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s344n2d4d5 [400]
2 years ago
11

I need helpppp :((((((( 20 marks for this summative

Mathematics
1 answer:
KonstantinChe [14]2 years ago
5 0

Answer:

47v

Step-by-step explanation:

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There are 162 magazines and books in a library. There are 54 more books
Strike441 [17]

Answer:

108 books.

Step-by-step explanation:

Let the number of magazines = m

Let the number of books = b

<u>Given the following data;</u>

Total number of m & b = 162

<em>Translating the word problem into an algebraic equation, we have;</em>

b = m + 54 ......equation 1

m + b = 162 ......equation 2

<em>Substituting equation "1" into equation "2" we have;</em>

m + m + 54 = 162

2m + 54 = 162

2m = 162 - 54

2m = 108

m = \frac {108}{2}

m = 54

Now to find the number of books;

b = m + 54

Substituting the value of "m" into the equation, we have;

b = 54 + 54

<em>b = 108</em>

<em>Therefore, the total number of books in the library is 108 books. </em>

7 0
3 years ago
What is the distance of -a and a?
melamori03 [73]

Step-by-step explanation:

Distance = positive value

a + a = 2a

6 0
3 years ago
Read 2 more answers
Which expression uses the associative property to make it easier to evaluate? (50points)
Naily [24]

The correct answer is option 4: (8.\frac{1}{4}).\frac{3}{5}

Step-by-step explanation:

Given expression is:

8.(\frac{1}{4}.\frac{3}{5})

The associative property states that for any three terms that are being multiplied, different order of multiplication (i.e. which two terms are multiplied first) will give the same answer.

Let a,b and c be the three terms

then

a.(b.c) = (a.b).c

So applying the associative property on given expression

8.(\frac{1}{4}.\frac{3}{5}) = (8.\frac{1}{4}).\frac{3}{5}

Hence,

The correct answer is option 4: (8.\frac{1}{4}).\frac{3}{5}

Keywords: Associative property, Properties

Learn more about associative property at:

  • brainly.com/question/9729310
  • brainly.com/question/9738996

#learnwithBrainly

5 0
3 years ago
56 divided by 7 jdjcjdjdjdjfjjfhfjfhfjfhfufgdjssgjsjshsjwiwh
mrs_skeptik [129]
Its 8.
 
       _08___
   7 /  56
         56
-----------------
          0 <--- Leftover

So the answer is 8! Hope it helps! :D
6 0
3 years ago
HELP FAST I NEED THIS IN 5 MIN 20 POINTS GET IT RIGHT AND I WILL ADD 9
strojnjashka [21]
Yes, 4/8 and 1/2 are equivalent, because 4/8 reduced to simplest form is 1/2.
8 0
2 years ago
Read 2 more answers
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