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MrRa [10]
3 years ago
8

Deana bought 12 packages of batteries. Some of the packages contained 4 batteries and some contained 6 batteries. She bought a t

otal of 62 batteries. How many packages did Deanna buy that contained 6 batteries?
Mathematics
1 answer:
NARA [144]3 years ago
7 0

Answer:

She bought 7 battery packs containing 6 batteries

Step-by-step explanation:

4bx5= 20 batteries

6bx7=42 batteries

42+20=62

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Tree times the sum of ten and a number is 25. What is the number? <br><br> (Fraction)
ella [17]

Answer:

Step-by-step explanation:

3(10+n) = 25

30 +3n =25

30-30 and 25-30=

3n=-5

3/3 and 5/-3

6 0
3 years ago
Read 2 more answers
It's the 2nd question I know how it is done ....sum and product method but the root is confusing me can any one explain me plz
weeeeeb [17]
Hey,
2x^2 + 3root5x + 5
Here the product=10
And,sum=3root5
=>2x^2+2root5x+root5x+5
=>2x(x+root5)+ root5(x+root5)
=>(2x+root5)(x+root 5)

8 0
3 years ago
forty years ago gasoline cost $0.30 per gallon on average. ten years ago gasoline average about $1.50 per gallon. What is the pe
DiKsa [7]
It is as 5x's as much.
<em>$0.30 X 5 = $1.50</em>
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3 0
3 years ago
<img src="https://tex.z-dn.net/?f=2x%5E%7B2%7D%20-%2014x%20%2B%2024" id="TexFormula1" title="2x^{2} - 14x + 24" alt="2x^{2} - 14
s344n2d4d5 [400]

Answer:

Factorized

      =(2x-8)(x-3)

Roots : 4 , 3

Step-by-step explanation:

If it is to factorize :

2x^2 - 14x + 24 = 2x^2 -6x-8x +24

                     =2x(x-3)-8(x-3)\\=(2x-8)(x-3)

If it is to solve for x :

2x^2 -1 4x + 24 = 0\\(2x-8)(x-3)=0\\2x - 8 = 0 \ , \ x - 3 = 0\\2x = 8 \ , \ x = 3\\x = 4 , 3

6 0
2 years ago
An equation is written to represent the relationship between the temperature in Alaska during a snow storm, y, as it relates to
natita [175]
Snow storm= y-axis
Time in hours=x-axis
6 0
3 years ago
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