2 years ago

Raymoon sold an article at a loss of 5%. If he had sold it for 270 more, he would have gained 7% find the cost prize of article

Mathematics

1 answer:

mote1985 [20]2 years ago

7 0

IᑎᔕEᑕTIOᑎ ᑭEᒍᗩY✓ hahahaha

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Forty percent of students in a class of 35 students are the girls. How many girls are in the class?

ad-work [718]

40% of 35 would be 14. Therefore 14 girls are in the class. Hope that helps!

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3 years ago

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PLZ HELP MARKIN BRAINEST!!!

galina1969 [7]

12 years, use the slope of the line of best fit to find the best estimate for the age of the child.

ex: (3,10), (6,20), (9,30), which means the y value of 40 must be 12.

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3 years ago

2. What is the value of 6x – 3y if x = 5 and y = 1

vesna_86 [32]

Step-by-step explanation:

x=5,y=-1

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answer G .33

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3 years ago

A teacher claims that the proportion of students expected to pass an exam is greater than 80%. To test this claim, the teacher a

erica [24]

Answer:

z=-1.591

Step-by-step explanation:

Null Hypotheses,

$H_0 : p=0.8\\H_a: p>0.80$

So we use z-test for one population proportion (right-tailed test)

According to this informaton, we defined that

$\alpha=0.05$

$z_c=1.64$ (critical value)

So our Rejection region is $R={z:z>1.64}$

$z=\frac{\bar{p}-p_0}{\sqrt{p_0(1-p_0)/n}} = \frac{0.755-0.8}{\sqrt{0.8(1-0.8)/200}}=-1.591$

Not rejection.

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2 years ago

5,500 millimeters (ml)=______ liters

Dmitrij [34]

5,500 millimeters= 0.0055 liters

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3 years ago