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mezya [45]
3 years ago
13

Solve the compound inequality 4 (x-5) <12 or x+2>9

Mathematics
1 answer:
arsen [322]3 years ago
8 0
Answer would be -19 and your welcome :) 
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An ice cube is melting, and the lengths of its sides are decreasing at a rate of 0.8 millimeters per minute At what rate is the
julia-pushkina [17]

Answer:

The rate of decrease is: 43.2mm^3/min

Step-by-step explanation:

Given

l = 18mm

\frac{dl}{dt} = -0.8mm/min ---- We used minus because the rate is decreasing

Required

Rate of decrease when: l = 18mm

The volume of the cube is:

V = l^3

Differentiate

\frac{dV}{dl} = 3l^2

Make dV the subject

dV = 3l^2 \cdot dl

Divide both sides by dt

\frac{dV}{dt} = 3l^2 \cdot \frac{dl}{dt}

Given that: l = 18mm and \frac{dl}{dt} = -0.8mm/min

\frac{dV}{dt} = 3 * (18mm)^2 * (-0.8mm/min)

\frac{dV}{dt} = 3 * 18 *-0.8mm^3/min

\frac{dV}{dt} = -43.2mm^3/min

<em>Hence, the rate of decrease is: 43.2mm^3/min</em>

8 0
3 years ago
Write a 3-digit number using the digits 5,9,and 2. Then write your number using words.
viva [34]

592, five ninety two

3 0
3 years ago
Read 2 more answers
Madeline has been working on a 500 piece puzzle. She has completed 0.65 of the puzzle.
Tju [1.3M]
I think so it is between 51~56%
4 0
3 years ago
Determine the area of a,b and c. a to b=7.5 inches a to d= 16.8 inches
Alex777 [14]
The area would be 63.The steps to how I got that anwser:
1.] Write your formula
A=bh
    ----
      2
2.]Begin by plugging in your measurements
A=7.5 times 16.8
     -------------------
             2
3.]Multiply the top two numbers together
A=126
     -----
        2
4.]Divide to get your final anwser
A=63
3 0
3 years ago
A sportscaster predicted that the local middle school football team has a 80% chance of winning tonight. What is the probability
ELEN [110]
I think the answer is 20%.
8 0
3 years ago
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