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Julli [10]
3 years ago
7

Does anyone know these?​

Mathematics
1 answer:
Lyrx [107]3 years ago
8 0

Answer:

1a. triangle

1b. triangle

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How do I solve w(x)=4x+5; find w(-8)?
madam [21]
W(x) = 4x + 5

w(-8) = 4(-8) + 5 = -32 + 5 = -27
6 0
3 years ago
Their win percentage was 40, WICHTW hally s
xxMikexx [17]

Answer:

The answer is 800

Step-by-step explanation:

just divide 600 divided by 75%

easy

and if that doesn't work idk what will... sorry

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3 years ago
26,500 in scientific notation
HACTEHA [7]
          It would be 2.6 x 104 for 26,500 in scientific notation.
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Solve for x<br> help me please will give brainliest answer!!!
schepotkina [342]

Answer:

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6 0
3 years ago
The director of a state agency believes that the average starting salary for clerical employees in the state is less than ​$35 c
MrRissso [65]

Answer:

There is not enough evidence to conclude that  average starting salary for clerical employees in the state is less than ​$35,000 per year.

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 35,000 dollars per year

Sample mean, \bar{x} = 34,700 dollars per year

Sample size, n = 100

Alpha, α = 0.10

Population standard deviation, σ = 3,500 dollars per year

First, we design the null and the alternate hypothesis

H_{0}: \mu = 35,000\text{ dollars per year}\\H_A: \mu < 35,000\text{ dollars per year}

We use one-tailed z test to perform this hypothesis.

Formula:

z_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{\sigma}{\sqrt{n}} }

Putting all the values, we have

z_{stat} = \displaystyle\frac{34700 - 35000}{\frac{3500}{\sqrt{100}} } = -0.8571

Now, z_{critical} \text{ at 0.10 level of significance } = -1.28

Since,  

z_{stat} > z_{critical}

We fail to reject the null hypothesis and accept the null hypothesis.

Thus, there is not enough evidence to conclude that  average starting salary for clerical employees in the state is less than ​$35,000 per year.

3 0
3 years ago
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