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DiKsa [7]
2 years ago
9

Prove whether or not 169 is a perfect square.

Mathematics
1 answer:
Olegator [25]2 years ago
6 0
Because 13 * 13 = 169
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Which of the following xpressions is equivalent to -1/4 - 5/3? -1/4 + (-5/3) or - 1/4 + 5/3?
Nadusha1986 [10]
-1/4 + (-5/3)

When there is no number between a grouping symbol and a + or - sign, by default you can multiply the contents in the group by 1 to get rid of the grouping symbols.
5 0
3 years ago
Carry out the following division.​
kifflom [539]

Answer:

1: 8a²

2: 9a²b²c²

Step-by-step explanation:

1: 48a³ ÷ 6a

48÷6 = 8

8a²

2: 72a³b⁴c⁵ ÷ 8ab²c³

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9a²b²c²

4 0
2 years ago
Read 2 more answers
9/6=x/10 what is x? How to figure it out.
skelet666 [1.2K]

Answer:

x=15

Step-by-step explanation:

(10*9)/6=10*x/10

90/6=x

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4 0
3 years ago
(Writing Two-Step Equations HC) Given the equation 4x + 12 = 64: Part A: Write a short word problem about a purchase made to ill
poizon [28]

Considering the expression 4x + 12 = 64, it is found that:

A. The problem is that you purchased x fried pastry, costing $4, plus a chocolate and a soda, costing $12, and the total purchase cost was of $64.

B. The solution is x = 13.

C. The solution means that you purchased 13 fried pastry.

<h3>Expression</h3>


The expression is presented as follows:

4x + 12 = 64.

A possible context for this problem is:

  • x fried pastry are purchased, each costing $4, hence 4x.
  • A chocolate and a soda purchased, costing a total of 12, hence 4x + 12.
  • The total cost of the purchase was of $64, hence 4x + 12 = 64.

The number of fried pastry purchased is the solution to the equation, calculated as follows:

4x + 12 = 64

4x = 52

x = 52/4

x = 13 -> 13 fried pastry were purchased.

More can be learned about expressions at brainly.com/question/24342899

#SPJ1

5 0
1 year ago
PLZZZZ HELP ASAP on number 5 also show the work out PLEASE!!!
ololo11 [35]
So first you do 2000x+300x=y Then I found that it would be 7 people because it says you have to at LEAST have 14000 and with 7 people you get 16100
7 0
2 years ago
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