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svetlana [45]
3 years ago
10

What is the measurement of angle y?

Mathematics
1 answer:
dem82 [27]3 years ago
7 0

Answer:

Step-by-step explanation:

45 Degrees.

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Of the 800 participants in a marathon 220 are running to raise money for a cause. How many participants out of 100 are running f
nadezda [96]

Answer:

27.5 /100 are running for a cause

Step-by-step explanation:

We know that 220/800 are running for a cause

Divide the top and bottom by 8 to get the fraction out of 100

220 /8 =27.5

800/8 = 100

27.5 /100 are running for a cause

7 0
3 years ago
State whether the figure has rotational symmetry. If so, what is the angle of rotation? Round your answer to the nearest tenth o
Bezzdna [24]
This is an octagon, which has 8 sides.
the angle of rotation is 360/8 = 45°
4 0
3 years ago
Read 2 more answers
Find the surface area of this prism please (no links please)
horsena [70]

Answer:

192 ft^2

Step-by-step explanation:

to find the surface area of a shape, you must find the area of each side and add them together. the base of this shape is a rectangle with a length of 11ft and a height of 3ft; to calculate the area of a rectangle, you multiply the length by the height. 3*11 is 33, so the base of this prism has an area of 33ft^2. since this is a prism, we know that the side parallel to the base are the same shape, so they both have an area of 33ft^2. 33*2= 66. the two other large sides have a height of 4.5 and a length of 11; 4.5*11 is 49.5, there are two shapes with these dimensions, so 49.5*2=99. finally, the two shapes on either end of the prism have a height of 4.5 and a length of 3. 4.5*3= an area of 13.5, two of them, so 13.5*2=27. now you just add all of these numbers together: 66+99+27=192.

4 0
2 years ago
Solve the equation for the indicated variable. Please help ASAP!!!!! :(<br> A=(730x)/(d^2) for x
zvonat [6]

First let's get rid of the d^2 in the denominator of the fraction on the right side of the equation. This will help to get only x and a coefficient on one side of the equation:

A = \dfrac{730x}{d^2}

d^2A = 730x


Now, simply divide by 730 to find x:

d^2A = 730x

\boxed{\dfrac{d^2A}{730} = x}

3 0
3 years ago
What is the ratio of the number of sides of a quadrilateral to the number of sides of a pentagon?
IgorC [24]
4:5 because a quadrilateral has 4 sides and a pentagon has 5 sides
3 0
3 years ago
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