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skelet666 [1.2K]
3 years ago
15

There are some books on a shelf and 12 are cookbooks. If 20% are cookbooks, how many books are on the shelf

Mathematics
1 answer:
GuDViN [60]3 years ago
5 0
If u take 12 divided by .20 you would get 60 because if u think of it as a dinner bill say it is $60.00 and I want to give a 10% tip it would be $6 but if u give a 20% tip u would give $12
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Neporo4naja [7]
We rewrite the expression:
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3 years ago
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AD is the perpendicular bisector of BC.
masha68 [24]

5x-10= 3x+10

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3 years ago
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Simon used 3 pears and 9 apples to make a fruit salad. What was the ratio of the number of pears to the number of apples in the
dlinn [17]

Answer:

Step-by-step explanation:

Ratio is an expression that shows the relationship between two items in terms of quantity. It shows how much of one item can be found in another.

Simon used 3 pears and 9 apples to make a fruit salad.

This is expressed in terms of quantity.

The ratio of the number of pears which simon used to the number of apples which simon used will be

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The ratio is 3/9.

Simplifying further to its lowest term,

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3 0
4 years ago
Which of the quadratic expressions is factorable over the integers? select all that apply.
Irina18 [472]

Answer:

16x^2 -36 does factorise

x^2 -6x +36 don't factorise

x^2 -4x +4 does factorise as (x−2)(x−2)

36x^2 +108x +819 does factorise as (2x+3)(2x+3)

25x^2 +30x +36 don't factorise

Hope this helps!

3 0
3 years ago
(3+1/2) ×12. multiple or divide​
taurus [48]

Answer:

(3+1/2) x 12 = 42

Step-by-step explanation:

3 0
3 years ago
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