3 years ago

I need help with this question

Mathematics

1 answer:

Helga [31]3 years ago

6 0

i think its f it just seems to be the most reasonable awnser a and i dont know this stuff :P

Step-by-step explanation:

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Solve the equation.<br><br>5/7=10/x+2

skelet666 [1.2K]

Answer:

$x=-\frac{70}{9}$

Step-by-step explanation:

Isolate the variable by doing operations to both sides of the equation.

The work is shown below:

$\frac{5}{7} =\frac{10}{x} +2\\\\\frac{5}{7} - 2=\frac{10}{x} +2 - 2\\\\-\frac{9}{7} = \frac{10}{x}\\\\ -\frac{9}{7}*x = \frac{10}{x}*x\\\\ -\frac{9}{7}x = 10\\\\ -\frac{9}{7}x * (-\frac{7}{9})= 10 * (-\frac{7}{9}) \\\\x=-\frac{70}{9}$

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3 years ago

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1 $40.00 shirt is on a 10% off sale rack, What is the final price of the shirt 8.25%

erastova [34]

Answer: 38.97

10% of 40 is 4
40-4=36
8.25% of 36 is 2.97
36+2.97= 38.97

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3 years ago

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makvit [3.9K]

Answer:

5.81%

Step-by-step explanation:

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3 years ago

Keith plans to buy a car in the future. He currently has $3,000 saved up to buy the car. How much money (x) does he need to save

iVinArrow [24]

708.33333333 or 708.4 $ a month

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4 years ago

I did it wrong the first time

kvv77 [185]

Answer:

4.6

Step-by-step explanation:

For this question, we need the opposite side and have the opposite

with that said, out of SOH, CAH, TOA it's fastest to use TOA

tan(75)=17/x

17/(tan(75))=x

x= 4.555136271

which rounds to

4.6

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I need help with this question ​

I need help with this question