Answer:
180.48
Step-by-step explanation:
The area of a rectangle = bh
Area of a circle = π
Rectangle = 8 x 10 = 80
Circle = 3.14(
) = 200.96
But because it's a hlaf circle, divide the number by 2
100.48
Now add the numbers together
180.48
0 would represent breakeven, no debt, but no credit
Label the credit at positive 38
Label the debt at negative 38
Answer is 19;
Problem
a1=325 , d=25 , S19=?
Result
S19=10450
Explanation
To find S19 we use formula
Sn=n2⋅(2a1+(n−1)⋅d)
In this example we have a1=325 , d=25 , n=19. After substituting these values into the above equation, we obtain:
Sn19=n2⋅(2a1+(n−1)⋅d)=192⋅(2⋅325+(19−1)⋅25)=192⋅(650+18⋅25)=192⋅(650+450)=192⋅1100=10450
Answer:
5 < L < 18,5
5 < L < 18,52 < W < 5,5
Step-by-step explanation:
longeur = length = L
largeur = width = W
L = 3W +2
12 < 2L+2W < 48
———————————————
12 < 2*(3W+2)+2W < 48
12 < 6W+4 +2W < 48
12 < 8W+4 < 48
8 < 8W < 44
2 < W < 5,5
———————————————
12 < 2L+2W < 48
L = 3W +2
<em>L</em><em> </em><em>-</em><em> </em><em>2</em><em> </em><em>=</em><em> </em><em>3</em><em>W</em>
<em>L</em><em>/</em><em>3</em><em> </em><em>-2</em><em>/</em><em>3</em><em> </em><em>=</em><em> </em><em>W</em>
12 < 2L +2*(L/3 -2/3) < 48
12 < 2L + ⅔L -4/3 < 48
12 < 2⅔L -4/3 < 48
13⅓ < 2⅔L < 49⅓
5 < L < 18,5
hope it helps.
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