30 is the old value and 55 is the new value. In this case we have a positive change (increase) of 83.33333333 percent because the new value is greater than the old value. Using this tool you can find the percent increase for any value.
Answer:
Step-by-step explanation:
The slope of the line joining the 2 points is a measure of the average rate of change.
Calculate slope m using the slope formula
m = 
with (x₁, y₁ ) = (4, - 1) and (x₂, y₂ ) = (- 3, - 2)
m = 
= 
= ← average rate of change
Answer:
Step-by-step explanation:
sqrt(28): sqrt(4*7)
sqrt(4) = 2;
sqrt28)=2*sqrt(7)
sqrt(343): sqrt(7 * 7 * 7) = 7 * sqrt(7)
Note: the rule is if you have 3 equal primes under the root sign, you leave one, you throw one away, and you put one outside the root sign.
2 sqrt(63) = 2 sqrt(3*3*7) The above rule gets modified to throw 1 three away and take the other one outside the root sign.
2sqrt(63) = 2*3 sqrt(7)
Numerator: 2*sqrt(7) + 7sqrt(7) = 9sqrt(7)
9sqrt(7)
======
6 sqrt(7)
3/2
Note without brackets I cannot be certain that I have interpreted this correctly. The division only apply to sqrt(343) / 2 sqrt(63). If this is so please leave a note.
The answer is A, 2x represents two times the number minus 25% is 0.25 as a decimal answer.
We have that
<span>0.04524/0.0078
we know that
</span>0.04524--------> is equal to 4524 x 10<span>^-5
</span>0.0078---------> is equal to 78 x 10^-4
(4524 x 10^-5)/(78 x 10^-4)----> (4524/78) x 10^(-5+4)---> (4524/78) x 10^-1
4524/78----> divided by 2------> 2262/39
2262/39-----> divided by 3-----> 754/13----> 58
therefore
(4524/78) x 10^-1------> (58) x 10^-1------> 5.8
the answer is
5.8
