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frez [133]
3 years ago
11

Find the value of the variable in the triangle below. Round decimal answers to the nearest tenth.

Mathematics
1 answer:
Alik [6]3 years ago
6 0

Answer:

x = 7.5  

Step-by-step explanation:

This is a right angle triangle so the Pythagorean rule applies

The hypotenuse is opposite the right angle and it is also the longest side

Now, apply the Pythagorean rule

15^2 = 13^2 + x^2

225 = 169 + x^2

225 - 169 = x^2

56 = x^2

Take the square root of both sides

7.48 = x

x = 7.5        .........to the nearest tenth

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5. Simplify: 56 = 7 - 3 [4 + {8 - 4 ( 4 + 5 - 3 )}]​
shutvik [7]

Answer:

36

Step-by-step explanation:

56=7-3[4+{8-4(4+5-3)}]

56=7-3[4+{4(4+5-3)}]

56=7-3[4+{16+20-12)}]

56=7-3[4+24]

56=4[28]

56=92

56-56=92-56

36

3 0
2 years ago
The teacher said that both equations were correct. Explain why?
anyanavicka [17]
Because they are the same equation, just rewritten in a different way.

s = 4p

divide both sides by 4 to get the other equation:
(1/4)s = p


5 0
2 years ago
May you please help me figure out every angle?​
djyliett [7]

Answer:

<D = 82°

<E = 49°

<F = 49°

Step-by-step explanation:

This is an isosceles triangle because two of the sides are the same length which means the 2 bottom angles are the exact same which means we can set them equal to each other to solve for it.

8 0
2 years ago
The area of a right triangle with one leg measuring 5 ft. and hypotenuse measuring 13 ft. is_______ a0. Type a numerical answer
Snowcat [4.5K]

Area of the triangle = (1/2)*base*height

For right triangle base and height can be legs.

We have one leg = 5 ft. (Lets think it is a base.)


We need to find the other leg.

We are going to use Pythagorean theorem.

5² + b²=13²

b²=144

b=12 (It is going to be our height.)


Area of the triangle = (1/2)*5*12= 30 ft²

Area of the triangle = 30 ft²


5 0
3 years ago
2)) There are 32 1/5 calories in<br> a candy bar. How many calories<br> are there in 33 candy bars?
CaHeK987 [17]
If 1 candy bar is 32 1/5 then you would multiply 32 1/5 x 33 =1062.6
≈ 1063 calories
6 0
2 years ago
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