Can someone help me with this please
1 answer:
Answer:
(-5,-8)
(2,-8)
(-3,-4)
Step-by-step explanation:
Please refer to the image attached with this answer. Please see that we are required to shift the ΔABC 8 units to the left. We just need to shift it to left. Hence the changes will occur in x coordinates only. Each of the x coordinates of the original triangle will be shifted to left by 8units. Hence we just subtract 8 from each x coordinates. It gives us a new triangle ΔA'B'C' whose coordinates will be
(-5,-8)
(2,-8)
(-3,-4)
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Answer: 2.093
Step-by-step explanation:
As per give , we have
Sample size : n= 20
Degree of freedom : df= n-1=19
Significance level :
Since , the sample size is small (n<30) so we use t-test.
For confidence interval , we find two-tailed test value.
Using students's t-critical value table,
Critical t-value :
Thus, the critical value for the 95% confidence interval = 2.093
Answer:
x = 1.5
Step-by-step explanation:
Given
Required
Find the value of x.
First, the inequalities need to be rewritten and merged;
if , then
Multiply both sides by 2
Similarly;
Multiply both sides by 2
Merging these results together; to give
This means that the range of values of x is from 1.5 to 4.9999....
From the question, x is the smallest rational number; from the range above (), the minimum value of x is 1.5 and 1.5 is a rational number;
Hence, x = 1.5