5*36.95= $<span>184.75
2*42.99= $</span><span>85.98
3*38.95= $</span>116.85
1*52*0.6=$<span>31.20 (40% off) multiply by 0.6)
Add 184.75+85.98+116.85+31.20=$</span>418.78 - 20% thus: 418.78*.8= $ <span>335.024</span>
Answer:
x = 7/2 y = 5/2
Step-by-step explanation:
You can either use the elimiation or adding and subtracting method to get the variables for both x & y.
Once you solved for one variable, plug in the variable you just solved back into the original equation to find the other variable.
Answer:
1:3
Step-by-step explanation:
you just need to simplify it
A) The greatest rectangular area will be the area of a square 10 m on each side, 100 m^2.
b) The new dimensions will be 11 m × 11 m.
.. The new area will be (11 m)^2 = 121 m^2.
c) The area was increased by 121 m^2 -100 m^2 = 21 m^2, or 21%.
d) Yes, and no.
.. If you increase the dimensions by 10%, the area will increase by 21%.
.. (40 m)^2 = 1600 m^2
.. (44 m)^2 = 1936 m^2 = 1.21*(1600 m^2), an increase of 21% over the original.
.. If you increase the dimensions by 1 unit, the area will increase by (2x+1) square units, where x is the side of the original. For x≠10, this is not 21 square units.
.. (41 m)^2 = 1681 m^2 = 1600 m^2 +(2*40 +1) m^2 = 1600 m^2 +81 m^2
Answer:
- 37/100
Step-by-step explanation:
Since it's not a whole number it is over 100.
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