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Vladimir79 [104]
3 years ago
13

Worth 30 points !!!!!

Mathematics
2 answers:
juin [17]3 years ago
8 0
The answer should be a
Sphinxa [80]3 years ago
4 0

Answer:

a

Step-by-step explanation:

the line model shows 2 halfs of 4/10

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Pls help me calculate the inverse of y equals 2x over x-7
NeTakaya
Y = 2x/x-7

x = 2y/y-7

xy - 7x = 2y

-7x = 2y - xy

-7x = y(2-x)

y = -7x / 2-x

y = 7x / x-2


f-¹(x) = 7x / x-2

5 0
3 years ago
Find the ordered pair whose x-coordinate is 5. 4x=6y+8
sukhopar [10]

(6, 2 )

substitute x = 5 into the equation and solve for y

6y + 8 = 20 ( subtract 8 from both sides )

6y = 12 ( divide both sides by 6 )

y = \frac{12}{6} = 2

the ordered pair is (5, 2 )


6 0
3 years ago
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Please answer this, I need help ​
frutty [35]

Answer:

-$7

Step-by-step explanation:

20 - 15 = 5

5 + 5 = 10

10 - 10 = 0

0 - 7 = -7

8 0
3 years ago
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Mr. Allen needs 100 mL of a solution that is 30% vinegar, 15% lemon juice, and 55% water. How much of solution A will mr.Allen
BartSMP [9]

Answer:

30 mL

Step-by-step explanation:

Mr. Allen needs 100 mL of a solution that is

  • 30% vinegar,
  • 15% lemon juice,
  • 55% water.

Thus, there are

100\cdot 0.3=30\ mL of vinegar,

100\cdot 0.15=15\ mL of lemon juice,

100\cdot 0.55=55\ mL of water.

6 0
3 years ago
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Tiffany wants to buy a sweater with a selling price of $187. Today, the sweater is on sale for 31% off. What is the markdown? Wh
Akimi4 [234]
The sale price would be $129.03
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3 years ago
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