$-4(1-x)\leq-12+2x\qquad\text{use distributive property}\\\\(-4)(1)+(-4)(-x)\leq-12+2x\\\\-4+4x\leq-12+2x\qquad\text{add 4 to both sides}\\\\4x\leq-8+2x\qquad\text{subtract 2x from both sides}\\\\2x\leq-8\qquad\text{divide both sides by 2}\\\\x\leq-4$

<, > - open circle

≤, ≥ - closed circle

<, ≤ - draw the line to the left

>, ≥ - draw the line to the right

6 0

3 years ago

An isosceles triangle has two sides of equal length, a, and a base, b. The perimeter of the triangle is 15.7 inches, so the equa

ivolga24 [154]

2 a + b = 15.7
Since the sides are equal length, the equation is:
2 · 6.3 + b = 15.7
We can solve it:
12.6 + b = 15.7
b = 15.7 - 12.6
b = 3.1 cm

6 0

3 years ago

Read 2 more answers

A cylinder has a height of 13 millimeters and a radius of 11 millimeters. What is its<br> volume?

Anika [276]

Answer:

4941.7mm³

Step-by-step explanation:

V of cylinder =πr²h

so π × 11² × 13 = 4941.7 mmm³

4 0

3 years ago