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nataly862011 [7]
3 years ago
11

Y = x2 + 12x + 30 8x − y = 10

Mathematics
1 answer:
MArishka [77]3 years ago
3 0

Answer:

Step-by-step explanation:

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| 2p -1 | =45, what are the values of p?
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Answer:

p = 23       and p = -22

Step-by-step explanation:

| 2p -1 | =45

Absolute value equations have 2 solutions, one positive value and one negative

2p-1 = 45    and 2p-1 = -45

Add 1 to all sides

2p-1+1 = 45+1    and 2p-1+1 = -45+1

2p = 46                        2p = -44

Divide by 2

2p/2 = 46/2    and   2p/2  = -44/2

p = 23       and p = -22

5 0
3 years ago
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Your local volunteer group is making t-shirts. The shirt printers charge $35 to make the first t-shirt and $11 to make each addi
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We are to find the number of t-shirt the group can buy given $250

Cost of first t-shirt = $35

<em>Cost of each additional t-shirt</em> = $11

<em>Total amount with the group</em> = $250

<em>number of t-shirt the group can buy</em> = x

The equation:

<em>250 = 35 + 11x</em>

250 - 35 = 11x

215 = 11x

divide both sides by 11

x = 215/11

x = 19.5

The group can not buy a decimal number of t-shirt.

x will be rounded down to 19

Therefore,

the total number of t-shirt the group can buy is 1 + 19

= 20 t-shirt

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3 0
3 years ago
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