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2 years ago

The constant of proportionality has the same value as the unit rate true or false?

2 answers:

8 0

True if the ratio is 1:7 let’s say the constant of proportionality would be 7 because to get to 1 to 7 we multiply 1 • 7 = 7, and the unit rate is the exact same thing

Dennis_Churaev [7]2 years ago

5 0

Answer:

True they represent the same thing

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The price of an item has risen to $ 299 today. Yesterday it was $130.

hoa [83]

Answer:

It has risen by $169

Step-by-step explanation:

299

130

----------

169

7 0

2 years ago

What’s the answer to this problem?

Vinil7 [7]

×=23

:) :) :) :) :););) ;););)

5 0

2 years ago

Solve for x. −14x+5=34 Enter your answer in the box

adelina 88 [10]

-14x + 5 = 34
-14x = 29
x = -2.10

7 0

2 years ago

Read 2 more answers

In order to estimate the average time spent on the computer terminals per student at a local university, data were collected fro

VladimirAG [237]

Answer:

Margin of error for a 95% of confidence intervals is 0.261

Step-by-step explanation:

Step1:-

Sample n = 81 business students over a one-week period.

Given the population standard deviation is 1.2 hours

Confidence level of significance = 0.95

Zₐ = 1.96

Margin of error (M.E) = $\frac{Z_{\alpha }S.D }{\sqrt{n} }$

Given n=81 , σ =1.2 and Zₐ = 1.96

Step2:-

 $Margin of error (M.E) = \frac{Z_{\alpha }S.D }{\sqrt{n} }$ 

 $Margin of error (M.E) = \frac{1.96(1.2) }{\sqrt{81} }$ 

On calculating , we get

Margin of error = 0.261

Conclusion:-

Margin of error for a 95% of confidence intervals is 0.261

4 0

3 years ago

Suppose you have 34 bread slices and 24 cheese slices. how many cheese sandwiches can you make

Brums [2.3K]

17 if you maintain the ratio of 2:1 for bread and cheese, but you would get a remainder of 7 cheese slices. You could, however, cut up the extra pieces of cheese and add ~0.41 slices of cheese to each sandwich, which would melt into the rest of the cheese if you are grilling the sandwich. Otherwise, it's just an extra chunck, which is perfectly fine.

4 0

3 years ago