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3 years ago

Question 4 Which is a TRUE statement about the transformation shown?

Mathematics

1 answer:

ioda3 years ago

6 0

Answer:

reflection

Step-by-step explanation:

the second picture is the same distance away form the y axis as the first picture

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Amélie runs a bakery. She wants to find out whether her cake sales are affected by the weather conditions. She recorded the dail

SVETLANKA909090 [29]

Answer:

Step-by-step explanation:

Daily temp(in F) Cakes sold

42 39

45 52

48 31

54 61

59 72

62 35

64 61

65 34

67 58

75 45

84 24

To find whether there is an association between these two let us find the correlation coefficient between these two variables.

r=-0.1975

Since |r|<0.5, correlation is weak.

Let us test the hypothesis r =0

H0:r=0

Ha:r not equals 0

Test statistic = $\frac{r\sqrt{n-2} }{\sqrt{1-r^2} } \\=\frac{-0.1975\sqrt{11-2} }{\sqrt{1-0.1975^2} }\\=\frac{-0.5625}{{0.9803} } \\=-0.5738$

p =0.298

Since p value >0.10, at 90% significance level we accept that there is no association.

6 0

3 years ago

Jason worked 20 hours at $5 per hour and 30 hours at $6 per hour. What was his average hourly wage Please show all your work

11111nata11111 [884]

Jason worked 20 hours at $5 per hour and 30 hours at $6 per hour.

20 hours at $5 per hour = 20 times 5

$20 \times 5 = \$100$

30 hours at $6 per hour = 30 times 6

$30 \times 6 = 180$

$180 + 100 = 280$

He earned $280 in 50 hours. Divide:

$280 \div 50 = 5.6 \rightarrow 5.60$

Your answer is the last choice, $5.60

8 0

4 years ago

Molly read 50 out of the 200 pages in her fiction book. Joel is also reading a fiction book, but his book has 280 pages in total

katrin [286]

Answer:

$x = 70$

Step-by-step explanation:

Given

Molly: 50 out of 200

Joel: x out of 280

Required

Find x

Start by representing the giving parameters as ration

Molly= 50 : 200

Joel = x : 280

From the question, the ratios are equivalent. So,

$50 : 200 = x : 280$

Convert to fractions

$\frac{50}{200} = \frac{x}{280}$

Solve for x

$x = \frac{50}{200} * 280$

$x = \frac{1}{4} * 280$

$x = \frac{280}{4}$

$x = 70$

5 0

3 years ago

CAN ANYBODY FIGURE THIS OUT

eimsori [14]

Because you are told the two are similar, find the ratio of them.

Side AB = ft and side EF is 25 feet.

This means the larger rectangle is 5 times larger ( 25 /5 = 5).

Area is in square units, so square the ratio: 5^2 = 25

The area of the larger rectangle is 25 times the area of the smaller one.

Area = 35 x 25 = 875 ft^2

6 0

3 years ago

Plz help !! Me with it

astraxan [27]

Answer:

x=31

Step-by-step explanation:

4+ sqrt (x+5) = 10

Subtract 4 from each side

4 -4+ sqrt (x+5) = 10-4

sqrt(x+5) = 6

Square each side

(sqrt(x+5))^2 = 6^2

x+5 = 36

Subtract 5 from each side

x+5-5 = 36-5

x = 31

7 0

3 years ago

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