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dexar [7]
3 years ago
10

What makes this question wrong?: When you divide a number by

Mathematics
2 answers:
Mazyrski [523]3 years ago
3 0
The answer is 
B) Twice the original number. Why? because you said.
const2013 [10]3 years ago
3 0
The answer is B because when you divide by 2 you get half of the number. But when you divide by 1/2 you do the opposite, so you multiply by the reciprocal.
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Convert to an improper fraction. Type in your answer with the negative in the numerator. -11 1/3
vovangra [49]
The answer to the question is :

-11*3+1/3
=-33+1/3
= -32/3

Therefore, answer = -32/3
                                 


6 0
3 years ago
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On a map, 1/2 inch represents 4/5 mile. What distance on the map represents 1 mile? ​
NNADVOKAT [17]

1/2 / 4/5 = 1/2 *5/4 = 5/8

 answer is 5/8 in.

4 0
3 years ago
Johnny went to an apple farm to pick some apples. The admission to get in was $5.00 and the apples cost $0.75 per pound.
sasho [114]

Answer:

y=0.75x+5

Step-by-step explanation:

It would be this equation because you start at 5, which is the y-intercept, then you add 0.75 for every pound of apples. So on a graph you would start at 5 on the y-line then go up by 0.75

6 0
3 years ago
The hand spans, to the nearest cm, of some students in a class are shown below: 19, 22, 21, 15, 18, 22, 17, 19, 16, 21, 19, 18,
Greeley [361]
Your Answer is D, delete 1 dot on 21.
7 0
3 years ago
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Which equation is equivalent to √x^2+81 = x+10
jeka57 [31]

Keywords:

<em>equation, operations, equivalent, binomial, square root </em>

For this case we have an equation in which we must apply operations to rewrite it in an equivalent way. We must start by raising both sides of the equation to the square. Thus, we eliminate the square root of the left side of equality and finally solve the binomial of the right side of equality.

So we have:

\sqrt {x ^ 2 + 81} = x + 10\\(\sqrt {x ^ 2 + 81}) ^ 2 = (x + 10) ^ 2\\x ^ 2 + 81 = (x + 10) ^ 2

By definition:(a + b) ^ 2 = a ^ 2 + 2ab + b ^ 2

x ^ 2 + 81 = x ^ 2 + 2 (x) (10) + (10) ^ 2\\x ^ 2 + 81 = x ^ 2 + 20x +100

Thus, x ^ 2 + 81 = x ^ 2 + 20x +100 is equivalent to \sqrt {x ^ 2 + 81} = x + 10

Answer:

x ^ 2 + 81 = x ^ 2 + 20x +100

Option D

4 0
3 years ago
Read 2 more answers
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