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marishachu [46]
2 years ago
11

I WILL GIVE 20 POINTS TO THOSE WHO ANSWER THIS QUESTION RIGHT NOOOO SCAMS AND EXPLAIN WHY THAT IS THE ANSWER

Mathematics
2 answers:
sergejj [24]2 years ago
6 0

Answer:

x=19, y=19\sqrt{3}

Step-by-step explanation:

This triangle is a 30-60-90 triangle.

This means the hypotenuse (38) is double the short leg (x)

x=19

Then use the pythagorean theorem

a^2+b^2=c^2

19^2+y^2=38^2

361+y^2=1444

Subtract 361 from both sides

y^2=1083

put it in square roots and simplify

\sqrt{1083}  =19\sqrt{3}

y=19\sqrt{3}

Pepsi [2]2 years ago
5 0

<u>To solve this problem</u>:

  ⇒ need to use a special right triangle theorem:

<u>Let's consider the information given</u>:

   ⇒ one angle is <u>30 degrees</u>

      ⇒ one angle marked with a little square signifies that it is <u>90 </u>

          <u>degrees</u>

          ⇒ (all the angles added up are 180 degrees) so the last angle is                  

               <u>60 degrees</u>

<u>Therefore we have a '30-60-90' triangle which states</u>:

  • the side opposite the 30-degree angle

           ⇒ half the length of the hypotenuse (longest side of the triangle)

              ⇒ x = 38/2 = 19

  • the side adjacent to the 30-degree angle

          ⇒ is the square root of 3 divided by 2 of the hypotenuse

              ⇒ y = \frac{\sqrt{3} }{2} *38=19\sqrt{3}

<u>Therefore</u>:

    <u>x = 19</u>

    <u>y = </u>19\sqrt{3}

Hope that helps!

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10 points
Tems11 [23]
The answer should be 37
6 0
3 years ago
A rectangular room is 1.5 times as long as it is wide, and its perimeter is 25 meters. Find the dimensions of the room.meters.Th
AlladinOne [14]

Answer:

The length is 7.50metres and the width is 5metres

Explanation:

Given the following

Length = 1.5Width

Perimeter = 25m

Required

Dimension of the room

Perimeter of the rectangular room = 2(L+W)

Since L = 1.5W

P = 2(1.5W+W)

P = 2(2.5W)

P = 5.0W

25 = 5W

W = 25/5

W = 5metres

Since L = 1.5W

L = 1.5*5

L = 7.5meters

The length is 7.50metres and the width is 5metres

3 0
1 year ago
BRAINLIEST ASAP! PLEASE HELP ME :)
Jet001 [13]

Answer:

Step-by-step explanation:

Circum center of a right isosceles triangle is located on the midpoint of the hypotenuse.

Circumcenter of a triangle is point where  the perpendicular bisectors of the sides of triangles intersect. Keeping this as a center, you can draw a circle & all the three vertices of the triangle lies on the circumference of the circle. Circumcenter is equal distance from the vertices of the triangle.

For acute triangle, circumcencenter will be inside the triangle.

For obtuse triangle, circumcenter will be outised the triangle.

7 0
3 years ago
Read 2 more answers
Ferris started to bike the 4 1/3 miles to school. After 3/5 mile, he stoppedto talk to a friend. How mush farther did he have to
Margarita [4]

Answer:

3 11/15 miles

Step-by-step explanation:

4 1/3 - 3/5

4 5/15 - 9/15

3 20/15 - 9/15

3 11/15 miles

5 0
3 years ago
What are the intercepts of the equation 4x-6y-5z=60
Annette [7]
To find the intercept of a variable in a equation with more than one variable, you need to equal the others variables to zero.

-> 4x -6y -5z = 60

-> X-Intercept:
To find the X intercept, equal the Y and Z values to 0.
(Y = 0; Z = 0)

4x -6(0) -5(0) = 60
4x = 60
x = 60/4
x = 15

-> Y-Intercept:
To the Y intercept it's the same thing, equal the another variable values to 0.
(X = 0; Z = 0)

4(0) -6y -5(0) = 60
-6y = 60
-y = 60/6
-y = 10        x(-1)
y = -10

-> Z-Intercept:
(X = 0; Y = 0)

4(0) -6(0) -5z = 60
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-z = 60/5
-z = 12         x(-1)
z = -12

Answer: The intercepts for this equation (15,-10,-12).
Or: x = 15, y = -10, z = -12.
6 0
4 years ago
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