Angle QPS is supplementary to angle psr. Also QPS=(2x+12) and PSR is x. Find the value of x. Can you help

Answers

Answer 1

Answer:
What does 'supplementary' mean ?
It means the two angles add up to 180 degrees.
So ...
      (2x + 12) + (x) = 180

Eliminate parentheses:    2x + 12   +   x   = 180

Add up the 'x' terms: 3x + 12    = 180

Subtract 12 from each side: 3x        = 168

Divide each side by 3 :    x        = 56 degrees

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Riley adds 45.3 and 3.21 should his sum be greater than or less than 48 tell how you know

Answers

His sum should be more than 48.

I know because if you throw away the decimal pieces
and just add up the whole numbers 45 and 3 ,
right there you would have 48 . So when you include
the decimal pieces, they'll make it even bigger.

From it saying Riley ADDS you know its subtracting, so add 45.3 and 3.21 together.
Which is 48.51, so it is greater then 48.

A cylinder has a base with a radius of 5 cm and a height of 15 cm. What is the volume of the cylinder? (Use π = 3.14.) A.
235.5 cm3

B.
471 cm3

C.
1177.5 cm3

D.
4710 cm3

Answers

im all most postive it is b 471cm but im not sure i hope this helps

Find the constant of variation for the relationship shown in the following table:x 1 2 3 4
y 5 10 15 20

A.1

B.2

C.3

D.5

Answers

The answer is B
because if you cross multiply 1/5 with 2/10 you get 2

Please, help me with this question. It is due soon. Also have a great evening! And remember if you don’t know the answer or don’t understand it and just want points don’t even bother to write a “ANSWER” down because it is irritating and annoying and it lastly wastes my time and has no help towards me!!!!

Answers

Answer:

Step-by-step explanation:

The point that represents the data in the fourth column has the coordinates: (13, 9)

How many points would be shown on a scatter plot of these data?: 5

13,9 is the answer ok I hope this helps

E. A semicircular window with a radius of36 inches allows light through an area of how

many square feet? You may use a calculator

if one is available. Round your answer to the

nearest square foot.

Answers

Answer:

14 sq. ft $(14 ft^(2))$

Step-by-step explanation:

First, we know that the area of a circle is $\n A_(circle) =\pi * r^(2)$ , where r is the radius of the circle, and $\pi$ is the ratio of the length of a circle's circumference to its diameter, that is, $\pi$ =3.1415926535 ... . But we have here a semicircle.

So, the area of a semicircle is $\n A_(semicircle) = (1)/(2) (\pi * r^(2))$ .

We also know that 1 feet = 12 inches, so 36 inches are:

$\n (1ft)/(12inches) * 36 inches = 3 ft$

Then, the area of the semicircular window is:

$\n A_(semicircular-window) = (1)/(2) (\pi * 3^(2))$ ≈ 14.1372.

Well, rounding the answer to the nearest square foot, we have that the semicircular window allows light through an area of 14 sq. ft $(14 ft^(2))$ .

If Tim and Terry started to run in opposite directions with the speeds of 90 feet per minute and 11 feet per minute respectively, how far away from each other will they be in 18 minutes?

Answers

90x18=1620
11x18=198
1620+198=1818

After 18 minutes Tim and Terry will be 1818 feet away from each other.

Answer:

1818

Step-by-step explanation:

Its correct

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Multiply the binomials (3x - 5) and (4x + 6).

Witch is bigger -5 or -55

3n+8=23 answer and the work to show the answer please

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