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777dan777 [17]
3 years ago
8

Someone help me fast please

Mathematics
1 answer:
lions [1.4K]3 years ago
4 0

Answer:

86

Step-by-step explanation:

<u>Perimeter of WXY = WSY+WRX+XY</u>

<em>--> WSY = SY x 2</em>

--> WSY = 16 x 2 = 32

<em>Since it is an isosceles triangle, WRX = WSY</em>

--> WRX = 32

<em>--> Draw a straight line from W to XY to divide it into two halves assuming it to be point A. This would form a right angle triangle of WAX.</em>

<em>--> Solve it using the cos theta rule</em>

--> Angle = Angle X = 70°

    Hypotenuse = WRX = 32

    Adjacent = WA = ?

<em>--> Cos (Angle) = Adjacent/Hypotenuse</em>

    Cos (70) = WA/32

    WA = 10.9 rounded off to 11

--> WA=AY= 11

--> XY = WA + AY = 11+11 = 22

<em>--> Perimeter = WSY+WRX+XY</em>

    Perimeter = 32+32+22

    Perimeter = 86

Therefore, the perimeter of WXY is 86.

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Answer:

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Step-by-step explanation:

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25 - 15 = 10 yards

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All this can be seen in the figure below:

6 0
3 years ago
What is 16.83231 rounded to the nearest hundredths place?
posledela
In the number 16.83231, the bolded number is in the hundredths place.

Look to the number to the right of it (the thousands place value).

it is a 2, which is less than 5. Because of this, round down.


16.83 is your answer

hope this helps
4 0
4 years ago
A quadrilateral is graphed in the coordinate plane below. Which classification best describes the quadrilateral (parallelogram,
LenaWriter [7]

9514 1404 393

Answer:

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Step-by-step explanation:

One pair of sides is parallel, so the figure is a trapezoid.

__

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6 0
3 years ago
1. A door of a lecture hall is in a parabolic shape. The door is 56 inches across at the bottom of the door and parallel to the
My name is Ann [436]

Answer:

See below in bold.

Step-by-step explanation:

We can write the equation as

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y has coordinates (0, 32) at the top of the parabola so

32 = a(0 - 28)(0 + 28)

32 = a * (-28*28)

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a = 32 / -784

a = -0.04082

So the equation is y = -0.04082(x - 28)(x + 28)

y = -0.04082x^2 + 32

The second part  is found by first finding the value of x corresponding to  y = 22

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x = 15.7 inches.

This is the distance from the centre of the door:

The distance from the edge = 28 - 15.7

= 12,3 inches.

7 0
4 years ago
What would be the interest rate p.a to invest $2000 compounding half_yearly for 4 years to earn $5000?​
nikklg [1K]

Answer:

24,27% interest rate.

Step-by-step explanation:

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4 years ago
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