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Mamont248 [21]
3 years ago
10

If AOCD AJAL, then which of the following statements are true?

Mathematics
1 answer:
Stolb23 [73]3 years ago
8 0

Answer:

A,C,D i believe

Step-by-step explanation:

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What is the elasped time for 9:30p.m to8:30a.m?
solniwko [45]
12:00-9:30 = 2:30
12:30+8:30 = 8:30
2:30 + 8:30 = 11:00
11 total hours elapsed
3 0
3 years ago
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First picture is by itself. Next is graph problem :)
monitta

Answer:

1). g(-9) = -81.914

2). Last option

Step-by-step explanation:

1). f(x) = x²

   For x = -9

   f(-9) = (-9)² = 81

   g(x) = \frac{32}{2x-17}

   g(-9) = \frac{32}{[2(-9)-17]}

           = \frac{32}{-35}

           = - \frac{32}{35}    

   (g - f)(-9) = g(-9) - f(-9)

                  = -\frac{32}{35}-81

                  = \frac{-32-2835}{35}

                  = -\frac{2867}{35}

                  = -81.914

2). The relation is not a function because this function doesn't passes a vertical line test.

Last option will be the answer.

5 0
3 years ago
Suppose you are the manager of Speedy Oil Change which claims that it will change the oil in​ customers’ cars in less than 30 mi
Veronika [31]

Answer:

Explained below.

Step-by-step explanation:

(1)

The hypothesis can be defined as follows:

<em>H</em>₀: The Speedy Oil Change will change the oil in​ customers’ cars in more than 30 minutes on average, i.e. <em>μ</em> > 30.

<em>H</em>ₐ: The Speedy Oil Change will change the oil in​ customers’ cars in less than 30 minutes on average, i.e. <em>μ</em> ≤ 30.

(2)

Use Excel to compute the sample mean and standard deviation as follows:

\bar x=\text{AVERAGE(array)}=24.917\\\\s=\text{STDEV.S(array)}=8.683

Compute the test statistic as follows:

t=\frac{\bar x-\mu}{s/\sqrt{n}}=\frac{24.917-30}{8.683/\sqrt{36}}=-3.51

The degrees of freedom is:

df = n - 1

   = 36 - 1

   = 35

Compute the p-value as follows:

p-value=P(t_{35}

(3)

The <em>p</em>-value = 0.0006 is very small.

The null hypothesis will be rejected at any of the commonly used significance level.

(4)

There is sufficient evidence to support the claim that the Speedy Oil Change will change the oil in​ customers’ cars in less than 30 minutes on average.

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3 years ago
You spend 30 minutes reading emails. You then spend 3 hours watching television. write the ratio of the amount of time spent rea
oksano4ka [1.4K]

Ten minutes to 1 hour

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3 years ago
Can someone help me on this? pls
vivado [14]

Answer:

C

Step-by-step explanation:

If this helped, please mark me as brainliest.

6 0
2 years ago
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