1 answer:
1. 8q + 6 ; q = 2
= 8 ( 2 ) + 6
= 16 + 6
= 22 option D.
2. 9 + 4 ( -3 )
= 9 - 12
= -3 option A
3. 7 ( 4 ) - 7
= 28 - 7
= 21
option B
4. 10 - 3.2 ( 2 )
= 10 - 6.4
= 3.6 option B
5. 12 (1.5) + 4
= 18 + 4
= 22 option D.
6. 5w + 10 = 40
5w = 30
w = 6 option A.
7. 4y - 12 = 60
4y = 72
y = 18 option B
8 . 10k + 5 = 65
10k = 60
k = 6 option A
9. 2b - 15 = 33
2b = 48
b = 24 option C
10. 3d + 18 = 21
3d = 3
d = 1 option B
You might be interested in
Multiply 2/3 by the reciprocal, 3/2, on both sides.
Answer:
Step-by-step explanation:
we have
-----> equation A
-----> 
-----> equation B
Substitute equation B in equation A
solve for Y
Supplementary angle = 180
180 - 51 = x
x = 129
C) 129 degrees is your answer
hope this helps
Answer:
1.)
132 cm - 11 cm = 121 cm
So let the hypotenuse be x and the other leg be (121 - x).
11^2 + (121 - x)^2 = x^2
121 + 121^2 - 121(2)x = 0
x = 1/2 + 121/2 = 61 cm
Step-by-step explanation: not sure if this is right or not
I used the Old Change New method and I crossed multiplied.
The answer is about $498 (I rounded $497.895875)
Check: $498>459.95 by 8.25%
