Answer:
2%
Step-by-step explanation:
28/140=0.2
Answer:
X = 7.2
Step-by-step explanation:
Hello
For the triangle of right side, using Pytagoras:
(2.5)^2 + b^2 = 6^2
6.25 + b^2 = 36
b^2 = 36 - 6.25
b^2 = 29.75
b = 5.45
Now we can to find X using again Pytagoras:
3^2 + (5.45)^2 = x^2
9 + 29.75 = x^2
38.75 = x^2
X = 7.2
Best regards
Answer:
x = 8,
Step-by-step explanation:
.
for it is a denominator. Multiply both sides with the product of the two denominators:
:
.
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Multiply both sides by one over the coefficient of x:
.
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The answer is the last option: The associative property of multiplication