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Roman55 [17]
3 years ago
12

Determine the next number in the following sequence. Explain your reasoning. Please tell me what expression you used.

Mathematics
1 answer:
Fittoniya [83]3 years ago
4 0
30 because after 21 it goes up by 9
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Calculate the area of each circle and show work
Shtirlitz [24]

Answer:

area = 2.54 {ft}^{2}

Step-by-step explanation:

The formula to find the area of a circle is

area \: of \: circle \:  = \pi {r}^{2}

Let pi be (3.14), the radios as given in the question is (0.9). Therefore;

\pi {r}^{2}  =  \\ (3.14) \: {(0.9)}^{2}  \\ 3.14 \times 0.81 =  \\ 2.5434 \: or \: 2.54 {ft}^{2}

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Natasha_Volkova [10]

Answer:

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So, 108 kilometers per hour = 108 × 0.27777777777778 = 30 meters per second.

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How do you factor this trinomial 4a^2-4a+1
ElenaW [278]

Answer:

(2a-1)(2a-1)

Step-by-step explanation:

To write the factored form, multiply a*c from the standard form ax^2+bx+c. Here it is 4*1 = 4.

Then find factors of 4 that add to b=-4.

4: 1,2,4

-2+-2 = -4

Split the middle term into -2x+-2x and factor by grouping.

4a^2-2a+-2a+1\\(4a^2-2a)+(-2a+1)\\2a(2a-1)-1(2a-1)\\(2a-1)(2a-1)


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2 years ago
I’ve looked at this for a while, can someone clear up the answers for me? I can’t figure it out.
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4 0
2 years ago
Today, a factory inspector found flaws in 2 out of 16 wooden boxes. If the inspector checks 24 boxes tomorrow, predict how many
Mumz [18]

Answer:

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Step-by-step explanation:

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Therefore, we can assume around 3 defective boxes tomorrow.

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3 years ago
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