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rewona [7]
3 years ago
8

What is the answer to x + 2 = 9

Mathematics
2 answers:
weqwewe [10]3 years ago
7 0
Add -2 on the both sides
x+2-2=9-2
x=7
Irina18 [472]3 years ago
5 0

Answer:

x=7

Step-by-step explanation:

subtract 2 from both sides

x+2-2=9-2

x=7

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A shop has a sale that offers 20% off all prices.On the final day reduce all the sale prices by 25%.Linz buys a radio on the fin
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Answer:

40%

Step-by-step explanation:

Original price = x

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20% / 100 = 0.2 to convert from a percent to a decimal

Sale = x - 20% of x = x - 0.2x = 0.8x

Sale price = y = 0.8x

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Reduction = y - 25% of y = y - 0.25y = 0.75y

End price in terms of original price (x):

0.75y = 0.75(0.8)x

          = 0.6x

End price = 0.6 or 60% of original price, coming out to a 100-60 = 40% overall percentage reduction

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2 years ago
One-half of one-seventh of T equals one-third of one-fifth of 90. What is the value of T
butalik [34]

Answer:

Step-by-step explanation:

This is the equation. Read it carefully.

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(1/14)*T = 6                          Multiply both sides by 14

T = 14 * 6

T = 84

3 0
2 years ago
What is 1/100 of 605
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5 0
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Answer:

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Step-by-step explanation:

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