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Tanya [424]
3 years ago
12

Eight minus two times a number is equal to the number plus 17. Find the number.

Mathematics
2 answers:
GuDViN [60]3 years ago
6 0

Turn it into an algebraic equation.

2x-8=x+7

Combine like terms.

x=15

The number is 15.

navik [9.2K]3 years ago
3 0

the answer is 8-2n=n+17   n=-3

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Maurinko [17]
24y*z^5/32y^2*z

24/32 = 3/4
y/y^2 = 1/y
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8 0
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Line BC is represented by 3x + 2y = 8. Line AD is represented by –3x – 2y = 6. What is the relationship of line BC to line AD? E
igomit [66]

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3 0
3 years ago
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lora16 [44]
-x/2 + 4 > = 6
-x/2 > = 6 - 4
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6 0
3 years ago
The mean score on a set of 17 test is 72. Suppose two more students take the test and score 68 and 63. What is the new mean?
Masja [62]

Answer:

New mean=71.32

Step-by-step explanation:

The expression for the total initial score is;

T=M×S

where;

T=total initial score

M=mean score

S=number in the set

replacing;

T=unknown

M=72

S=17

replacing;

T=72×17=1,224

The total initial score=1,224

Determine the total score by;

total score=total initial score+total final score

where;

total initial score=1,224

total final score=(68+63)=131

replacing;

total score=1,224+131=1,355

Determine the new mean;

New mean=total score/new number

where;

total score=1,355

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replacing;

new mean=1,355/19=71.32

8 0
3 years ago
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Answer:

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(Correct me if I am wrong)

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3 years ago
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