Darwin’s age is 6 years greater than twice Fiona’s age.

1 answer:

7 0

Hi there.

I converted this problem into an algebraic equation & searched it up. Here's the equation:

6 + 2x = 50

I've come to find that x = 22.

Fiona is 22 years old. You can take my word for it or use the equation :)

Hope this helps!!

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Solve for x: |2x + 12| = 18

erastova [34]

|2x + 12| = 18

First, break down the problem into 2 equations . / 2x + 12 = 18 and -(2x + 12) = 18
Second, solve the first equation. / $2x + 12 = 18$
Subtract 12 from both sides. / $2x = 18 - 12$
Subtract 18 - 16. / $2x = 6$
Divide both sides by 2. / $x = \frac{6}{2}$
Simplify. / $x = 3$
Third, solve the second equation. / -(2x + 12) = 18
Simplify your brackets. / $-2x - 12 = 18$
Add 12 to both sides. / $-2x = 18 + 12$
Add 18 + 12. / $-2x = 30$
Divide both sides by -2. / $x = \frac{30}{-2}$
Simplify. / $x = -\frac{30}{2}$
Simplify. / $x = -15$
Fourth, collect the solutions. / $x = -15,3$

Answer: x = -15, 3

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3 years ago

5-7+6+(-3)-1-(-8) simplify

Airida [17]

Your answer would be 5−7+6−3−1−(−8) = 8

6 0

4 years ago

Which is greater 1/2 or 47%

amm1812

1/2 = 50%

50% is greater than 47%

3 0

4 years ago

Read 2 more answers

angle 1 and angle 2 form a linear pair. If measure angle 1 =18x-1 and measure angle 2=23x+17, find measure angle 2.

finlep [7]

Hey there!
Here's your answer: m<2=114.52 degrees
Here's how I got it: we know that a linear pair of angles is supplementary, aka the sum of the angles is 180 degrees.
you would add 18x-1 and 23x+7 together to equal 180 and solve for x.
then, you would substitute x for 4.24 (rounded) into 23x+17
23(4.24)+17=114.52
Hope this helps!

6 0

3 years ago

I need help, how do I find x

Burka [1]

The triangle height is calculated by Pythagorean Theorem
height^2 = 15^2 - 9^^2
height^2 = 225 - 81
height^2 = 144
height = 12

We can calculate the value of Angle a
cosine (a) = adj / hyp = 9/15 = .6
arc cosine (a) = 53.13 degrees
angle b = 180 -90 -53.13
angle b = 36.87 degrees
tangent b = height / x
tangent 36.87 = 12 / x
x = 12 / .75
x = 16

Yes, it's just that "simple" LOL

8 0

3 years ago