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iogann1982 [59]

2 years ago

6

Kelly is knitting a scarf for her brother. It took her 1/3 hour to knit 1/2 foot of the scarf. How fast Kelly knitting, in feet

per hour
please help me

1 answer:

Helga [31]2 years ago

3 0

Answer:

9/8

Step-by-step explanation:

She is knitting /3 for 3/8

Therefore, the answer is 9/8

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What is the product of 115 and 22?

Bess [88]

Answer :D

2530

Question explanation:

$115 * 22 = 2530.$

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1 year ago

Help me pls!!!!!!!!!

Dominik [7]

Answer:

$x^2+18=-9x : x = -3, x = -6$

Step-by-step explanation:

$x^2+18=-9x$

Add 9x to both sides:

$x^2+18+9x=-9x+9x$

Simplify:

$x^2+9x+18=0$

Solve with the quadratic formula:

For a quadratic equation of the form $ax^2+bx+c=0$ the solutions are:

$x_{1,\:2}=\frac{-b\pm \sqrt{b^2-4ac}}{2a}$

For $a=1,\:b=9,\:c=18:\quad x_{1,\:2}=\frac{-9\pm \sqrt{9^2-4\cdot \:1\cdot \:18}}{2\cdot \:1}$

$x =\frac{-9 + \sqrt{9^2-4\cdot \:1\cdot \:18}}{2\cdot \:1} : -3$

$x =\frac{-9 - \sqrt{9^2-4\cdot \:1\cdot \:18}}{2\cdot \:1} : -6$

The solution to the quadratic equation are:

$x=-3,\:x=-6$

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Thank you, have a good day!

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At a carnival, Ryan bought 16 packs of 7 tickets each. He also found 9 more tickets on the ground. How many tickets did Ryan hav

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Step-by-step explanation:

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I hope this helps

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