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Nookie1986 [14]
3 years ago
12

Sierra says that she can simplify the left side of the inequality 2(-3+5)+2grater than or equal to -4(x-2)-3 by combining the te

rms within the parentheses,but that she can't do the same on the right side. Is sierra correct?Explain
Mathematics
1 answer:
maxonik [38]3 years ago
4 0

Answer:


Step-by-step explanation:

Yes, she is correct as the given equation is:

2(-3+5)+2\geq-4(x-2)-3

The left hand side of the above equation can be easily solved within parentheses as it does not contain any variable but the right hand side of the equation contains the variable x.

⇒-6+10+2\geq-4x+8-3

⇒6\geq-4x+5

⇒6-5\geq-4x

⇒1\geq-4x

⇒x\geq \frac{-1}{4}

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Answer:

Step-by-step explanation:

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2 years ago
Solve for x: x5 + x4 − 7x3 − 7x2 − 144x − 144 = 0
motikmotik

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Read 2 more answers
If a car travels 640 miles in 11 hours, what is the average rate (speed) of the car? A) 0.017 mph B) 17.12 mph C) 58.18 mph D) 6
Tju [1.3M]
640 divided by 11 equals 58.18 mph
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3 years ago
See attachment for problem
Effectus [21]

The liters in the tank when it is filled to a height of 3.70 is  5,580 liters

The liters that needs to be added to 100% capacity is 480 liters

<h3>What is the volume?</h3>

A right circular cone is a three dimensional object has a flat circular base that tapers to a vertex. The volume of a right circular cone is the amount of space in the right circular cone.

Volume of a cone = 1/3(πr²h)

Where:

  • π = pi = 3.14
  • r = radius
  • h = height

Volume of the right circular cone when its filled to a height of 3.70 = 1/3 x 3.14 x 3.70 x 1.20² = 5.58 m³

5.58 x 1000 = 5,580 liters

Volume of the right circular cone when it is full =  1/3 x 3.14 x 4 x 1.20² = 6.03  m³

6.03 x 1000 = 6030 liters

Liters that needs to be added to 100% capacity =  6030 liters - 5,580 liters  = 480 liters

To learn more about the volume of a cone, please check: brainly.com/question/13705125

#SPJ1

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1 year ago
If triangle DEF is an isosceles triangle with DE is congruent to EF, find x and the measure of each side
Rudik [331]

Step-by-step explanation:

Given that,

DE = 8x - 13

EF = 5x + 17

DF = x + 21

Also,

DE = EF

which means that,

8x - 13 = 5x + 17

8x - 5x = 17 + 13

3x = 30

x = 30/3

x = 10

Now,

DE = 8x - 13 = 8×10 - 13 = 80 - 13 = 67cm

EF = 5x + 17 = 5×10 + 17 = 50 + 17 = 67cm

DF = x + 21 = 10 + 21 = 31cm

3 0
2 years ago
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