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Valentin [98]
3 years ago
12

Simplify : -26b^2 + (-27b^2)

Mathematics
2 answers:
____ [38]3 years ago
5 0

<u><em>-53b² is the correct answer.</em></u><em>  </em>First you had to remove parenthesis first, and it gave us, -26b^2-27b^2. And then add similar elements, and it gave us the answer is -26b^2-27b^2=-53b^2, or -53b² is the right answer. Hope this helps! And thank you for posting your question at here on brainly, and have a great day. -Charlie

IgorLugansk [536]3 years ago
3 0
Step by step solution :

Step 1 :

Equation at the end of step 1 :

(0 - (26 • (b2))) + (0 - 33b2)
Step 2 :

Equation at the end of step 2 :

(0 - (2•13b2)) + -33b2
Step 3 :

Final result :

-53b2
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Step-by-step explanation:

4.992

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Solve for x.<br> Sqrt8 (Sqrt2 - x) = 11
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Answer:\frac{-7\sqrt{2} }{4}

Step-by-step explanation:

So first, let's get rid of the parentheses. We can multiply it out to get \sqrt{16}-x\sqrt{8} =11. We know that the square root of 16 is ±4, so now our equation is ±4 - x\sqrt{8}=11. I'm guessing since the problem only has one solution it's most likely only positive 4, so let's revise our equation to 4 - x\sqrt{8}=11. We can use inverse operations to make the a little easier to solve: -7= x\sqrt{8}. We divide both sides by \sqrt{8} to get \frac{-7}{\sqrt{8} } =x, which we can rationalize (remove the square root from the denominator so that it's a proper answer) by multiplying by \frac{\sqrt{8} }{\sqrt{8} } (which is equal to one so we can use it) which is equal to \frac{-7\sqrt{8} }{8}. Let's finish this by simplifying it. \sqrt{8} =2\sqrt{2} (2x2^{2}). We can simplify it further by simplifying the 2, making it \frac{-7\sqrt{2} }{4}.

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Answer:

12:30 pm

Step-by-step explanation:

8:30 am pond is empty

10:30 am pound is 1,400 gallons full

  time?    pound is 2,800 gallons full

from 8:30 to 10:30 are 2 hours so the rate of filling up is

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