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Vaselesa [24]
3 years ago
11

Mrs. Johnson just purchased a total of 12 books and magazines for her office. The total bill was $112. She spent $16 on magazine

s and the books cost $12 each. How many books did she buy?
Mathematics
2 answers:
saw5 [17]3 years ago
7 0
Mrs. Johnson bought 8 books
yuradex [85]3 years ago
5 0
112-16=96
96/12= 8 books
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Step-by-step explanation:

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3 years ago
What is the equation represented by the order pairs {(0,32),(1,16),(2,8),(3,4)}?
bagirrra123 [75]

Answer:

The equation represented by the ordered pair is;

y = 2^(5-x)

Step-by-step explanation:

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3 years ago
Perpendicular Vectors:
klemol [59]
1.
v x w = 8 i - 24 j + 15 k + 10 j - 12 i - 24 k =
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2.
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3.
The cross product:
< - 6, 7, 2 > x < 8, 5, -3 > =
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< - 6 , 7. 2 > * < -31, - 2, - 86 > = 186 - 14 - 172 = 0
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3 years ago
John has 20 pieces of candy left for Halloween.He gave his brother 3 pieces his parents 4 pieces and his dog ate 1 piece.How man
andrew11 [14]
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7 0
2 years ago
Five times the number of test tubes in a school’s chemistry lab exceeds three times the number of beakers it has by 660. The sum
Usimov [2.4K]
<span>5t=3b+660....and ... 2t+5b=450

from the first we can see that t=(3b+660)/5 and using this value in the second...

(6b+1320)/5+5b=450 making all have common denominator..

6b+1320+25b=2250

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b=30...and since 2t+5b=450

t=150</span>
4 0
3 years ago
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