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tiny-mole [99]
3 years ago
10

1. 42 2.70 3.35 4.84 Helpppppppppp

Mathematics
2 answers:
vitfil [10]3 years ago
4 0
Answer = 84

Step-by-step explanation :

Area = b • h

14 = b
6 = h

14 • 6 = 84
Jobisdone [24]3 years ago
4 0
Answer: 35
Explanation: I honestly put it in a triangle generator and it gave me the answer I promise it’s right
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Which polynomial shows the difference of (4x2 + 3x - 2) and (x2 + 2x + 4)?
Marat540 [252]

Answer:

b

Step-by-step explanation:

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3 years ago
1/1×3 + 1/3×5 + ... + 1/47×49 HELP PLZ
Natalka [10]

Answer:

  24/49

Step-by-step explanation:

Let's add the terms and see if there's a pattern

  \dfrac{1}{1\times 3}+\dfrac{1}{3\times 5}=\dfrac{5+1}{1\times 3\times 5}=\dfrac{2}{5}\quad\text{sum of 2 terms}\\\\\dfrac{2}{5}+\dfrac{1}{5\times 7}=\dfrac{14+1}{5\times7}=\dfrac{3}{7}\quad\text{sum of 3 terms}

Suppose we say the sum of n terms is (n/(2n+1)), the next term in the series will be 1/((2n+1)(2n+3)) and adding that to the presumed sum gives ...

  \dfrac{n}{2n+1}+\dfrac{1}{(2n+1)(2n+3)}=\dfrac{n(2n+3)+1}{(2n+1)(2n+3)}=\dfrac{2n^2+3n+1}{(2n+1)(2n+3)}\\\\=\dfrac{(2n+1)(n+1)}{(2n+1)(2n+3)}=\dfrac{n+1}{2n+3}\text{ matches }\dfrac{(n+1)}{2(n+1)+1}

Then it appears the sum of n terms is (n/(2n+1)). So, the sum of 24 terms is ...

  S_{24}=\dfrac{24}{2\times24+1}=\boxed{\dfrac{24}{49}}

3 0
3 years ago
A bag contains 5 black, 3 green, 3 blue, and 4 yellow marbles. A marble is randomly drawn. Find P(not black). 4/15 1/5 1/3 2/3
QveST [7]

Answer:

2/3

Step-by-step explanation:

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3 green (not black)

3 blue (not black)

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6 0
3 years ago
And what does each angle equal to?
Katena32 [7]

you clicked the right one

7 0
3 years ago
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ivanzaharov [21]

Answer:

The answer is the second option

Step-by-step explanation:

8 0
2 years ago
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