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3 years ago

What is the inequality using X Solve the inequality

Mathematics

2 answers:

vivado [14]3 years ago

8 0

The inequality should be 4x + 6 > 30
4 times x is 4x, and if anything is greater then smth, you should use > if that number is on the left.
to solve, just do what u would do in algebra, except charging the = into >
4x + 6 > 30
4x > 30 - 6
x > 24/4
x > 6

tatuchka [14]3 years ago

7 0

Answer: <span> x > 6</span> .
_________________________
Explanation:
_________________________

4x + 6 <span> > 30 ; Solve for "x" ;
_________________________

Subtract "6" from both sides of the inequality:
____________________________________
4x + 6 </span>− 6 > 30 − 6 ; to get:
____________________________________
4x > 24 ;
____________________________________
Divide EACH SIDE of the inequality by "4" ; to isolate "x" on one side of the inequality; and to solve the inequality (for "x") ;
__________________________________
4x / 4 > 24 / 4 ; to get:
__________________________________
x > 6 .
__________________________________

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I need help i dont understand this

Ad libitum [116K]

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3 years ago

Question 1

Alexxx [7]

Answer:

Water needed for pool = 486 cubic feet

Plastic liner required for the pool = 298.3 feet

Step-by-step explanation:

Top view of the pool is a composite figure, having one rectangle and a trapezoid.

1). Water needed for the pool = volume of the pool

Volume of the pool = Area of the base × Depth

= (Area of the rectangle + Area of the trapezoid)× depth

Area of the trapezoid = $\frac{1}{2}(b_{1}+b_{2})\times h$

= $\frac{1}{2}(11+9)\times (12-1.5)$

= 105 ft²

Area of the rectangle = Length × width

= 11 × 1.5

= 16.5 ft²

Now, volume of the pool = (105 + 16.5) × 4

= 121.5 × 4

= 486 cubic feet

b). Liner required = surface area of the pool excluding top

= Surface area of the walls + Area of the pool base

= (Perimeter of the pool) × depth + area of the base

= (12 + 11 + 1.5 + 10.7 + 9)×4 + 121.5

= 176.8 + 121.5

= 298.3 square feet

Therefore, amount of water required = 486 cubic feet

liner needed = 298.3 square feet

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3 years ago

simplify negative 3 and 1 over 9 − negative 8 and 1 over 3. negative 11 and 1 over 12 negative 5 and 2 over 9 5 and 2 over 9 11

garri49 [273]

-3 1/9 - (-8 1/3) = -3 1/9 + 8 1/3 = 5 2/9

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3 years ago

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Evgesh-ka [11]

Answer:

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3 years ago

On May 14, 1898, a severe hailstorm hit Kansas City. The largest hailstones were 9.5 inches in circumference. Find the radius of

tigry1 [53]

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3 years ago