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Nikitich [7]
3 years ago
11

Solve -8x greater than or equal to 2

Mathematics
1 answer:
vivado [14]3 years ago
3 0

Answer:

x \leq -\frac{1}{4}

Step-by-step explanation:

  1. Write it out: -8x ≥ 2
  2. Divide each side by -8 to cancel out the -8 next to x. It should now look like this: x \leq -\frac{1}{4}  

I hope this helps!

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Which equation represents a circle with a center at (-4,9) and a diameter of 10 units?
Dennis_Churaev [7]

Answer:

(x+4)^2 + (y-9)^2 = 25

Step-by-step explanation:

To write the equation of a circle, use the formula (x-h)^2+(y-k)^2 = r^2 where the center of the circle is (h, k).

This means the equation is (x--4)^2 + (y-9)^2 = r^2\\\(x+4)^2 + (y-9)^2 = r^2.

Find the radius r by dividing the diameter of 10 in 2. The radius is 5.

So the equation of the circle is (x+4)^2 + (y-9)^2 = 25

7 0
3 years ago
20,000 pounds equals how many English tons?
kkurt [141]
<span>2,000 pounds are a short ton also sometimes referred to as an English ton. Your 20,000 pounds are therefore 10 short tons. By contrast the Metric ton is 1,000 kg or 2,204 American pounds. 2000 pounds = 1 short ton 2240 pounds = 1 long ton</span>
4 0
3 years ago
Whats -2(4k-7)=22-8k in Algebra
Andrei [34K]

Let's solve your equation step-by-step.

−2(4k−7)=22−8k

Step 1: Simplify both sides of the equation.

−2(4k−7)=22−8k

(−2)(4k)+(−2)(−7)=22+−8k(Distribute)

−8k+14=22+−8k

−8k+14=−8k+22

Step 2: Add 8k to both sides.

−8k+14+8k=−8k+22+8k

14=22

Step 3: Subtract 14 from both sides.

14−14=22−14

0=8

So, the answer is 0=8.

6 0
3 years ago
A rectangle length is 8cm more than three times it’s widith. The perimeter is 128 cm find the length.
Masteriza [31]
Let x = width
<span>length is 8 cm more than three times it’s width so length = 3x + 8
</span>
Perimeter of a rectangle = 2(L + W)
so
128 = 2(x + 3x + 8) solve for x (width)
128 = 2(4x + 8)
  64 = 4x + 8
  4x = 56
    x = 14
width = 14 cm
length = 3(14) + 8 = 50 cm

Answer:
width   = 14 cm
length  = 50 cm

4 0
3 years ago
What number is 20% of 40?
VladimirAG [237]

Answer:

It would be 8

Step-by-step explanation:

20% of 40 is 8

6 0
3 years ago
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