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Yuliya22 [10]
3 years ago
7

a bookstore sold a total 43 paperback and hardback books. each paperback books costs $4.50, and each hardback book costs $12.00.

If the bookstore made a total of $276 in sales for one day, how many paperback books did they sell and show work
Mathematics
1 answer:
creativ13 [48]3 years ago
7 0
The answer will be 32
Have a nice day :) .
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The ratio of two numbers is 2/3. The sum of the numbers is 105. What are the two numbers?
Pepsi [2]
A) x/y = 2/3
B) x + y = 105
Solving Equation A for y
A) y = 1.5x
Substituting A into B
B) x + 1.5x = 105
2.5x = 105
x = 42
y = 63


8 0
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What is the volume of the square pyramid with base edges 4 m and height 3 m
olya-2409 [2.1K]

16 m³

Step-by-step explanation:

Step 1:

Here we are going to find the volume of square pyramid.

Volume of square pyramid = (1/3) × (Base)^{2} × (Height)

Here base = 4 m

         Height = 3 m

Step 2:

Volume = (1/3) × (4 × 4) × 3

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5 0
3 years ago
Use a number line to show the sum of 6 + (–7).
mylen [45]
So there is a rule
(+)(+)=+
(-)(+)= -
(+)(-)= -
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4 0
3 years ago
2) Simplify (do not<br> worry about trying<br> to show work)<br> 7/8 divided by 4/1
yawa3891 [41]

Answer:

3.5 i hope that help

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
How can 1/5x-2=1/3x+8 be set up as a system of equation
erik [133]
Hello :
<span>1/5x-2=1/3x+8
let ; y = </span><span>1/5x-2 ..... (1)
       y=1/3x+8  .....(2)
by (1) : 1/5 x =y+2
             x = 5y +10....(*)
by (2) : 1/3x = y-8
             x = 3y-24 ....(**)
(*) :5y-x = -10
(**) : 3y-x =24     ......( last answer )


</span>
4 0
3 years ago
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