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agasfer [191]
3 years ago
11

Define a variable and write an expression for the phrase. 8 minus a number

Mathematics
2 answers:
soldier1979 [14.2K]3 years ago
6 0
8-x would be the equassion
Reil [10]3 years ago
5 0
Since it is just an expression the answer is 
8-x
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Viktor [21]
11.22 is 33% of 34 if that is what youre asking
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3 years ago
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Find the value of x and y
Yakvenalex [24]

Answer:

x = 80, y = 122

Step-by-step explanation:

I got this equation by using vertical angles to create a complimentary angle pair (they sum to 90 degrees).

3/4x+2/5x-2=90°,

23/20x - 2=90°,

23/20x = 92°,

92/(23/20)

20/(1/4)

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= 80.

Since the angles are a linear pair on the left side(they sum to 180 degrees). Just subtract 180 from 3/4x-2 and substitute x into the expression.

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3 years ago
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Someone help?!.........
koban [17]
Answer: y = -2x + 16

Explanation:

Use point slope form:

(y1 - y) = m(x1 - x)

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5 0
2 years ago
4. Seven times the difference of a number k and five is twenty-onel
laila [671]

Answer:

k = 8

Step-by-step explanation:

7(k - 5) = 21

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Hope this helps!

4 0
2 years ago
3/4x+3-2x= -1/4+1/2x+5<br> What is the value of x
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Step-by-step explanation:

3/4x+3-2x=1/4+1/2x+5

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2 years ago
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