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Flauer [41]
3 years ago
9

Max sold one third of his old stamps to buy 6 new stamps. He now has 15 stamps. How many did he start with?

Mathematics
2 answers:
velikii [3]3 years ago
4 0
Answer: 9 1/3

Explanation:
Let total no. Be ‘x’

X - 1/3 + 6 = 15

X - 1/3 = 15 - 6
= 9
X = 9 + 1/3
X= 9 1/3

Nonamiya [84]3 years ago
3 0
The answer is 9 1/3 tip if you search quizlet it tells you the answer :)
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luda_lava [24]

Answer:

(2, 22 )

Step-by-step explanation:

Given the 2 equations

y = 7x + 8 → (1)

y = x + 20 → (2)

Substitute y = 7x + 8 into (2)

7x + 8 = x + 20 ( subtract x from both sides )

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

6x = 12 ( divide both sides by 6 )

x = 2

Substitute x = 2 in (2) for corresponding value of y

y = x + 20 = 2 + 20 = 22

Solution is (2, 22 )

7 0
3 years ago
Christina went to the salon and had 5/8 of an inch of hair cut off. The next day she went back and asked for another 5/8 of an i
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Here you'll want to add 5/8 with 5/8.  Since they have the same denominator already then 5/8+5/8 = 10/8.  Simplifying that down to 5/4 then changing to a mixed number is 1 1/4 inches.
3 0
3 years ago
Sin10°-cos10° product and evaluate​
Montano1993 [528]

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sin 20 cos 10 + cos 20 sin 10

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6 0
2 years ago
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Use the distributive property to evaluate each expression <br> 4(8-7), 4(x-6y), 6(5-q), (d+2)(-7)
Whitepunk [10]

Answer:

Rewrite the expression 10(15 – 6) using the distributive property of subtraction.

A) 10(6) – 10(15)

B) 10(9)

C) 10(6 –15)

D) 10(15) – 10(6)

Show/Hide Answer

A) 10(6) – 10(15)

Incorrect. Here a greater number would be subtracted from a lesser number, and the answer would not be a whole number. The correct answer is 10(15) – 10(6).

B) 10(9)

Incorrect. The numbers in parentheses were subtracted before the number 10 could be distributed. The correct answer is 10(15) – 10(6).

C) 10(6 –15)

Incorrect. You probably used the commutative law instead of the distributive property. The correct answer is 10(15) – 10(6).

D) 10(15) – 10(6)

Correct. The 10 is correctly distributed so that it is used to multiply the 15 and the 6 separately.

Step-by-step explanation:

7 0
2 years ago
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Hitman42 [59]

Answer: -13

Step-by-step explanation:

= 4*(1/4) - 8(2-1/4)

= 1-8(7/4)

= 1-14

= -13

6 0
2 years ago
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