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nika2105 [10]
3 years ago
11

I need help I don’t understand how to do this

Mathematics
2 answers:
hichkok12 [17]3 years ago
4 0

Answer:

your answer is 7 for this problem

tatuchka [14]3 years ago
3 0

Answer:

the missing side is 7

Step-by-step explanation:

30/5=6

24/4=6

42/?=6

42/6=7

?=7

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Students sold books to the local library as a part of a school drive. paper books were brought for $1.45 each. The library spent
nalin [4]

Answer:

213 books

Step-by-step explanation:

Paper books = $1.45 each

$ 1.45 = 1 paper book

$ 1 = 1/1.45 paper book

$98.6 = 98.6/1.45 paper books

$ 98.6 = 68 paper books

Hardback books = $ 2.25 each

$2.25 = 1 Hardbook

$1 = 1/2.25 hardbook

$ 328.10 = 328.10/2.25 hardbooks

$ 328.10 = 145.822 hard books

Number of books cannot be a decimal number, so the value has to be estimated to a nearer whole number.

$ 328.10 = 145 hard books

Total number of books bought = (145 + 68)books= 213 books (Answer)

4 0
3 years ago
A regular polygon has an exterior angle of 18 degrees how many sides does it have
Ne4ueva [31]
20 because for all regular polygons their exterior angles add up to 360, so 360\18 =20
8 0
3 years ago
Find the midpoint between A and B, given that A=(-1,5) and B=(-3,-7)
Kamila [148]
Hello here is a solution :
<span> midpoint between A and B,is :C( (Xa+xb)/2; (ya+yb)/2)
C( (-1-3)/2;(5-7)/2)
C(-2 ; -1)</span>
6 0
3 years ago
For the question, calculate the slope of a line that passes through the points given. Remember to reduce all fractions to lowest
Afina-wow [57]

Answer:

the answer is 2 or 2/1 hope this helps

3 0
2 years ago
Read 2 more answers
How do you simply 3x-7+9-2x=x+2
Gre4nikov [31]

Answer:

x+2=x+2

Step-by-step explanation:

Combine like terms

3x+(-2x) and (-7)+9

x+2=x+2

7 0
3 years ago
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