Answer:
13. 
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DON'T GET HOOKED
Step-by-step explanation:
13. 
12. ![5[r + 4] = 45 \\ \\ r + 4 = 9 \\ \\ 5 = r](https://tex.z-dn.net/?f=5%5Br%20%2B%204%5D%20%3D%2045%20%5C%5C%20%5C%5C%20r%20%2B%204%20%3D%209%20%5C%5C%20%5C%5C%205%20%3D%20r)
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6. ![3[a + 5] = 24 \\ \\ a + 5 = 8 \\ \\ 3 = a](https://tex.z-dn.net/?f=3%5Ba%20%2B%205%5D%20%3D%2024%20%5C%5C%20%5C%5C%20a%20%2B%205%20%3D%208%20%5C%5C%20%5C%5C%203%20%3D%20a)
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Answer:
35
Step-by-step explanation:
4 x 15 = 60
-4 x 5 = - 20
-1 x 5 = -5
60 - 20 - 5 = 35
Answer:
14302 miles
Step-by-step explanation:
from alaska to chicago it is 2861 mi.
2861 times 5
that divdied by three is 14302
Answer:
10+3pi
Step-by-step explanation:
The perimeter of of the shaded region is
AC+CT+marcSBT+SA
*Finding AC
The diagonals of a rectangle are equal is measurement. Since RB is a radius of the circle, then RB is 6. Since AC and RB are both diagonals of the rectangle, then AC is also 6.
*Finding CT
CT=RT-RC where RC is the width of the rectangle
Also RT is a radius so we have that
CT=6-RC
*Finding marcSBT
The circumference of a whole circle is 2pi*r.
We have a quarter of this with r=6.
1/4*2pi(6)
1/4*12pi
3pi
*Finding SA
SA=RS-AR
RS is a radius of the circle and AR is the length of the rectangle.
So we have that this can be rewritten as
SA=6-AR
Let's put these parts together:
6+6-RC+3pi+6-AR
Simplifying:
18-RC-AR+3pi
18-(RC+AR)+3pi
18-8+3pi (Remember length plus width equal 8)
10+3pi
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