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Sedbober [7]
3 years ago
7

my teacher would like you to solve this using fraction ex:(345/x=727/2355) (just a heads up!!) please help :)​

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
7 0
The answer is your teacher different
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What is the result of subtracting the second equation from the first -2x+7y=10 3x+7y=2
Iteru [2.4K]

The answer after subtracting the following equation is x= -8/5

Step-by-step explanation:

  • -2x+7y=10 ----- eq(1) , 3x + 7y =2------ eq(2)

  • 7y+3x =2
  • 7y-2x = 10
  • subtracting eq 2 from eq 1 we get
  • 5x = -8
  • x= -8/5

   

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8 0
3 years ago
Aiko types at a rate of 70 words per minute. After typing at the same rate for 3 minutes, he had typed a total of 210 words. Thi
Eddi Din [679]

Answer:

Not sure if this is correct but it should be y=210x-140

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
What does g(n) equal
NikAS [45]
We are given the function: 
g(n) = 3 (\frac{7}{5} )^n

We need to find what g(-3) equals. 

What the question is asking is what is the resulting value after you plug in -3 as n to the function. Meaning you replace the n that is in the function with -3. 

g(-3) = 3( \frac{7}{5})^{-3}

Remember back to the order of operations. 

Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

For this problem we can keep the fraction as it is (unless you are permitted to use a calculator... if that is the case then just plug all that into a calculator) and keep going to the exponent. 

Negative exponents make fractions FLIP. So our fraction will look like this: (\frac{7}{5})^{-3} =  (\frac{5}{7})^{3}

Now that we have it without the negative exponent we need to distribute the cubed power to each number in the fraction (which is essentially the same as saying this: \frac{5}{7}* \frac{5}{7}* \frac{5}{7})

\frac{5^{3}}{7^{3}} =  \frac{125}{343}

We ARE NOT done! We still have this left: 
g(-3) = 3 \frac{125}{343}
Multiplying by 3 you get the following: 

\frac{375}{343}

So what does g(-3) equal? This right here: 

\frac{375}{343}
5 0
3 years ago
Last month it rained 16 out of 30 days. Which ratio is equivalent to the number of days it did NOT rain last month?
nlexa [21]

c, 7:15

Hope this helps! May I please have brainliest? :D

4 0
2 years ago
Read 2 more answers
7th grade math help me please :(
coldgirl [10]

Answer:

<h2>92 remainder 280</h2>

Step-by-step explanation:

\frac{65600}{710}=92\:remainder\:280\\\\\frac{65600}{710}=92\frac{280}{710}

4 0
2 years ago
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