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MissTica
3 years ago
13

Claire has 15 green beads 8 blue beads and 4 yellow beads. If she puts them onto 3 strings equally how many beads are on each st

ring?
Mathematics
2 answers:
zhenek [66]3 years ago
5 0
Nine, cause 8+4+3= 27! And I think, since there's 3 bead types you divide it by three. Which is nine!!
Katyanochek1 [597]3 years ago
4 0
There are 9 beads on each string
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a

Step-by-step explanation:

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Answer:

Step-by-step explanation:

18 7/8 - 14 7/9

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Square root of 648.7209 by division method
SpyIntel [72]

Answer:

25.47

Step-by-step explanation:

This root can be rewritten as:

\sqrt{\frac{6487209}{10000} }

\sqrt{\frac{6487209}{100^{2}} }

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240267 is a multiple of 3, then:

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\frac{9\times 283}{100}

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25.47

6 0
3 years ago
1. If a polynomial of Degree 4 has an imaginary zero at -2i and a real zero at 5, how many imaginary zeros does it have?
Vadim26 [7]

Answer:

Complex roots for polynomials equations will always come in conjugate pairs.  Since 1-2i is a root, 1+2i will also be a root.  (Just switch the sign of the imaginary part to its opposite.)

Step-by-step explanation:

So far we have 1-2i and 1+2i as roots.  We need two more to make a 4th degree polynomial.

x=1 with multiplicity of 2 means that we count the root twice when we write down the polynomial: (x - 1)(x - 1) = (x - 1)2

Putting it all together, we can construct our polynomial of degree 4 as

y = f(x) = (x - 1)(x - 1)[x - (1-2i)][x - (1+2i)]

Multiply the factors (FOIL):

[x - (1-2i)][x - (1+2i)] =

x2 - (1+2i)x - (1-2i)x + (1-2i)(1+2i) =

x2 - x - 2ix - x + 2ix + (1 + 2i - 2i + 4) =

x2 - 2x + 5

(x - 1)(x - 1) = x2 - x - x + 1 = x2 - 2x + 1

Now multiply the two underlined expressions:

y = (x2 - 2x + 5)(x2 - 2x + 1)

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Answer:I don't know this one

Step-by-step explanation:

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