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weeeeeb [17]
3 years ago
7

Idk how to do this I’m stuck and don’t know what to do it’s due today can someone give me the answers

Mathematics
1 answer:
wel3 years ago
7 0
A: When they were distributing the 2, they didn’t distribute it to the 5. The correct answer would be 6x + 10

B: They didn’t distribute the 3 to the -3. The answer should be 6x^2 - 9

C: They didn’t distribute the -3 to the -4. The correct answer should be -9x + 12

D: The -20 should be a positive 20 because -4 x -5= 20. The correct answer should be -16x + 20

E: The 12 should be a -12 because -2 x 6= -12. The correct answer should be -8x^2 -12

F: They didn’t distribute the -9 correctly. The correct answer should be -36x^3 + 45x -54


Hope this helps!

-Grace
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Answer:

The acceleration will also be uniform when velocity changes by the same amount over time.

Step-by-step explanation:

Acceleration is defined as a rate of change of velocity per unit time.

Unit of the acceleration is m/s^{2}

So,here when the velocity changes by the same amount over time, the change here will be <u>UNIFORM</u>.

Hence, the acceleration will also be uniform when velocity changes by the same amount over time.

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3 years ago
One hose can fill a small swimming pool in 65 minutes. A larger hose can fill the pool in 35 minutes. How long will it take the
tatuchka [14]

Answer:

22.75 minutes or 22 minutes 45 seconds

Step-by-step explanation:

Okay, this is a working together question. Let’s walk through it together!

Firstly, let’s say the total volume of the swimming pool is x sq.meters

Now, the rate of the smaller hose would be x/65 while that of the larger will be x/35

Now, their combined rate would be x/65 + x/35 = 100x/2275

Now, since the volume is x, the time taken is simply, the volume divided by the joint rate. That is mathematically equal to x divided by 100x/2275

x * 2275/100x = 2275/100 = 22.75 minutes or 22 minutes 45 seconds

8 0
3 years ago
MULTIPLY<br><br><br><br><img src="https://tex.z-dn.net/?f=%5Cfrac%7B9a%5E%7B2%7D%20%7D%7Ba%5E%7B2%7D%20%2B6a%2B9%7D%20%2A%5Cfrac
Oksana_A [137]
The answer should be
(9(a^2)-27a)/(a+3)
5 0
3 years ago
Read 2 more answers
What is a million times all the numbers in the world
kozerog [31]
Well, there isn’t really an end for numbers...

However; The biggest number referred to regularly is a googolplex (10googol), which works out as 1010^100. That isn’t the end to numbers but it is a huge one. We will replace that with ‘all the numbers in the world’.

106 is the exponent equivalent to 1 million

So your question would be:
106 x 1010^100 =

However I don’t believe there is a calculator that large.
7 0
3 years ago
Let n be a whole number, and consider the statements below. p: n is a multiple of two. q: n is an even number. Which of the foll
Veseljchak [2.6K]

Answer:

C. p -> q

Step-by-step explanation:

Just did this on Edge2020. Hope this helps :)

5 0
3 years ago
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