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2 years ago

16-25(b+3) square

1 answer:

4 0

Since 16 and 25 are perfect squares you can factor the first part.
4^2-5^2(b+3)^2
=(4-5(b+3))(4+5(b+3))
=(4-5b-15)(4+5b+15)
=(-11-5b)(19+5b)

Which can be expanded if necessary,
= -209+150b-25b^2

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Ophelia read ⅕ of her 60 pages book in ½ hour. How many pages can she read in one hour?

marishachu [46]

Answer:

She can read 24 pages in one hour.

Step-by-step explanation:

$\frac{1}{5}*2$ = $\frac{2}{5}*60pages = 24pages$

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8 0

2 years ago

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Uh can someone please help? please get it right and try to explain how

Anestetic [448]

Answer:

From least likely to most likely:

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Step-by-step explanation:

Converting all probabilities to the same type may be easier to visualize and see the chances. Let's convert each chance to percentage:

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Thus, the desired order is:

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2 years ago

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bogdanovich [222]

Answer:

actual answer is 77.32 !

Step-by-step explanation:

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2 years ago

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|2+3(-4)|

puteri [66]

Answer:

Step-by-step explanation:

So we have the expression:

$|2+3(-4)|$

First, evaluate within the absolute value bars. 3 times -4 is -12. Thus:

$=|2-12|$

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$=|-10|$

The absolute value of -10 is positive 10. So:

$=10$

And we're done!

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2 years ago

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Could someone please explain how to plot the x-intercept of the first equation and what the answer would be?

Elis [28]

Answer:

You would start in the middle of the number line, move right to positive 4x then move up 2 units to land right in line with 2y this is where your plot would be.

Step-by-step explanation:

Hope this helps mark brainliest please!

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2 years ago