What is (-1/4) - (-3/5)?
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What is the sum of f and g? f(x) =10-2x g(x)=7x+5A. (F+g)(x)=5+5xB. (F+g)(x)=5+9xC. (F+g)(x)=15+5xD. (F+g)(x)=15+9x
Idrives 125 miles in 2 1/2 hours .At this same rate,how far will he be able to travel in 6 hours
What is equivelent to 4d+6+2d
Find the area of the rectangle polynomial
5x – 2y + z = 0
2x – y + z = 3
3x + 4y = 18
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Answer:
x= 2/5 y - 1/5 z
x= 3/2 + 1/2 y -1/2 z
x = 6 - 4/3 y
Step-by-step explanation:
5x – 2y + z = 0
5x=2y-z
* Moving variables to the right side and changing their signs
* divide both sides by 5
Answer: x= 2/5 y - 1/5 z
2x - y + z = 3
2x = 3 + y - 2
Answer: x= 3/2 + 1/2 y -1/2 z
* move variables to the right sides and change their signs
* divide both sides by 2
3x + 4 y = 18
3x/3 = 18 - 4/3
Answer: x = 6 - 4/3 y
* Move variables to the right side and change its sign
* divide both sides by 3
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x/5+9=4
-9 -9
x/5=-5
x/5=-5
Multiply 5 on both sides to get x is equal to -25.
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= (5.00 + 0.60) * (4.00 + 0.15)
= 5.00 * 4.00 + 5.00 * 0.15 + 4.00 * 0.60 + 0.15 * 0.60
= 20 + 0.75 + 2.40 + 0.09
= 22 + 0.40 + 0.09 + 0.70 + 0.05
= 22 + 1.10 + 0.14
= 23.10 + 0.14
= 23.24
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75/100*100
/ = Divide
* = Times
3% means 3 parts out of 100 parts
obviously decimals and percentages are similar (percentages are just 100 times larger)
to convert a fraction to a decimal, one may do long division or convert the faction to having a denominator of 100
ex) 3/5 100 is 20 times larger than five, so multiply the numerator and denominator by 20 and get 60/100 which is 60 parts per 100 or 60%
this can also be done with 1/6 and other fractions, but it is harder because you have to know how many times larger 100 is which can sometimes defeat the purpose. For 1/6 it is 16.6666666 times larger than 6, so 16.66666666/100 or 16.6666666%
If one has a repeating decimal such as .546 repeating and they wish to convert it to a fraction, all they have to do is divide it by the same number of nines as there are repeating digits. 546/999 is .546 repeating and it reduces to 183/333
if the repeating decimal starts with non-repeating decimals, break it apart into a non-repeating decimal added to a repeating decimal.
.2345345345345345... = .2+ (.345 repeating)/10
= 1/5 + 345/9990
simplify with common denominator
=781/3330
I'm sorry that I couldn't be more helpful, but I thought some random percent knowledge would be better than nothing.
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This problem can be solved by doing long division.