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1 year ago

I need help with some tutorverse questions, thanks!

Mathematics

2 answers:

Aloiza [94]1 year ago

8 0

Answer:

11. c

12. c

Step-by-step explanation:

11. Since Angle RST = 60 degrees, Angle RTS = 60 degrees.

Triangle STU is a right triangle, so Angle STU and Angle SUT are both 45 degrees.

Angle RTS + Angle STU + Angle UTQ = 180 degrees

60 + 45 + Angle UTQ = 180

Angle UTQ = 180 - 105

= 75 degrees

12. Using the corresponding angles theorem, x = 45 degrees and y = 35 degrees.

x + y

45 + 35

Fynjy0 [20]1 year ago

5 0

Answer: I am not sure of question 11 but question 12 is C

Step-by-step explanation:

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A store purchased a DVD for 12.00 and sold it to a costumer for 50 percent more than the purchase price. The costumer was charge

likoan [24]

Answer:

19.26

Step-by-step explanation:

price sold for= 12×150%

= 18

total cost = 18 × 107%

= 19.26

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2 years ago

2) Line segment MK has endpoints at (2, 3) and (5, ?4). Segment M'K' is the reflection of MK over the y-axis. Which statement de

Marianna [84]

Answer:

Option C -M'K' is the same length as MK

Step-by-step explanation:

Given : Line segment MK has endpoints at (2, 3) and (5,4)

M'K' is the reflection of MK over the y-axis

By definition of reflection: reflection of point (x,y) across the the y-axis is the point (-x,y)

which implies M'K' has end points (-2,3) and (-5,4)

Now, we find the length of MK

let $(x_1,y_1)=(2,3)\\\\(x_2,y_2)=(5,4)$

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

⇒ $d=\sqrt{(2-5)^2+(4-3)^2}$

⇒ $d=\sqrt{9+1}$

⇒ $d=\sqrt{10}$ ....(1)

Now, we find the length of M'K'

let $(x_1^{'},y_1^{'})=(-2,3)\\\\(x_2^{'},y_2^{'})=(-5,4)$

$d^{'}=\sqrt{(x_2^{'}-x_1^{'})^2+(y_2^{'}-y_1^{'})^2}$

⇒ $d^{'}=\sqrt{(-2+5)^2+(3-4)^2}$

⇒ $d^{'}=\sqrt{9+1}$

⇒ $d^{'}=\sqrt{10}$ .....(2)

from (1) and (2) we simply show that the length of MK and M'K' is equal

we can also refer the figure attached for reflection of MK and M'K'

therefore, Option C is correct

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3 years ago

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Solve the equation for the variable r/4=18

poizon [28]

Answer:

r = 72

Step-by-step explanation:

Given that:

r/4=18

Multiplying both sides by 4

r = 18*4

r = 72

I hope it will help you!

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2 years ago

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Lelechka [254]

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3 years ago

There are 3 cups of blue paint and 2 cups of red paint. Whats the ratio?

steposvetlana [31]

Answer:

3:2

Step-by-step explanation:

can also be written as 3/2 as a fraction!

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2 years ago

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