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motikmotik
2 years ago
13

A gardener makes a new circular flower bed. The bed is twelve feet in diameter. Calculate the circumference and the area of the

circular flower bed.
Mathematics
1 answer:
Eduardwww [97]2 years ago
5 0
37.7 is the circumference, 113.1 is the area, use a calculator for more in depth looks.
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What is the product of a+3 and −2a2+15a+6b2?
rewona [7]

For this case we must find the product of the following expression:

(a + 3) (- 2a ^ 2 + 15a + 6b ^ 2)

We apply distributive property term to term:

(a + 3) (- 2a ^ 2 + 15a + 6b ^ 2) =\\-2a ^ 2 * a + 15a * a + 6b ^ 2 * a-6a ^ 2 + 45a + 18b ^ 2 =\\-2a ^ 3 + 15a ^ 2 + 6ab ^ 2-6a ^ 2 + 45a + 18b ^ 2=

We add similar terms:

-2a ^ 3 + (15-6) a ^ 2 + 6ab ^ 2 + 45a + 18b ^ 2 =\\-2a ^ 3 + 9a ^ 2 + 6ab ^ 2 + 45a + 18b ^ 2 =

Finally, the expression is as:

-2a ^ 3 + 9a ^ 2 + 6ab ^ 2 + 45a + 18b ^ 2

Answeer:

-2a ^ 3 + 9a ^ 2 + 6ab ^ 2 + 45a + 18b ^ 2

5 0
2 years ago
What is the sum of 2/10 + 6/100
kogti [31]

Answer:

26/100 which is simplified to 13/50

Step-by-step explanation:

you have to get equal denominators so multiply 2/10 by 10 on top and bottom to get 20/100 then you can add 6/100 plus 20/100 which is 26/100 . denominators stay the same 26/100 can be simplified to 13/50

6 0
2 years ago
Read 2 more answers
Choose the function whose graph is given by:
loris [4]
<h2>Answer:</h2>

y=3sec\left(\frac{1}{2}x\right)

<h2>Step-by-step explanation:</h2>

The graphs of sec(x) can be obtained from  the graph of the cosine function using the reciprocal identity, so:

sec(x)=\frac{1}{cos(x)}

But in this problem, the graph stands for the function:

y=3sec\left(\frac{1}{2}x\right)

Because the period is now 4π as indicated and for x=0 in the figure and this can be proven as follows:

Period=\frac{2\pi}{\frac{1}{2}}=4\pi

Also, for \ x=1 \ then \ y=3 as indicated in the figure and this can be proven as:

y=3sec\left(\frac{1}{2}x\right) \\ \\ y=\frac{3}{cos(0.5x)} \\ \\ y=\frac{3}{cos(0.5(0))} \\ \\ y=\frac{3}{1}=3

5 0
2 years ago
Jessica has a bag with 2 mint sticks, 4 jelly treats, and 14 fruit tart chews. If she eats one piece every 9 minutes, what is th
weqwewe [10]
If you add all the numbers to gather you get 20 you said the first two fruit tart chew and a jelly treat what you do after you add all the numbers together is you look at what you trying to find out you you are trying to find out the fruit tart chew and jelly treat so you have 4 jelly treats and 14 fruit tar chew you add them together and you get 18 next you divide 18 by 2 and you get 0.9 
so your answer is 0.9 
hope it helps and hope get an a i wish you the best of luck
5 0
2 years ago
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Jacob’s daily tips this work week were $99, $78, $58, $91, $90, and $68. Is Jacob correct in thinking that the mean best represe
alexandr1967 [171]
Jacob is correct in thinking that because the mean represents the average of several quantities
3 0
2 years ago
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