Answer:
x=-2.5
Step-by-step explanation:
4x+(7-3)5=10
4x+(4)5=10
4x+20=10
subtract 20 from each side
4x=-10
divide each side by 4
x=-2.5
Answer:
14.13 ft²
Step-by-step explanation:
The area of a semicircle is
We were given the radius of the semicircle to be: r=3 feet.
We were also asked to use π as 3.14.
We substitute into the formula to get:
This is the same as:
Or
The area of the semicircle is 14.13 ft²
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1. x/9+10=11 (x=89)
2. 3x-5=-2 (x=1)
3. 2x+15=-23 (x=19)
4. 5x-4=16 (x=4)
5. -8x+9=-7 (x=2)
6. 10x-12=-28 (x=1.6)
7. 3x+7=52 (x=15)
8. 5x-11=19 (x=6)
9. 4x+13=-91 (x=-26)
10. 2x-7=43 (x=-19)