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ryzh [129]
3 years ago
13

Determine whether the following expressions are equivalent to 8/7(21+42b)

Mathematics
1 answer:
Elina [12.6K]3 years ago
6 0
8(21+42b)/7

8(21+42b) = 168 + 336b

(168 + 336b)/7 = (24+ 48b)
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Express 7. 66 repeating as a ratio of two integers.
OverLord2011 [107]
Method A: 7.6666.... = 7 + 0.6666... = 7 + 2/3 = 21/3 + 2/3 = 23/3

Method B: 10(7.666...) - 1(7.666...) = 76.666... - 7.666... = 69.000...
(10 - 1)(7.666...) = 69
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5 0
3 years ago
Math question down below
kramer
X + 4/5 = 11
x = 11 - 4/5
x = 55/5 - 4/5
x = 51/5 or 10 1/5

or u can do it this way..
x + 4/5 = 11.....multiply everything by common denominator of 5
5x + 4 = 55
5x = 55 - 4
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x = 51/5 or 10 1/5
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3 years ago
BRAINLIEST, THANKS AND 5 STARS IF ANSWERED BOTH CORRECTLY
ratelena [41]

Answer:

Numer 1

A) (-5, -4), (-4, -3), (-3, -2), (-2, -1) Is a function

Number 2

C) (-5, -1), (-2, -1), (1, -1), (4, -1) is a function

6 0
3 years ago
Read 2 more answers
What is <br> Sinx =125/500
Anastasy [175]

Answer:

14.4775121859299

Step-by-step explanation:

sinx = 125/500

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or, x = arcsin(1/4)

5 0
3 years ago
Janice needs 3 gallons of lemonade for a party. She has 4 quarts, 6 pints, and 4 cups of lemonade already made. How much more le
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4 quarts is 1 gallon
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