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3 years ago

7

An experiment consists of rolling two fair dice and adding the dots on the two sides facing up. What is the probability that the

sum of the dots is 6 or 9?

1 answer:

nata0808 [166]3 years ago

8 0

Answer:

4/15

Step-by-step explanation:

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Stumped someone help with geometry

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Notice how if you rotate and reflect the quadrilateral, you'll end up with angle F corresponding to angle S and angle C corresponding to angle T.

So A) angle F = angle S

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3 years ago

BRAINLIEST ANSWER UP FOR GRABS!!

Svetach [21]

X = sqrt(5^2 - 3^2) = 4
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Perform the indicated operations. Write the answer in standard form, a+bi.<br> (5 + 6i)(5 - 6i)

lubasha [3.4K]

$\boxed{\underline{\bf \: ANSWER}}$

$\sf \: ( 5 + 6 i ) ( 5 - 6 i )$

Multiply complex numbers 5+6i and 5-6i in the same way as you multiply binomials.

$\dashrightarrow \sf 5\times 5+5\times \left(-6i\right)+6i\times 5+6\left(-6\right)i^{2}$

By definition, i² is -1.

$\dashrightarrow \sf 5\times 5+5\times \left(-6i\right)+6i\times 5+6\left(-6\right)\left(-1\right)$

Do the multiplications.

$\dashrightarrow \sf \: 25-30i+30i+36$

Now cancel -30i & +30i

$\dashrightarrow \sf \: 25 \: \bcancel{- 30i} \: + \: \bcancel{30i}+36$

Now the equation becomes

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ŕάίήвόώşάĻţ2²2²

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3 years ago

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2y+18=42 what is y, and how would you find it?

Nesterboy [21]

Answer:

y=12

Step-by-step explanation:

Use order of operations. Subtract 18 from both sides and the divide by 2.

2y+18 -18=42-18

2y=24

y=12

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3 years ago

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Its the 3rd one because none of them are the same

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