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ArbitrLikvidat [17]

4 years ago

11

Barb is making a a bead necklace she strings 1 white bead and then 3 blue beads then one white bead and so on write the numbers

for the first 8 beads that are white what is a rule for this pattern

1 answer:

schepotkina [342]4 years ago

4 0

If he starts with a white bead every fourth time boommtheres a white head 1_234_5_678_9_

1, 5, 9 is answer

hope it helped

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What is the factorization of 3x2 – 8x + 5?

ELEN [110]

we have

$3x^{2} -8x+5$

Equate the expression to zero to find the roots

$3x^{2} -8x+5=0$

Group terms that contain the same variable, and move the constant to the opposite side of the equation

$3x^{2} -8x=-5$

Factor the leading coefficient

$3(x^{2} -(8x/3))=-5$

Complete the square. Remember to balance the equation by adding the same constants to each side.

$3(x^{2} -(8x/3)+(16/9))=-5+(16/3)$

$3(x^{2} -(8x/3)+(16/9))=(1/3)$

Rewrite as perfect squares

$3(x-(4x/3))^{2}=(1/3)$

$(x-(4x/3))^{2}=(1/9)$

square roots both sides

$(x-\frac{4}{3})=(+/-) \sqrt{\frac{1}{9}}$

$x=\frac{4}{3}(+/-) \frac{1}{3}$

the roots are

$x=\frac{4}{3}+ \frac{1}{3}=\frac{5}{3}$

$x=\frac{4}{3}- \frac{1}{3}=\frac{3}{3}=1$

so

$3x^{2} -8x+5=3(x-\frac{5}{3})(x-1)=(3x-5)(x-1)$

therefore

<u>the answer is the option</u>

$(3x-5)(x-1)$

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If you receive $68 for mowing lawns for 8 hours. What would be the equation to find out how much money you would receive in an h

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Answer:

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

we know that

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$x$

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$4x+2x > 42+6$

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