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Nutka1998 [239]
2 years ago
8

Tea Off served a total of 8,080 cups of chamomile tea to its customers last year. This year, the number of served was 35% lower.

How many cups of chamomile tea did the cafe serve this year?
Mathematics
1 answer:
dimulka [17.4K]2 years ago
4 0
8080(0.65)=525.2 cups
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15/2g-7=3/5 what is g
7nadin3 [17]

\frac{15}{2} g - 7 =  \frac{3}{5} \\  \\  \\ 1. \:  \frac{15g}{2}  - 7 =  \frac{3}{5}   \\ 2. \:  \frac{15g}{2}  =  \frac{3}{5} + 7 \\ 3. \:  \frac{15g}{2}   =  \frac{38}{5}  \\ 4. \: 15g =  \frac{38}{5}  \times 2 \\ 5. \: 15g =  \frac{76}{5}  \\ 6. \: g =  \frac{ \frac{76}{5} }{15}  \\ 7. \: g =  \frac{76}{5 \times 15}  \\ 8. \: g =  \frac{76}{75}

4 0
3 years ago
A student working on a summer internship in the economic research department of a large corporation studied the relation between
OverLord2011 [107]

Answer:

Step-by-step explanation:

Hello!

Y: sales of a product in a marketing district (million dollars)

X: population in a marketing district (million persons)

The objective is to test if there is a linear association between the sales of a product and the population of a marketing district.

Parameter; Estimated Value; 95 Percent Confidence limits

Intercept          7.43119                -1.18518        16.0476

Slope             0.755048            0.452886       1.05721

a.

To test if there is or not an association between these two variables, you have to do a hypothesis test for the slope. If the slope is equal to zero, there is no linear association between the two variables, if the slope is different from zero, then there is a linear association between the variables.

So the student's hypotheses are:

H₀: β = 0

H₁: β ≠ 0

The data the student used to conclude is the 95%CI for the slope [0.452886;1.05721]

To be able to decide over an hypothesis test using a confidence interval there are several conditions to be met, one of them is that the confidence level and the significance level should be complementary, this means that if the interval was constructed using 1 - α= 0.95, then the hypothesis test should be conducted with a significance level of α= 0.05.

Considering that the value of the slope stated in the null hypothesis is not included in the given interval, i.e. zero is not included in the CI, then the decision is to reject the null hypothesis.

Then it can be concluded that there is a linear association between the sales of a product and the population in a marketing district.

b.

Although in the context of the variables of study it makes no sense that the estimate of the intercept takes negative numbers, keep in mind that mathematically if possible and correct. This means that obtaining a negative estimate of the intercept does not represent a calculation error or problem for the regression model. In general, when this occurs, a footnote is made indicating has no biological meaning or sense in context.

After all, what you have done with the estimate is a mathematical assertion of the social variables.

I hope it helps!

3 0
3 years ago
2. Three points of a parallelogram are (4, 3), (-4, 3), and (2, 3). Find the coordinates of the 4th point to complete the parall
antiseptic1488 [7]

Parallelograms have equal and parallel opposite sides

<em>The coordinates of the 4th point is (-2,3)</em>

Let the parallelogram be ABCD, such that:

A = (4,3)

B =(-4,3)

C = (2,3)

A and B have the same y-coordinates, while their x-coordinates are additive inverse

This means that:

The y-coordinates of point C and point D will be the same, while their x-coordinates will be additive inverse.

<u>For point C</u>

We have:

x = 2

y = 3

<u>For point D</u>

The coordinates would be:

x =- 2

y = 3

Hence, the coordinates of D is (-2,3)

Read more about parallelograms at:

brainly.com/question/9680084

7 0
2 years ago
A rectangular field is two times as long as it is wide. If the perimeter of the field is 600ft, what are the dimensions of the f
xxMikexx [17]

Answer:Should be 200 ft, 100 ft, 200 ft, and 100 ft

Step-by-step explanation:

6 0
3 years ago
Which quadrant would (0,-7) , (0,0) , (8,0)
Lostsunrise [7]
They are not IN a quadrant, but they all border the second quadrant.
8 0
3 years ago
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