Step-by-step explanation:
Percent error = |actual − theoretical| / actual × 100%
|42 − 30| / 42 × 100% = 28.6%
Answer:
x<7
Step-by-step explanation:
See image below:)
No, because only a minority of the students answered it.
Answer:
Hey!
Let's simplify it...
The rule that we used was the "power of a quotient". It states that if you want to raise a power to a power, you just need to multiply the exponents. A variable or a number that apparently doesn't have an exponent automatically gets 1 as its exponent.
Thanks!
Step-by-step explanation:
Answer:
x ≈ 6.6 cm
Step-by-step explanation:
The Pythagorean theorem applies. The sum of the squares of the legs of this right triangle equals the square of the hypotenuse:
x^2 + 13.5^2 = (x+8.45)^2
x^2 +182.25 = x^2 +16.9x +71.4025
110.8475 = 16.9x . . . . . subtract x^2 +71.4025
6.559024 = x . . . . . . . .divide by 16.9
The value of x is about 6.6 cm.
