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Mila [183]
2 years ago
7

a jewerly shop shop sells 240 necklaces in a month. 180 of the necklaces were sold via the shops, website, the rest were sold in

a high street shop. work out the ratio of online sales. give your answer in its simplest form
Mathematics
1 answer:
Hunter-Best [27]2 years ago
7 0

Answer:

<h3>The workout ratio of the online sales to shop sales is 1:3.</h3>
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A food scientist takes a random sample of 25 cereals in order to test the claim that the mean fiber content is less than 2.5 gra
Jlenok [28]

Answer:

Choice A: there is insufficient evidence to conclude that the mean for the fiber content is less than 2.5 gms.

Step-by-step explanation:

From the graphs given the more appropriate is one sample t- test

One sample t- test is used and the results are

Hypothesis Test                       Fiber

Sample Mean                          2.62

Sample St. Dev                       3.492

Degrees of Freedom              24

t- test statistic                         0.1718

p- value                                    0.5675

the critical region for this test at ∝= 0.05 is t < -1.711

There is not enough evidence to reject the null hypothesis.

Since the calculated t=   0.1718 does not fall in the critical region the null hypothesis is accepted that the mean fiber content is not  less than 2.5 grams.T

6 0
3 years ago
What is the answer?????
Gnesinka [82]

Answer:

Step-by-step explanation:

m+2/2 = 1/2

m=0.5

so

2m+4=5 is the correct answer

3 0
2 years ago
Help please! If you help I will give brainliest! Do BOTH of the images.
belka [17]

Answer:

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Step-by-step explanation:

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They've both got the same amount of squares so they're the same in perimeter

6 0
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The graph of a quadratic function contains the points
masya89 [10]

Answer:

Shawn is correct.

Step-by-step explanation:

Let the quadratic function is g(x) = a(x - h)² + k

Here (h, k) is the vertex of the parabola.

Since this parabola passes through (0, 0), (1, 9) and (-1, 9), axis of symmetry is x = 0 and the vertex is (0, 0).

Therefore, equation of the parabola will be,

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g(x) = ax²

for a point (1, 9) which lies on the graph,

9 = a(1)²

a = 9

g(x) = 9x² (here a > 1)

Therefore, f(x) is vertically stretched by a factor of 9 to form g(x).

Shawn is correct.

3 0
3 years ago
Information that is expressed using numbers:
vladimir2022 [97]
Information is either qualitative or quantitative

Qualitative
data is described with words
Quantitative data is described with numbers

Quantitative Information is expressed using numbers
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3 years ago
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