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Troyanec [42]
2 years ago
15

-4a+8b-6cwhat the answer ​

Mathematics
1 answer:
denis23 [38]2 years ago
4 0

Answer:

-2(2a-4b+3c)

Step-by-step explanation:

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Water flows through a pipe at a rate of 490 milliliters every 6.5 hours. Express this rate of flow in fluid ounces per minute.
sergij07 [2.7K]

Answer:

0.42

Step-by-step explanation:

8 0
3 years ago
Please Help Me! It’s Math! Please!
nadezda [96]

Answer:

D. About 800 years

Step-by-step explanation:

Use the half-life equation:

A = A₀ (½)ⁿ

where A is the final amount,

A₀ is the initial amount,

and n is the number of half-lives.

0.90A₀ = A₀ (½)ⁿ

0.90 = (½)ⁿ

To solve for n, take log of both sides:

log 0.9 = n log 0.5

n = (log 0.9) / (log 0.5)

n = 0.152

It takes 0.152 half-lives.  The half-life of carbon-14 is 5730 years.

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The closest answer is D.

8 0
3 years ago
Please help me with this geometry problem
Natalka [10]
You're looking for the volume of the prism.  The dead giveaway there is that you're looking for "cubic" measurement.  Cubic measures are indicators that the volume is being determined, just like "square feet" or inches, etc indicates area is being determined.  The volume for this prism is found by multiplying the length times the width times the height.  In decimal form, 45×30×40=54,000.  But that is in cubic inches and we want cubic feet.  So we will use dimensional analysis to convert that.  Setting up the DA looks like this, keeping in mind that there are 12 cubic inches in 1 cubic foot:  54,000in^3* \frac{1ft*1ft*1ft}{12in*12in*12in}.  The label of cubic inches cancels out leaving us with cubic feet, and doing the division there gives us 54,000/(12*12*12) which is 31.25 cubic feet.
4 0
3 years ago
Please help 50 points
sertanlavr [38]

Answer:

2. Georgia colony

3. Massachusetts Bay Colony

4.   New York

5. Charter of Pennsylvania

6. May 4, 1776

7. Swedes colony

8. Rhode Island colony and Connecticut colony

9. New York

10. Plymouth colony

11. Maryland and Virginia colony were both founded in 1776

12. 1732 - 1215 = 517

Hope this helps, could sure use brainliest after this:)

4 0
3 years ago
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anna is in acave 42 feet below the cave entrance. she descends 17 feet . then ascends 21 feet. find her new position relative to
tatyana61 [14]
The answer is Negative 38

3 0
3 years ago
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