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artcher [175]
3 years ago
5

O

Mathematics
2 answers:
zhannawk [14.2K]3 years ago
7 0
This answer is B. -8
jekas [21]3 years ago
6 0

Answer:

b= -8

Step-by-step explanation:

we have: 3y +12 = 6x <=> y + 4 = 2x <=> y= 2x - 4

=> 2y=4x + b

<=> 2(2x-4) = 4x +b

<=> 4x - 8= 4x +b

<=> b = -8

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Simplify the expression by combing all like terms x +2 + x + 2 + x
sergeinik [125]

Answer:

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Step-by-step explanation:

2 + 2 = 4

Add the three x's together and you get 3x!

Hope this helps! ^^

5 0
3 years ago
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What is the surface area of the rectangular prism described by the net below?
dimaraw [331]

Answer:

758

Step-by-step explanation:

758 is the answer sheesh

6 0
3 years ago
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Write in numeral form 4*100+2*10+8(6*1/10) +(1*1/100)
Mice21 [21]

Answer:428 7/100

Step-by-step explanation:

5 0
3 years ago
Nathan deposited 7/9 of his allowance into his savings account. He spent the remaining amount, or $2.50. How much did Nathan dep
kati45 [8]
Let us assume that total amount of Nathan's allowance = x
Amount of money deposited by Nathan into his savings account = 7x/9
Remaining amount that Nathan spent = $2.50
Now we have to get to the equation for solving the question asked.
7x/9 + 2.50 = x
7x + (9 * 2.50) = 9x
7x + 22.50 = 9x
22.50 = 9x - 7x
22.50 =2x
x = 22.50/2
   = 11.25
So $11.25 is the total allowance of Nathan.
Then The amount of money deposited by
Nathan in savings account = (7/9) * 11.25
                                           = 78.75/9
                                           = 8.75
So Nathan deposits $8.75 in his savings account.
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5 0
3 years ago
Can someone help me with number 6 answer is not B I’m not sure what is I need help plzzzzz
fgiga [73]

Answer:

Its D

Step-by-step explanation:

5 0
3 years ago
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