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san4es73 [151]
3 years ago
15

Find the Vertex of 2x^2+8x+1 A. (-2,-7) B.(1,7) C.(-2,-1) D.(3,-4)

Mathematics
1 answer:
Nana76 [90]3 years ago
4 0
A.) (-2,-7) is the answer.
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Luis earns a base salary of $150.00 every week with an additional 14% percent commission on everything he sells. Luis sold $6050
timama [110]

150(1 + 0.14) = x \\ 6050 \div x = y
hope that helps
4 0
3 years ago
13/19x=130 how do I solve?
Taya2010 [7]
Divide both numbers by 13/90

13/90x = 130
÷13/90   ÷13/90

x= 900
8 0
3 years ago
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A standard roulette wheel with slots labeled 0, 00, 1, 2, 3, … , 36 is spun 60 times. Of these spins, the number 7 is spun 7 tim
WARRIOR [948]

Since the p-value of the test is of 0.00001 < 0.01, these results have statistical significance.

<h3>What is the relation between the p-value and the conclusion of the test hypothesis?</h3>

Depends on if the p-value is less or more than the significance level:

  • If it is more, the null hypothesis is not rejected, which means that the results do not have statistical significance.
  • If it is less, it is rejected, which means that the results have statistical significance.

In this problem, the probability is the p-value, hence since the p-value of the test is of 0.00001 < 0.01, these results have statistical significance.

More can be learned about p-values at brainly.com/question/13873630

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6 0
2 years ago
What two whole numbers is the quotient between?
Katarina [22]

Answer:

Choice D

Step-by-step explanation:

38/4 =9.5

Therefore, this number is between 9 and 10

Note:

38/4 = 9 remainder 2

Hence, the quotient is 9 which is a whole number

3 0
3 years ago
13, 5, 4, 9, 7, 14, 4 The deviations are _____.
fenix001 [56]

Answer:

B."5, -3, -4, 1, -1, 6, -4"

Step-by-step explanation:

We are given that

13,5,4,9,7,14,4

We have to find the deviation.

Mean=\frac{sum\;of\;data}{total\;number\;of\;data}

Using the formula

Mean,\mu=\frac{13+5+4+9+7+14+4}{7}

Mean,\mu=\frac{56}{7}=8

Deviation=x_i-\mu

         x_i-\mu

13          5

5           -3

4           - 4

9            1

7             -1

14            6

4            - 4

Hence, option  B is correct.

7 0
3 years ago
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