2 years ago

CAN SOMEBODY HELP?

Mathematics

1 answer:

8_murik_8 [283]2 years ago

6 0

Answer:

Above is answer if right please like

Mark as Brainliest please

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The speed of a stream is 4km/h. A boat travels 6 km upstream in the time it takes to travel 12 km downstream. What is the speed

Usimov [2.4K]

<span>6 km × 1 hour/(b-4 km) = 12 km × (1 hour/(b+4 km)

6/(b-4) hours = 12/(b+4) hours

6(b+4) = 12(b-4)

6b + 24 = 12b - 48
72 = 6b
b = 12
The boat's speed in still water is 12 km/hour.</span>

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4 years ago

Will mark brainlist if its right

lakkis [162]

Answer:

No solution

Step-by-step explanation:

-5r + 6 ≤ -5( r+2 )

-5r + 6 ≤ -5r -10

6 ≤ -10

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3 years ago

Can someone help me with this

Anvisha [2.4K]

Answer:

D. $\frac{{7}^{11} }{ {4}^{11} }$

Step-by-step explanation:

$( \frac{7}{4}) {}^{11} = \frac{7 {}^{11} }{4 {}^{11} }$

Since we are multiplying an exponential number to a fraction the answer is going to be

$\frac{7 {}^{11} }{4 {}^{11} }$

Hope this helps ❤❤❤ ;)

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4 years ago

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F Jay makes $15 an hour, how long will it take him to earn $90?

Allushta [10]

OK my friend if you times 15 by each of the amount of hours you will find out which one it is but in this case it will be 15 times 6 hours will equal out to be $90

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3 years ago

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Suppose that there are two types of tickets to a show: advance and same-day. Advance tickets cost $15 and same-day tickets cost

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27 and 18 tickets were sold

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4 years ago