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3 years ago

Compare the original figure to the enlarged figure.

Mathematics

2 answers:

astra-53 [7]3 years ago

8 0

Answer:

All the options are correct apart from the last one

Step-by-step explanation:

Scale factor is the ratio of corresponding sides

Scale factor = 6.5 / 3.25

Yes

Scale factor = 3.25 / 6.5

Yes

Scale factor = 3 / 1.5

Yes

Scale factor = 1.5 /3

Yes

Scale factor = 1.5 / 3.25

No, as it is the ratio of sides of the same rectangle

11Alexandr11 [23.1K]3 years ago

4 0

Answer:Which ratios can be used to find the scale factor? Check all that apply.

yes!!!Scale factor = StartFraction enlarged over original EndFraction = StartFraction 6.5 over 3.25 EndFraction

NO!!Scale factor = StartFraction enlarged over original EndFraction = StartFraction 3.25 over 6.5 EndFraction

Yes!!!Scale factor = StartFraction enlarged over original EndFraction = StartFraction 3 over 1.5 EndFraction

Scale factor = StartFraction enlarged over original EndFraction = StartFraction 1.5 over 3 EndFraction

Scale factor = StartFraction enlarged over original EndFraction = StartFraction 1.5 over 3.25 EndFraction

Step-by-step explanation:

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In an effort to determine whether any correlation exists between the price of stocks of airlines, an analyst sampled six days of

vovikov84 [41]

Answer:

Check the explanation

Step-by-step explanation:

Following table shows the calculations:

Delta, X Southwest , Y X^2 Y^2 XY

45.96 38.76 2112.3216 1502.3376 1781.4096

46.8 45.41 2190.24 2062.0681 2125.188

47.93 15.7 2297.2849 246.49 752.501

51.78 49.58 2681.1684 2458.1764 2567.2524

52.17 44.34 2721.7089 1966.0356 2313.2178

47.36 18 2242.9696 324 852.48

Total 292 211.79 14245.6934 8559.1077 10392.0488

Sample size: n =6

Now

$S_{yy}=\sum y^{2}-\frac{\left (\sum y \right )^{2}}{n}=1083.27$

$S_{xx}=\sum x^{2}-\frac{\left (\sum x \right )^{2}}{n}=35.03$

$S_{xy}=\sum xy-\frac{\left (\sum x \right )\left (\sum y \right )}{n}=84.94$

The coefficient of correlation is :

$r=\frac{S_{xy}}{\sqrt{S_{xx}S_{yy}}}=0.436$

7 0

3 years ago

What is the value of x? x−16=8 in simplest form.

Minchanka [31]

x = 24

24 - 16 = 8

Hope this helps

5 0

3 years ago

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Please help me, this is for my math test.

satela [25.4K]

Answer:

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7 0

2 years ago

Read 2 more answers

How do I find the value of x?

svetoff [14.1K]

Answer:

x = 2

Step-by-step explanation:

If ΔABC~ΔAED then:

$\dfrac{AC}{AD}=\dfrac{BC}{ED}\\\\\\\dfrac{x+4}{4}=\dfrac{3}{2}\\\\\dfrac{x+4}{4}=\dfrac64\\\\x+4=6\\\\x=2$

4 0

2 years ago

PLZ HELP ASAP!!!!!!!

Alexxx [7]

Answer:

angle 1 and angle 2 are supplementary angles

Step-by-step explanation:

When the base of the angles forms a straight line, the sum of the angles is 180°. That's the definition of supplementary angles.

Complementary angles form a right angle. The sum of complementary angles is 90°

A slightly silly way to remember Complementary angles: The two angles look at each other and compliment each other saying, "You look all right to me!"

"Yes, we are so right together!"

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6 0

3 years ago