Answer:
let us consider the full weight to be x.
Step-by-step explanation:
1.25% of x = 5
1.25/100 * x = 5
x = 5*100/1.25
x=5*100*100/125
x=100*100/25
x=4*100
x=400
.: full weight would be 400grams.
Find what that area is
22*66=1452
5 times of that is
1452*5=7260
s=seconds
(22+33s)(66+33s)=7260
1089s^2+2904s+1452=7260
minus 7260 from both sides
1089s^2+2904s-5808=0
factor or use quadratic formula
(363)(x+4)(3x-4)=0
set each to zero
x+4=0
x=-4, false, it is increasing, not decreasing
3x-4=0
3x=4
x=4/3
answer is 4/3 seconds
9514 1404 393
Answer:
w = 8t
Step-by-step explanation:
If we assume that the ounces of water are proportional to the time, then the equation will look like ...
w = kt
for some constant k.
Solving for k, we find ...
k = w/t
Using the given values, we find k to be ...
k = (32 ounces)/(4 seconds) = 8 ounces/second
The units are stated in the definitions of the variables, so we can write the equation as ...
w = 8t
Answer:
3 figures
Step-by-step explanation:
Just follow these steps!
Non-zero digits are always significant.
Any zeros between two significant digits are significant.
A final zero or trailing zeros in the decimal portion ONLY are significant.
Answer: y = 5 + 
Step-by-step explanation:
-4y + 2x = -20
Move the variable to the right
-4y = -20 - 2x
Divide Both sides
5 +
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