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inessss [21]
3 years ago
9

HELP ASAP PLEASE AND THANK YOU

Mathematics
2 answers:
faust18 [17]3 years ago
6 0

Answer:

j+278=296

Step-by-step explanation:

that is the equation because the total is the sum of j and 278 is equal to 296

Rus_ich [418]3 years ago
5 0
Eqn: j+278=276

the question wrote that the TOTAL of j and 278 is the same as 276, which means that j PLUS 278 is EQUAL to 276.

hope this helps :)
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3 years ago
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Find the arc length of the partial circle.
Serga [27]

Known :

r = 5 cm

θ = 360° - 90° = 270°

Asked :

Arc length of the partial circle = ...?

Answer :

Arc length

=  \frac{θ}{360}  \times 2\pi r \\  =  \frac{270}{360}  \times 2 \times 3.14  \times 5 \\  =  \frac{3}{4}  \times 31.4 \\  =  \frac{3}{4}  \times  \frac{314}{10}  \\  =  \frac{942}{40}  \\  = 23.55 \: cm

So, the arc length of the partial circle is 23,55 cm

<em>Hope it helps and is useful</em><em> </em><em>:</em><em>)</em>

5 0
3 years ago
If (1 + 2x)^5+ (1 - 2x)^5 = a + bx + cx?<br> find the values of the constants a, b and c.
eimsori [14]

Answer:

steps below

Step-by-step explanation:

5th level of Pascal triangle: 1,5,10,10,5,1

(1+2x)⁵ = 1*1⁵*(2x)⁰+5*1⁴*2x+10*1³*(2x)²+10*1²*(2x)³+5*1¹(2x)⁴+1*1⁰*(2x)⁵

           = 1 + 10x + 40x² + 80x³ + 80x⁴ + 32x⁵   .. (1)

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(1)+(2): (1+2x)⁵ + (1-2x)⁵ = 160x⁴ + 80x² +2

a + bx + cx ?? suppose it's ax⁴ + bx² + cx, if you have other set up.. adjust by yourself

<u>a = 160,    b = 80,    c = 2</u>

3 0
3 years ago
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6 0
3 years ago
Why is the ratio 4:6 equal to the ratio 14:21?
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4:6 = 2:3

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Hope this helped!
8 0
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