Answer: The answer is: " 2 " .
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→ Kami has read the book "<u> 2 (two) </u>" times.
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Step-by-step explanation:
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Let "J" represent the number of times julia has read the book.
Let "K" represent the number of times Kami has read the book.
J = 6 ;
J = 3K ;
Solve for "K" ;
J = 6 = 3K ;
→ 6 = 3K ;
↔ 3K = 6 ;
Divide each side of the equation by "3" ;
to isolate "K" on one side of the equation; & to solve for "K" :
→ 3K / 3 = 6 / 3 ;
to get:
K = 2 .
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The answer is: " 2 " .
→ Kami has read the book "<u> 2 (two) </u>" times.
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If there are 4 girls to every 9 students, then there are 5 boys to every girl, 9-4=5. So, there are more boys in the class.
Answer:
The jogger will burn 277.5 calories
1. x/-3=-15
x=45
2. -7+3(-12)÷-3
-7+12
5
3. f(-4)=(-4)²-(-4)
f(-4)=16-(-4)
f(-4)=20
4. x-9=17
5. 2x+3=35
6. -8-12-(-20)
-20-(-20)
0
7. -2(-3)²(-1)
-2(9)(-1)
-18(-1)
18
8. x-(-2)
9. subtract 7 then divide by -2
10. 6+(-18)+(-13)+9
-12-4
-16
11. 5x=11
12. division property
13. -3³ = -27
14. x/2-3=7
x/2=10
x=20
15. 2x-5=15
16. x/-4-(-8)=12
x/-4=4
x=-16
17. 168
18. 16-20-(-8)-9
-4-(-8)-9
4-9
-5
Answer:
A.
Step-by-step explanation:
tan x= 6/8
usually tan θ = perpendicular / base
So,
we get perpendicular = 6, base = 8
Now using Pythagorean Theorem to find hypotenuse
hyp² = base² + Perp²
hyp² = 8² + 6²
hyp²= 64 + 36
hyp²=100
Taking sq root on both sides
hypotenuse = 10
Now
sin θ = Perpendicular / Hyp
sin x = 6 / 10
Now
cos θ = base / Hyp
cos x = 8 / 10
