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mariarad [96]
3 years ago
11

can some help me out with this ? i need to know some steps so i can remember what im doing for the other questions i have.

Mathematics
1 answer:
Anna [14]3 years ago
6 0

Answer:

Step-by-step explanation:

a^{2} +b^{2}=c^{2} \\b^{2} =c^{2}- a^{2}\\b= \sqrt{b^{2} }

49 - 16 = 33

\sqrt{33} = 5.74

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Find an explicit formula for the arithmetic sequence -5, 13, 31,
Lynna [10]

Answer:

b(n) = -23 + 18n

Step-by-step explanation:

NOTE - This is an arithmetic sequence, so each number is increasing by addition. If you were in a geometric sequence, however, you'd be multiplying. This means that the explicit formula for the geometric sequence you'll be learning later on will be different.

The formula for explicit formula is b(n)=b(1)+d(n-1). The variable d represents the common difference and the a is whatever number of the term you are using.

Since you have b(1), you look at what your first term is. Plug -5 into a(1).

To find your common difference, find 13-(-5). This is 18, and adding it to the others you can see that it continues.

So, plugging in what you have so far it looks like b(n) = -5 + 18(n - 1)

All we need to do now is simplify.

1. Distribute: -5 + 18n - 18

2. Add like terms: -23 + 18n

Hope this helped and made sense lol.

8 0
3 years ago
Evaluate 3^2 (6-2) times 4-6/3
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4 0
3 years ago
Find all the powers of 4 in the range of 4 through 1000
Nookie1986 [14]

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4 0
2 years ago
The area of a circle is 153.86 square meters. What is the diameter of the circle? Use 3.14 for π
Sav [38]

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Step-by-step explanation:

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where:

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D: Diameter

C: Circumference

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3 0
2 years ago
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someone, please help me asap, that would be great, offering 15 points, and please do not attach a link for the answer, thanks.
algol13
Pretty sure the answer is 288
7 0
2 years ago
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