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Westkost [7]
3 years ago
10

What could you add too x^2-6+1 to make it a perfect square

Mathematics
1 answer:
NARA [144]3 years ago
3 0

Answer:

we don't know your questions

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Geometry)) Find the value of x
Harlamova29_29 [7]

Answer:

\tt x=14

Step-by-step explanation:

\tt 6x+6=90

\tt 6x+6-6=90-6

\tt 6x=84

\tt \cfrac{6x}{6} =\cfrac{84}{6}

\tt x=14

~

8 0
2 years ago
Tropical Smoothie is halfway between Shawn’s house and Isabella’s house. Shawn’s house is located at the point (4, 6) on the coo
weeeeeb [17]

Answer: i have

Step-by-step explanation: no idea

3 0
2 years ago
A rectangular box is twice as long as it is wide. The height of the box is 3 feet less than the width. If the box is x feet wide
Xelga [282]
In order to get the volume of a rectangular box, the formula would be V = LxWxH.
So given that Length L = 2w
H = 3-w
W = x
Let x be the width, so it will look like this.
V = (2x)(x-3)(x)
Multiply these and we will get 2x^3-6x^2.
Therefore, the answer would be option D. Hope this answer helps. Let me know if you need more help next time.
8 0
3 years ago
Read 2 more answers
According to the latest survey the mean world lifespan is 68.8 years the university of Oregon wants to see if the average life s
pishuonlain [190]

Answer:

Step-by-step explanation:

We would set up the hypothesis test.

For the null hypothesis,

µ = 68.8

For the alternative hypothesis,

µ ≠ 68.8

This is a two tailed test.

Since the number of samples is small and no population standard deviation is given, the distribution is a student's t.

Since n = 26,

Degrees of freedom, df = n - 1 = 26 - 1 = 25

t = (x - µ)/(s/√n)

Where

x = sample mean = 72.8

µ = population mean = 68.8

s = samples standard deviation = 2.5

t = (72.8 - 68.8)/(2.5/√26) = 8.16

We would determine the p value using the t test calculator. It becomes

p < 0.00001

Assuming a significance level of 0.05, then

Since alpha, 0.05 > than the p value, then we would reject the null hypothesis. Therefore, At a 5% level of significance, the sample data showed significant evidence that the average life span of the residence of Oregon differs from the world average.

4 0
3 years ago
Q.2 - The graph shows the number of paintballs a machine launches, y, in x seconds:
Vesna [10]

Answer:

c

Step-by-step explanation:

5 0
1 year ago
Read 2 more answers
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