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Gennadij [26K]
3 years ago
11

Enter an expresion equivalent to (5x – 6y + 7) - (-x + 5y - 8)

Mathematics
1 answer:
lapo4ka [179]3 years ago
6 0
(3x - 8y + 7)-(-x + 7y - 6)
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Can anyone please help with these 2 questions. If you can, please show step-by-step.
valentinak56 [21]

Answer:

1. x = 21

2. m∡ABC =  51°

Step-by-step explanation:

First problem, solve for x

the sum of inside angles of a triangle is 180

also the supplementary angle for L = 180 - 100 is 80°

now you can add all angles

80 + 2x - 11 + 2x + 27 = 180

4x + 96 = 180

4x = 84

x = 21

Second problem, solve for m∡ABC

the sum of inside angles of a triangle is 180

also the supplementary angle for C = 180 - 148 is 32°

now you can add all angles

31 + 2x - 15 + x - 5 = 180

3x + 12 = 180

3x = 168

x= 56,

now solve for  m∡ABC = (x - 5)° = (56 - 5)° = 51°

8 0
3 years ago
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A cube root is a number that can be written as the cube of an_____
Lyrx [107]

Answer:

A number <u>X</u>

Step-by-step explanation:

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3 years ago
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A kitten's weight increase by 12% each week for 4 mouths the little currently weighs 2.6 pounds which will not calculate how muc
krok68 [10]

Answer:

a. 2.6(0.12)

Step-by-step explanation:

Check all of the other answers: b. c. and d. are variations of equations that equal to 2.912. 2.6(0.12) is not the correct equation because it equals to 0.312. The kitten‘s weight must increase, so that is the incorrect equation.

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3 years ago
Every 3 Days Marco fills up his car with gas. Every 3 Days he washes his car. On what day will Marco fill his car and wash it.
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The answer is Thursday and Sunday hope this helps :D
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erik [133]

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A

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the graph shows It's the 3rd tallest

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