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jeka94
3 years ago
5

Name a pair of adjacent angles in the diagram above.

Mathematics
1 answer:
Luda [366]3 years ago
5 0
The answer is D. 7 and 8
Adjacent angles has a common side and a common vertex
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If x = 1/3 and y = 3/4 , evaluate the following expression: 8 x − 3 y
LUCKY_DIMON [66]

Answer:

5/12 or 0.416667

Step-by-step explanation:

Plug in the values for x and y.

8(1/3) - 3(3/4)

Evaluate.

8/3 - 9/4

32/12 - 27/12

= 5/12

6 0
3 years ago
X = -0.25 and y = -6<br> Solve the expression: xy
Vitek1552 [10]

Answer:

If x = -0.25 and y = -6 then we have -6(-0.25) = 1.5

Hope this helps!

5 0
2 years ago
To help consumers assess the risks they are taking, the Food and Drug Administration (FDA) publishes the amount of nicotine foun
QveST [7]

Answer:

We conclude that  the mean nicotine content is less than 31.7 milligrams for this brand of cigarette.

Step-by-step explanation:

We are given the following in the question:  

Population mean, μ = 31.7 milligrams

Sample mean, \bar{x} = 28.5 milligrams

Sample size, n = 9

Alpha, α = 0.05

Sample standard deviation, s =  2.8 milligrams

First, we design the null and the alternate hypothesis

H_{0}: \mu = 31.7\text{ milligrams}\\H_A: \mu < 31.7\text{ milligrams}

We use One-tailed t test to perform this hypothesis.

Formula:

t_{stat} = \displaystyle\frac{\bar{x} - \mu}{\frac{s}{\sqrt{n}} }

Putting all the values, we have

t_{stat} = \displaystyle\frac{28.5 - 31.7}{\frac{2.8}{\sqrt{9}} } = -3.429

Now, t_{critical} \text{ at 0.05 level of significance, 8 degree of freedom } = -1.860

Since,                  

t_{stat} < t_{critical}

We fail to accept the null hypothesis and accept the alternate hypothesis. We conclude that  the mean nicotine content is less than 31.7 milligrams for this brand of cigarette.

3 0
3 years ago
OMG!!! I forgot what Order of Operations were! I need help....
prisoha [69]
Think of PEMDAS, or Please Excuse My Dear Aunt Sally. Which is Parentheses, Exponents, Multiplication and Division, and Addition and Subtraction in that order.
4 0
3 years ago
Read 2 more answers
How do you make a function
dmitriy555 [2]
This site will tell you how https://sciencing.com/write-functions-math-8315770.html
I’m not very good at explaining it sorry
7 0
3 years ago
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