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viktelen [127]
3 years ago
12

Which shows a difference of squares?

Mathematics
1 answer:
VLD [36.1K]3 years ago
7 0
It is the third one: 8 c squared minus 40 x + 25
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Simplify the following:<br>A) 3² x 3² <br>B) 7 x 7⁴<br>C) 10⁹ ÷ 10⁷<br>D) 5⁸ ÷ 5<br>​
Rus_ich [418]

Answer: A)  81

B)  16807

C)  100

D)  78125

Step-by-step explanation:

A) = 3^4 or 81

B) = 7^5 or 16807

c)  = 10^2 or 100

D) = 5^7 or 78125

8 0
3 years ago
Use the substitution method to solve the following system of equations:
antiseptic1488 [7]
The answer is (1,1). If you need an explanation why I will be happy to help :)
4 0
3 years ago
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A vender is loading candybars into a vending machine. Each slot holds 130cm of candy barsand each candy bar is 1.5cm thick, how
elena-14-01-66 [18.8K]

Answer:

86

Step-by-step explanation:

since the slot is 130 cm thick you divide that by the thickness of the candy bar 130/1.5 and then you get 86.6666666.....which rounds to 86 because the slot is not thick enough for another candy bar. good luck on whatever you needed this for!

8 0
3 years ago
A box of chocolates was shared evenly between 5 people. Each person received 4 chocolates.
posledela

Answer:

20

Step-by-step explanation:

5x4=20

plz give me a thx! IF I HELPED :)

3 0
3 years ago
What is the lower quartile of the following set? 28, 45, 12, 34, 36, 45, 19, 20 28.5 19.5 19 28
aleksandr82 [10.1K]
To find the lower quartile take the number of terms=n=12
to find the lower quartile take the equation (n+1)/4= 3.25
this means that the lower quartile will be at the 3.25th position int he sequence when all the terms are ordered from smallest to largest. so when ordered: 12  19  19  19.5  20  28  28   28.5   34   36   45   45
so the lower quartile is between 19 and 19.5 exactly 19.125
5 0
3 years ago
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