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worty [1.4K]
3 years ago
8

Please help me answer these 2 questions

Mathematics
1 answer:
Fittoniya [83]3 years ago
4 0
The first one is not a question. Rather it is the parameters in which the second question exists.

2. 

49.85%

This is because the likelihood of a point being within 2 SDs of the mean is 99.7%. This leaves .15 above and .15 below that curve. Given that we are looking from the mean (50%) and the upper limit with the exception of that .15, we would get the answer above. 
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Reduce in standard form -3/-15. on rational no grade 8 with step by step solution ​
sashaice [31]

Answer:

i'm not too good in this, but i believe the answer is -3

Step-by-step explanation:

the hcf, highest common factor, of both -3 and -15 is -3, hence making the answer -3? if this is incorrect, i apologize.

3 0
1 year ago
Alyssa spent 365 hours commuting on the train over the course of 54 days.if she rode the same amount of time per day , approxima
Alecsey [184]

Approximately 6.8 hours Alyssa spends on the train per day.

Given that, Alyssa spent 365 hours commuting on the train over the course of 54 days.

We need to find the number of did Alyssa spend on the train per day.

<h3>What is an equation?</h3>

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Let the number of hours Alyssa spends on the train per day be x.

Now, x=365/54

=6.759≈6.8 hours

Therefore, approximately 6.8 hours Alyssa spends on the train per day.

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8 0
1 year ago
Is x+y=8; (2,4) a solution or an equation
Sever21 [200]

Answer: neither

Step-by-step explanation: if you plug in 2 and 4 for x and y it does not equal 8

3 0
2 years ago
Read 2 more answers
What needs to be corrected in this construction of a line parallel to line AB passing through C?
UNO [17]

The option that needs to be corrected in this construction of a line parallel to line AB passing through C is C: the second arc should be centered at C.

<h3>Why should the second arc be centered at C?</h3>

The second arc should be centered at C because as it crosses passing through Line C, it is seen that it was not touching or intersecting AB and so one can say that it is parallel to it.

Looking at the other lines, we will see that they are all touching AB and are not running parallel to it.

Hence, The option that needs to be corrected in this construction of a line parallel to line AB passing through C is C: the second arc should be centered at C.

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5 0
2 years ago
76 × 78 using compatible numbers
valkas [14]
76 x 78= 5928 how this helps
8 0
3 years ago
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