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Lisa [10]
2 years ago
14

Does someone know the answer? Simplify it 3(2a^2-3a+1)-(2a+7)

Mathematics
1 answer:
igor_vitrenko [27]2 years ago
7 0

Answer:

5a3-5a2

Step-by-step explanation:

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Please help I will mark you as the brainliest for the best answer!
adelina 88 [10]
-6, -7, -8 degrees Celsius. I know these temperatures are colder because they are are a higher negative, and when measuring temperature the higher the negative the colder the temperature is.


Hopes that’s what you are looking for!
5 0
3 years ago
When will the equation p(b)=520(0.88)^b have a value less than 100?
yulyashka [42]

Answer:

The given equation will have value less than 100 whenever the value of b is greater than 12.89

Step-by-step explanation:

For the given equation, p(b) = 520 × 0.88^{b} to have a value less than 100 we can establish inequality as:

                     p(b) < 100

         or,  520 × 0.88^{b} < 100

         or, \frac{520}{520} × 0.88^{b} < \frac{100}{520}

         or, 0.88^{b} < \frac{1}{5.2}

         or, ㏒ ( 0.88^{b} ) < ㏒  (\frac{1}{5.2})

         or, b× ㏒ 0.88 < ㏒  (\frac{1}{5.2})

         or,  \frac{log (\frac{1}{5.2}) }{log (0.88)}   <  b

         or, 12.89 < b

Hence for the equation to have value less than 100, b must be greater than 12.89.

3 0
3 years ago
What is the surface area of the triangular prism?
sasho [114]

Answer:

The answer is 168!

Step-by-step explanation:

6*4=24 (There are two triangles so you don't have to divide by 2, 24 is simply the answer to both), 6*9=54, 5*9*2=90, 90+54+24=168! I hope this helps! Have a great rest of your day!

5 0
3 years ago
Read 2 more answers
Identify the mode of the number 16568
Lynna [10]
The answer is 6, this is because the first step is you put the numbers in order then you find the mode by seeing what number is the most
3 0
3 years ago
(57 – 42) X-3 – 21<br><br> Help me out please
SpyIntel [72]

Answer:

1065

Step-by-step explanation:

57-42×-3-21

7 0
3 years ago
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