Answer:
x-4
Step-by-step explanation:
If x>4, |x-4|>0 which means |x-4|=x-4
Answer:
20. 13 cm
21. 12 cm
Step-by-step explanation:
20. isosceles means two sides are the same length, so you take the ten off the perimeter to get 26 remaining cm (36 -10) and you then divide that by two to get both sides of 13 cm (26 / 2)
21. because you know that if you split the triangle down the middle you get a right triangle and you can use a^2+b^2=c^2 to find the height, so we take the one side of 13 cm and half of the third side, which is 5, and you can find your answer (a^2 + 5^2 = 13^2 ---> a^2 + 25 = 169 ---> a^2 = 144 ---> a = 12)
<em> 4 1</em>
<em>u + -- = 2 ---</em>
<em> 5 3</em>
<em> 1 2 * 3 + 1 7</em>
<em>2 ---- = ---------------- = ------</em>
<em> 3 3 3</em>
<em>Now we have to do</em>
<em> 4 7</em>
<em>u + -- = ---</em>
<em> 5 3</em>
<em> 7 4 7 * 5 - 4 * 3</em>
<em>u = ------- - ----- = ------------------------ </em>
<em> 3 5 3 * 5</em>
<em> 35 - 12 23</em>
<em>u = ------------------ = ------</em>
<em> 15 15</em>
Answer:
<h2>
351.88 m</h2>
Step-by-step explanation:
Given,
D = diameter of semicircular part = 42 m
L = Length of straight part = 110 m
Now, let's find the perimeter:
= 2 ( length of semi-circle + length of straight part )
Plug the values
Calculate the product
Divide
Calculate the sum
Calculate
Hope this helps..
Best regards!!
