-44=8p+4
-8p=4+44
-8p=48
Divide both sides by -8
P=-6
Answer:
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Step-by-step explanation:
Answer:
Let the two nos. Be x and y
xy = -32
x - y = -12
(x-y)^2 = (x+y)^2 - 4xy
144 = (x+y)^2 + 128
16 = (x+y)^2
Therefore x+y = +4, -4
When x+y = +4, x-y = -12
x = -4, y = 8
When x+y = -4, x-y = -12
x= -8, y = 4
Hope this helps!
Answer:
5 ; 2.07 ; 1.85
Step-by-step explanation:
Given the data:
2, 3, 5, 6, 7
The range : ( highest - lowest)
The range = (7 - 2) = 5
Sample standard deviation :
sqrt[Σ(x - m)²/ (n - 1)]
The mean (m) = Σx / n
n = sample size = 5
Σx / n ;
(2+3+5+6+7) / 5
= 23 / 5
= 4.6
[(2-4.6)^2 + (3-4.6)^2 +(5-4.6)^2 + (6-4.6)^2+ (7-4.6)^2] / (5 - 1)
= 17.2 / 4
= 4.3
Sqrt(4.3) = 2.07
Population standard deviation :
sqrt[Σ(x - m)²/ n]
The mean = m = 4.6
n = sample size = 5
[(2-4.6)^2 + (3-4.6)^2 +(5-4.6)^2 + (6-4.6)^2+ (7-4.6)^2] / 5
= sqrt(17.2 / 5)
= sqrt(3.44)
= 1.8547 = 1.85
Answer:
1) There are double number of pennies than there are quarters
2) For every 2 pennies, there is one quarter
3) There are 2 less quarters compared to the pennies
Hope dis helped!
Step-by-step explanation:
plz mark as brianliest if correct!!!
