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Dominik [7]
3 years ago
12

Question 5 J, please provide each step

Mathematics
1 answer:
KonstantinChe [14]3 years ago
3 0

Answer:

x = \frac{12}{5}

Step-by-step explanation:

Multiply all terms in the equation by the lowest common multiple of 3 and 5, that is 15. This will eliminate the fractions in the equation

10(1 - 2x) - 30x = - 6 + 20(2 - 3x) ← distribute and simplify both sides

10 - 20x - 30x = - 6 + 40 - 60x

10 - 50x = 34 - 60x ( add 60x to both sides )

10 + 10x = 34 ( subtract 10 from both sides )

10x = 24 ( divide both sides by 10 )

x = \frac{24}{10} = \frac{12}{5}

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WARRIOR [948]
That’s that right answer
3 0
3 years ago
The contractor for a new school put a rectangular garden in the courtyard. The length of this garden is 5 feet longer than its w
Andrej [43]

Answer:

23ft

Step-by-step explanation:

Area of the rectangle = LW

L is the length

W is the width

Given

Area = 414ft²

If the length of this garden is 5 feet longer than its width, then;

L = W+5

Substitute into the formula

414 = (W+5)W

414 = W²+5W

W²+5W-414 = 0

W = -5±√5²-4(-414)/2

W = -5±√25+1656/2

W = -5±√1681/2

W = -5+41/2

W = 36/2

W = 18ft

Since L = W+5

L = 18+5

L = 23ft

Hence the length of the rectangle is 23ft

7 0
3 years ago
URGENT PLEASE HELP. A radio signal travels at 3.00 * 10^8 meters per second. how many seconds will it take for a radio signal to
lbvjy [14]
So distance=rate x time and if we rearrange this to find the time we get time=distance/rate. Now we can just plug in the numbers.


3.54*10^7/3*10^8=time(seconds)
To solve this we can just divide the parts of the scientific notation separately.

3.54/3=1.18
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Now we just multiply our answers together because we separated them before we divided.

1.18*1/10=.118

So the answer is .118 seconds
4 0
3 years ago
Read 2 more answers
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Answer:

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Step-by-step explanation:

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25% of 28,000 is 7,000.
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