse adding when it says spends and multiplying when it says half. she has $1 dollar left if you work in reverse you then add $3 and get $4. then add $2 and get $6 then multiply that by 2 getting $12. you then add $1 and get $13 then the last step is multiplying and you get $26. hope this helps

3 0
3 years ago
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