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lina2011 [118]
3 years ago
15

Factorize completely 3ac+6ab-15a​

Mathematics
2 answers:
pogonyaev3 years ago
8 0

Answer:

3a(c + 2b - 5)

Step-by-step explanation:

Vanyuwa [196]3 years ago
6 0

Step-by-step explanation: The greatest common factor for the 3 terms here is 3a so factor out a 3a and what we're left with inside the parentheses is each of the terms in the original polynomial divided by 3a.

So we have 3a(c + 2b - 5) which is our final answer.

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You should order 4.

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6 0
4 years ago
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Out of 90 scientists who study dinosaurs, 30 study the T-Rex, 22 study the Brontosaurs and 10 study both. How many of this group
adell [148]

Answer:

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Step-by-step explanation:

hope this works or help

4 0
2 years ago
A farmer outside of Clinton NC plants 20 plots of a new type of corn. The average yield for these plots is ī= 150 bushels per ac
bogdanovich [222]

Answer:

The 95% confidence  interval is (150\pm 8.8).

Step-by-step explanation:

The information provided is:

\bar x=150\\\sigma = 20\\n=20

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z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96

Compute the margin of error as follows:

MOE=z_{\alpha/2}\cdot\frac{\sigma}{\sqrt{n}}

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Then the 95% confidence  interval is:

CI=\bar x\pm MOE

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Thus, the 95% confidence  interval is (150\pm 8.8).

5 0
3 years ago
Sarah solved a quadratic equation. Her work is shown below, with Step 1 missing.
malfutka [58]

she Could have wriiten  2(9+1)^2+6+134  did that help!!!!!!!!!??????????

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7 0
3 years ago
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First, 90 minutes will equal 1.5 hours. And I have the formula for this is distance=time×speed, so I just take 25 divided 1.5 to get the speed she is riding which equal 16 2/3 miles per hour. Hope it help!
3 0
4 years ago
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