3 years ago

Write the set of in roster form if M is the set of integers that are greater that -1 and less than 4?

1 answer:

8 0

If I could understand what you meant my answer is: Set M consisting of 0,1,2 and 3 whose power set has 16 individual sets :)

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Riders travel at a average speed of 61 feet per second for 3118 feet. A maximum of 187 per second. What is this as an expression

Flura [38]

187 ft/s. I think that this might be an equation, but if it is not, I'm sorry.

6 0

3 years ago

A postage box should weigh 1.0 pound. If there is a 5% error on the weight, what is the range of acceptable weight?

Nadya [2.5K]

Answer: 0.95

Step-by-step explanation: 1.0 and 10% is 0.10 so 5% is 0.5 and if u take 0.5 away from 1.0 it’s 0.95

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3 years ago

A force of 22 pounds presses on a membrane. The average pressure on the membrane is 2.75 pounds per square inch (psi). What is t

Viefleur [7K]

Answer:

8 in^2.

Step-by-step explanation:

F = P * A

22 = 2.75 * A

A = 22/ 2.75

A = 8 in^2.

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3 years ago

Read 2 more answers

When Klorina swims with the current, she swims 10 km in 2 h. Against the current, she can swim only 8 km in the same time. How f

nasty-shy [4]

Answer:

Klorina's rate in still water is 4.5 km/h

Current's rate is 0.5 km/h

Step-by-step explanation:

Let

x km/h = Klorina's rate in still water

y km/h = current's rate

With the current (current helps):

Distance = 10 km

Time = 2 hours

Rate = x + y km/h

$10=2(x+y)$

Against the current:

Distance = 8 km

Time = 2 hours

Rate = x - y km/h

$8=2(x-y)$

Divide both equations by 2:

$x+y=5\\ \\x-y=4$

Add these equations:

$x+y+x-y=5+4\\ \\2x=9\\ \\x=4.5\ km/h$

Subtract these two equations:

$(x+y)-(x-y)=5-4\\ \\x+y-x+y=1\\ \\2y=1\\ \\y=0.5\ km/h$

4 0

2 years ago

−px+r=−8x − 2, x=? now i have to do this problem, and i dont know how, help?

Taya2010 [7]

-px + r = - 8x - 2

-px + r + 8x +2 = 0

-px +8x = -r -2

x(8-p) = -r -2

x= $\frac{8-p}{-r-2}$ =

$\frac{8-p}{-r-2}$

3 0

2 years ago