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Alex Ar [27]
3 years ago
12

Help me please I don’t know what to don

Mathematics
1 answer:
Hoochie [10]3 years ago
4 0
The mistake was in the distributive property
4y-(5-9y) =4y-5-9y

It should’ve been 4y-5+9y
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Freddie invests £6600 in an account that pays 3 % compound interest per annum for the two years, then 1 % . Work out how much mo
algol [13]

Answer:

Step-by-step explanation:

3% of 6600 = 198

1% or 6600 = 66

6600 + 198 + 198 + 66 + 66 + 66 + 66 + 66 + 66 = 7392

5 0
3 years ago
Find the sum 1/2 + 3/8
Stels [109]

Answer: 7/8

Step-by-step explanation:

The easiest way to do this is to find a common denominator, so first we find out 2 times how much equals 8? 2x4 = 8. So with 8 being our common denominator, we have to multiple 4 to every number in the fraction 1/2. So 1x4 = (4/8) = 2x4. Then you just add the top numbers, so 4 + 3 = 7 and keep the denominator. 7/8.

5 0
3 years ago
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Solve the system of equations -2x+y=5 x-3y=-30
EastWind [94]
-2x+y=5
x-3y=-30 so you can multiply the bottom equation by 2 you'll get 2x-6y=-60

-2x+y=5
2x-6y=-60 And subtract the equations. You'll get -5y=-55 y=11. Plug it in to one of the original equations. -2x+(11)=5 
-2x=-6 so x=3 

y=11 and x=3 
5 0
3 years ago
the amount of money spent weekly on cleaning maintenance and repairs at a large restaurant was observed over a long period of ti
miv72 [106K]

So P(-0.7537 < z < 1.3190) = 0.9063 - 0.2254 = 0.6809

4 0
3 years ago
Is 0 a Rational number
oee [108]
We can say that ‘0’ is also a rational number since it can represent it in many forms of 0/1, 0/2, 0/3, etc. So yea it is hope this helped!
4 0
3 years ago
Read 2 more answers
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