4.7 = x - 3.7
add 3.7 to both sides
4.7 + 3.7 = x
x = 7.4
Answer: 7x^2-8x+10
Step-by-step explanation: hope this helps gl :)
thx for the points
Answer:
Step-by-step explanation:
1/2n - 5 = 21
1/2n = 21+5
1/2n = 26
n = 26 x 2
n = 52
Answer:
x = √76
Step-by-step explanation:
in upper triangle :
7² - 3² =40 so the third side of the upper triangle is : √40
in the biggest triangle :
(3+3)² + 40 = 76 so the another side of the biggest triangle is : √76
