3 years ago

Which expression represents -8x2 + 54x + 140 in factored form?

Mathematics

1 answer:

ra1l [238]3 years ago

3 0

Answer:

-2(x+2)(4x-35)

Step-by-step explanation:

Factor out the 2 and by grouping.

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What is the effective rate of a $30,000 non-interest-bearing simple discount 5%, 60-day note?

balu736 [363]

30000 due at the end of 60 years
I'll assume that the number of days in year is 360
I=30,000×0.05×(60÷360)=250

Cash in hand at the beginning of 60 days is
30,000−250=29,750

The effective rate is
R=I÷pt
R=250÷(29,750×(60÷360))
R=0.0504×100
R=5.04%

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3 years ago

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Step-by-step explanation:

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4 years ago

Add the them a. 2x2 – 3y2 , 5x2 + 6y2, - 3x2 – 4y2

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3 years ago

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Oksana_A [137]

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3 years ago

The clocks radius is 10m. What is the circumference of the clock

mario62 [17]

Answer:

20π or 62.8 roughly

Step-by-step explanation:

Hello!

The formula for finding the circumference of a circle is 2rπ:

In that case, all we have to do is substitute 10m for our r.

2 × 10 = 20.

So circumference will be 20π.

Using 3.14 for π:

We get that 62.8 is a rough estimate for the circumference.

Really, it's 62.831..... going on forever since π is irrational.

Thus, the answer exactly is $\boxed{20\:\pi}}$ .

Hope this helps!

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3 years ago