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blagie [28]
3 years ago
10

Find the common differrence of the arithmectic sequence 6,9.4,12.8,16.2

Mathematics
1 answer:
defon3 years ago
3 0
Common difference r will be the difference between next two values of number row, so we take e.g. second minus first: r=9.4-6=3.4. You can see, that this value is constant as we go through next pairs of values.
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Please help me thank u!!!
Alexxx [7]
Hello,
The answer would B. This is a tricky question in the way it's worded but we're given in 4.7 4 has a value of number 4 (in the ones place) and in 5.4, 4 has a value of 4 in the tenths place. The easiest way to think about this is, if we multiply 5.4 by 10 we get 54. And in 54 the number 4 has a value of 4, so 10 or B is the answer. Hope this helps!
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Aliun [14]

Answer:

x = 36°

Step-by-step explanation:

interior angle of regular pentagon: 180 x (5-2) /5 = 540 / 5 = 108

∠C = 108

CD = CB     ∠CDB = ∠CBD = (180 - ∠C) /2

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8 0
3 years ago
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miss Akunina [59]

Answer:

44

Step-by-step explanation:

the answer is 44 because 44 is the average and your wondering how i got 44 you add all the numbers up which will be 54 and divide by all the total numbers you have so in that case you hvae 6 numbers so 54 divide by 6 is 44

6 0
3 years ago
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49y²+42y+9 please I need help, I promise to rate you as the brain lest when I get the exact answer am looking for ​
givi [52]

Answer:

\huge\boxed{\sf (7y+3)(7y+3)}

Step-by-step explanation:

\sf = 49y^2+42y+9\\\\=(7y)^2+2(7y)(3)+(3)^2\\\\Using \ Formula \ a^2+2ab+b^2 = (a+b)^2\\\\= (7y+3)^2\\\\= (7y+3)(7y+3)\\\\\rule[225]{225}{2}

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<h3>~AH1807</h3>
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Step-by-step explanation:

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3 years ago
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