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astraxan [27]
3 years ago
8

Help? (i mark brainlist)

Mathematics
2 answers:
Annette [7]3 years ago
3 0
The answer is D
Hope this helps :)
Brrunno [24]3 years ago
3 0
Answer: d
Explanation:
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Inga [223]
No it does not

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3 years ago
A cyclist travels 12 km in 3 hours. In how many hours will he travel 24 km? *
Morgarella [4.7K]

Answer:

6 hours

Step-by-step explanation:

12km/ 3= 4 km per hour so

24/4=            

6 hours

5 0
3 years ago
Simplify the following expression. X^2/9 . X^-4/9 x^2/9 . X^-4/9
Lynna [10]

Answer:

a

Step-by-step explanation:

i hope it is b if its not im sorry

4 0
2 years ago
Why is it helpful to write numbers in different ways
Goshia [24]
You should write numbers in as many ways as you possibly can to make new connections in your brain. Knowing how to write numbers in many different ways can help you solve complex problems more easily. Doing this can also reinforce the mathematical principles and logic you have memorised.

Writing one in many different ways:

1=1/1=2/2=3/3=4/4=(-1)/(-1)=(-2)/(-2)

=1.0=1.00=1.000=(1/2)+(1/2)=(1/3)+(1/3)+(1/3)

=(1/4)+(1/4)+(1/4)+(1/4)

Writing a half in many different ways:

1/2=(1/4)+(1/4)=(1/6)+(1/6)+(1/6)

=(1/8)+(1/8)+(1/8)+(1/8)=4*(1/8)

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etc...etc...
6 0
3 years ago
Which is the equation of the parabola?
mestny [16]

Answer:

  • y = -1/20(x + 3)²

Step-by-step explanation:

<u>Consider the parent function:</u>

  • y = x²

The graph of the function open up and the vertex is at the origin, the point (0, 0)

Now, if it opens down, it means it is a reflection of the parent function over x axis, hence it has a negative coefficient, the function becomes:

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The vertex is shifted to the point (-3, 0). It means the function also translated left by 3 units, the function becomes:

  • y = -(x + 3)²

<u>Since all the options have 1/20 as a coefficient, our function is:</u>

  • y = -1/20(x + 3)²

This is option B

6 0
3 years ago
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