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KIM [24]
3 years ago
14

Lannister checks out 6 set of books from the library each set has the same number of books she reads 7 of the books and she has

11 books left to read how many books are in each sets
Mathematics
1 answer:
fgiga [73]3 years ago
6 0

Answer:

3

Step-by-step explanation:

Lannister checks out 6 sets of book

Each set had the same number of books

She reads 7 books and has 11 more to go

Therefore the number of books in each set can be calculated as follows

= 11+7

= 18

18/6

= 3

Hence there are 3 books in each set

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The system of equations Y =-3x+2 and Y = 3x-6 is shown on the graph below.
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Answer:

A

Step-by-step explanation:

8 0
3 years ago
To the nearest​ millimeter, a cell phone is 72 mm long and 46 mm wide. What is the ratio of the width to the​ length
earnstyle [38]

Answer:

Length = 72 mm

Width = 46 mm

Ratio = 72:46 = 36:23

Step-by-step explanation:

72 and 36 both are divisible by 2. so when we divide them by two we get 36 and 23. we can divide both the sides only with the same number, but 36 and 23 have no common factors. so we leave it here and this is the answer.

5 0
3 years ago
We have 500 grams of a 10% salt solution. How many grams of water must be added to dulite the solution to form a 4% solution. Sh
lys-0071 [83]
Hmm, one way is this
there's 500 times 0.10 or 50 grams of salt in the water
if we want to make 50 grams=4% of everything, how much water do we need to add

50=4% of all
50=0.04 of all
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so
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minus 500 both sides
what=750

750 grams of water
3 0
3 years ago
Read 2 more answers
During the first hour of operation the farm stand owner sold 15% of the apples he had. On the second hour he sold 20% of the rem
Lelechka [254]

Answer:

200 kg


Step-by-step explanation:

First hour he sold 15% <em>(remaining is 85%)</em>

Second hour he sold 20% of remaining <em>(which is 85%)</em> -- so he sold (0.2)(0.85)=0.17, which is 17% (remaining 85-17=68%)

Third hour he sold 25% of remaining <em>(which is 68%)</em> -- so he sold (0.25)(0.68)=17, which is 17%


In third hour he sold 34, so 17% is 34. To find total he initially had, we need to find (100%). We can setup the ratio (letting x equal his initial amount):

\frac{0.17}{34}=\frac{1}{x}\\0.17x=34\\x=\frac{34}{0.17}=200

Initially the farm stand owner had 200 kg of apples.

5 0
3 years ago
Write the phrase "the sum of a number and twenty-three less than that number" as a mathematical expression.
nlexa [21]

Answer:

D

Step-by-step explanation:

The sum of a number and twenty-three less than that number" as a mathematical expression is x + (x – 23)

I mean its the only answer with sum and "less than" because that usually means you need to subtract, I hope this helps

3 0
2 years ago
Read 2 more answers
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