F (x) = 5x-10 determine x when f (x) = 15
2 answers:
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For this case we can define the following variable:
x: unknown number
We write the equation that models the problem:
From here, we clear the value of x.
We have then:
Answer:
Completing the sentence we have:
0.04 is 1/10 of 0.40
Answer:
4 units
Step-by-step explanation:
The area (A) of a trapezoid is calculated using the formula
A = h(a + b)
where h is the height and a, b the bases
here A = 46, a = 6 and b = 17, hence
46 = h(6 + 17) ( multiply both sides by 2 )
92 = h(23) ← divide both sides by 23 )
h = = 4 units