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3 years ago

Points A, B, and C are collinear. Point B is between A and C. Find the indicated length.

Mathematics

1 answer:

Digiron [165]3 years ago

3 0

Answer:

glkjjhkb

Step-by-step explanation:

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154×35= can you show work

DochEvi [55]

The way to solve it is to put the 154 on top of 35 and multiply it to get the answer, 154 times 35 = 5390

5 0

3 years ago

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What is the opposite of taking a power of a number called

frutty [35]

Square rooting a number

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3 years ago

Among 9 electrical components exactly one is known not to function properly. if 4 components are randomly selected, find the pro

seraphim [82]

Answer:

0.4444

Step-by-step explanation:

Use the following property to ease the calculation:

P(At least one)=1-P(None)

Total number of electrical components: 9

Number that does not function well :1

Number that functions well : 8

We have $^8C_4=70$ ways to to choose 4 good components from 8.

We have $^9C_4=126$ ways to choose 4 components from a total of 9.

If all function properly then none is bad, we $^1C_0=1$ way to do this.

P(At least one)= $1-\frac{^8C_4*^1C_0}{^9C_4}$

P(At least one)= $1-\frac{70*1}{126}$

P(At least one)=0.4444

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3 years ago

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A motorboat covers the distance from one pier to the other pier in 4 hours and the way back in 5 hours. What is the speed of the

aleksklad [387]

R = speed in still water
r + c = speed with current
r - c = speed against current

3.5(r + c) = 70
r + c = 20
c = 20 - r

4(r + c) = distance from pier to pier
5(r - c) = distance from pier to pier
4(r + c) = 5(r - c)
4(r + 20 - r) = 5(r - 20 + r)
80 = 10r - 100
180 = 10r
18 = r
The speed in still water is 18 km/hour

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3 years ago

Solve the equation for y 2x-y=5

Gekata [30.6K]

Answer:

if you are solving for y then the answer is 2x-5

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3 years ago