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Liula [17]
3 years ago
10

Help me please. I give you 5 star and brainliest

Mathematics
1 answer:
crimeas [40]3 years ago
8 0

Answer:

a \\  \frac{50}{0.25}  = 200 \:  \frac{km}{ {h}^{2} }  \\ b \\ the \: area \: under \: graph = whole \: distance =  \\  = 50 \times (2 + 1.5) \times 0.5 + \\  + 50 \times (0.5 + 1) \times 0.5 = 125km \\ c \\  \ \: average \: speed \:  =  \frac{125}{2}  = 62.5 \frac{km}{h}

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Hey can you please help me posted picture of question :)
elena55 [62]
The graph is crossing x-axis at the points
a) -1 
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This means x + 1, x - 5 and x - 8 are the factors of the given polynomial. We can express the polynomial as the product of its factors. So the given polynomial can be expressed as (x + 1)(x - 5)(x - 8).

Thus, the correct answer to this question is option D
5 0
3 years ago
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What’s the correct answer for this?
sineoko [7]

Answer:

52.42

Step-by-step explanation:

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4 0
3 years ago
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laila [671]

Answer:

Option A, C, and E

Step-by-step explanation:

7 to the fourth power is the same as 7 times 7 times 7 times 7.

7^4 is the same thing as 7 to the fourth power, just rewritten.

I hope this helped, please give brainliest if this is correct! Thank you!

8 0
3 years ago
Please, I need help ASAP!
enot [183]

Answer:

A

Step-by-step explanation:

You can eliminate B and D because it’s using \frac{g}{f}, but the question is asking \frac{f}{g}. So it’s either A or C. They are both written correctly, but out of the two, A is correct because just that x ≠ \sqrt{7} part of it is what makes it true.

The reason being is that the only thing that won’t make \frac{2x+1}{x^{2}-7 } true is when the denominator equals 0, because anything divided by 0 is undefined. So, when you plug \sqrt{7} for x in the denominator you get: \sqrt{7^{2} } -7. The \sqrt{7^{2} } part just turns into 7, and 7 - 7 is 0. So you don’t want x to equal \sqrt{7}.

<u>So the answer is A:</u>  \frac{2x+1}{x^{2}-7}, x\neq ± \sqrt{7}

There you go my friend!

I hope you understand and that this helps with your question! :)

7 0
3 years ago
Tang created a number line for his class to use. A number line has points negative 4, A, B, blank, 0, blank, C, D, 4. Which poin
cestrela7 [59]

Answer:

Answer: D

Step-by-step explanation:

I took the test and got it right i promise

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