2 years ago

I need to know how to solve this

Mathematics

1 answer:

kirza4 [7]2 years ago

5 0

No solution, the answer is no solution

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4/9x + 1/5x =58 need help solving this

iogann1982 [59]

Answer:

x=90

Step-by-step explanation:

First, it would help to make it so that the x's are not next to fractions. To do this, you can multiply all terms in the equation by 45. 45 is the closest common factor of 9 and 5, the denominators of the fractions. The answer would be;

20x+9x=2610

Then solve.

29x=2610

x=90

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3 years ago

Which graph shows the solution to the following inequality? 4d-6<18

Nadusha1986 [10]

Answer: C

Step-by-step explanation:

4d - 6 < 18

+6 +6

4d < 24

$\frac{4d}{4} < \frac{24}{4}$

d < 6

Graph: ←----------------o 6

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2 years ago

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305/453 what is the percent to the neriest tenth

swat32

The answer is 67% because it rounds to 67%

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3 years ago

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Tasya [4]

Answer:

Step-by-step explanation:

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2 years ago

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In his boat, Sheldon can travel 45 mi downstream in the same time that it takes to travel 9 mi upstream. If the rate of the curr

Nataliya [291]

Answer:

9 mph

Step-by-step explanation:

-let x be the speed of current and t be time. The speed equation for both directions can then be represented as:

$Speed=\frac{Distance}{Time}\\\\\#Upstream\\(u-6)t=9\\\\\#Donwstream\\\\(u+6)t=45$

#Since t is equal in both, we can do away with t.

#We the divide the downstream equation by the upstream equation as:

$\frac{u+6}{u-6}=\frac{45}{9}\\\\(u+6)=5(u-6)\\\\u+6=5u-30\\\\4u=36\\\\u=9$

Hence, the boat's speed in still water is 9 mph

7 0

2 years ago