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Lunna [17]
3 years ago
5

Arrange from least to greatest

Mathematics
1 answer:
Irina18 [472]3 years ago
5 0

Answer:

i think b or d

Step-by-step explanation:

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Will pick brainlyest help me plz 15 pts
leonid [27]
1.50c + 2.50a = 1100
c + a = 500

multiply the second equation by -1.50
                    
                      1.50c + 2.50a = 1100
-1.50c - 1.50a = -7.50


8 0
3 years ago
In a national survey of 1987 adults, 1570 responded that lack of respect and courtesy in American society is a serious problem,
Alik [6]
<h2>Answer with explanation:</h2>

As per given , we  have

H_0: p\leq\dfrac{3}{4}\\\\H_a: p>\dfrac{3}{4}

Since , alternative hypothesis is right tailed, so the test is a right tailed test.

n= 1987

Proportion of adults believe that rudeness is a worsening problem : p=\dfrac{1257}{1987}\approx 0.6326

Test statistic : z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}

z=\dfrac{ 0.6326-0.75}{\sqrt{\dfrac{0.75(1-0.75)}{1987}}}=-12.09

(since , the normal curve takes values of z from -7 to 7, so we use critical value to draw conclusion.)

The critical value for a significance level of 0.005= 1.645

Since , absolute test statistic value (12.09) is greater than the critical value (1.645), it means there is statistical significance and so we reject the null hypothesis.

3 0
3 years ago
Select all the numbers that are common multiples of 4 and 6.
Verdich [7]

Answer:

12, 24, and 60.

Step-by-step explanation:

It says multiples. Not factors, so it can't be 1 or 2. Neither of the numbers can make the number 10. 4 can make 40, but 6 can't.

8 0
2 years ago
Read 2 more answers
What gradient is shown in the graph
Lelu [443]

Answer:

-2/1 or -2

Step-by-step explanation:

in an equation this would be y=-2x-3

5 0
2 years ago
PLEASE HELP ASAP!!!
ZanzabumX [31]

Answer:

should be 2 excluding the start (origin)

Step-by-step explanation:

3 0
3 years ago
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