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zalisa [80]
3 years ago
13

How to get beter at maths

Mathematics
2 answers:
Mandarinka [93]3 years ago
6 0

Answer:       to get better in math:-

i) listen to the math class properly

ii) practice the math works thoroughly

iii) do homeworks on time

iv) if there is any doubt still feel free to ask to the teacher

v) do revision of the taken chapters once in month

vi) If u can attend tuition classes then attend them

doing these steps I'm sure u can be better in math.

Hope it helped u, pls mark this as brainliest and put thanks for the ans

Jet001 [13]3 years ago
5 0
Try to understand the problem and take everything step by step
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Answer is (4,7)

Step-by-step explanation:

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1 year ago
How many 2/3 ounce packages can you make with 8 ounces
zloy xaker [14]
The answer is:
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4 0
3 years ago
The defect length of a corrosion defect in a pressurized steel pipe is normally distributed with mean value 30 mm and standard d
skelet666 [1.2K]

Answer:

z=-0.842

And if we solve for a we got

a=30 -0.842*7.8=23.432

So the value of height that separates the bottom 20% of data from the top 80% is 23.432.  

Step-by-step explanation:

Let X the random variable that represent the heights of a population, and for this case we know the distribution for X is given by:

X \sim N(30,7.8)  

Where \mu=30 and \sigma=7.8

For this part we want to find a value a, such that we satisfy this condition:

P(X>a)=0.80   (a)

P(X   (b)

As we can see on the figure attached the z value that satisfy the condition with 0.20 of the area on the left and 0.80 of the area on the right it's z=-0.842

If we use condition (b) from previous we have this:

P(X  

P(z

But we know which value of z satisfy the previous equation so then we can do this:

z=-0.842

And if we solve for a we got

a=30 -0.842*7.8=23.432

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8 0
3 years ago
Find the number of sides of a regular polygon in which the measure of an interior angle is three times the measure of an exterio
Serhud [2]
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Also sum of all the exterior angles of any polygon is 360°

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6 0
2 years ago
How do i factor this trinomial 5y^2 — 7y — 6 ​
scZoUnD [109]

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5y^2-7y-6

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5 0
2 years ago
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