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olga_2 [115]
4 years ago
12

Which of the following is not the same as positive 8? -|-8| 8 units to the right of 0 on a number line +8 the opposite of -8

Mathematics
1 answer:
mafiozo [28]4 years ago
4 0

Answer:

-|-8| is not the same as positive 8

Step-by-step explanation:

The absolute value is always positive, even for the negative numbers.

So in -|-8|, |-8| will be equal to 8, as the absolute value results in a positive number and thus the final result will be negative due to a negative sign outside the bars.

So, - |-8| = - 8

Thus this value is not equal to positive 8.

Numbers on right of 0 are positive. Thus 8 units to the right of 8 will be positive 8.

Opposite of a number has the opposite sign. So opposite of -8 will be +8.

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a scale drawing of a building needs to be made using the scale 1 in = 190 ft. how tall will the builging in the scale drawing be
Artist 52 [7]

Answer:

\boxed{\text{3 in}}

Step-by-step explanation:

1 in = 190 ft

x in = 570 ft

We can use ratio and proportion to solve this problem.

\begin{array}{cccl}\dfrac{1}{x} & = & \dfrac{190}{570} & \\\\570 & = & 190x & \text{Mutiplied by lowest common denominator (570x)}\\3 & = & x & \text{Divided each side by 3}\\\end{array}

The building will be \boxed{\textbf{3 in}} tall in the scale drawing.

3 0
3 years ago
Amy has a piece of wood that measures 42 inches. The model shows the length remaining after she cut a piece from the 42-inch pie
Hitman42 [59]

Answer:

She has 42 pieces of wood each of 1 inch of length.

Step-by-step explanation:

Amy has 42 inches piece of wood.

She has to cut an inch.

After cutting pieces of inch each she counts the pieces to be 42.

Mathematically

Total length / unit lenght = Number of pieces

42 inches/ 1 inch= 42 pieces.

She has 42 pieces of wood each of 1 inch of length.

6 0
3 years ago
A group of 18 people ordered soup and sandwiches for lunch. Each person in the group had either one soup or one sandwich. !e san
mina [271]
So if the sandwiches cost $7.75 each and the total was $113.50 that would mean that there were 14 sandwiches bought. So 14 times 7.75 is 108.50. 
3 0
3 years ago
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Josh attempted 56 free throws during the basketball season. He made 57 of them. How many free throws did he make?
Scorpion4ik [409]

Answer:

He made approximately 32 free throws.

Step-by-step explanation:

Assuming that there's a typo in the question and that he made 57% of his attempted free throws, then we can solve it as shown below:

We can apply a rule of three in order to calculate the number of free throws he made. This is done as follows:

56 free throws -> 100%

x free throws -> 57%

56/x = 100/57

100*x = 57*56

x = 57*56/100 = 31.92

It can also be solved by transforming the percentage in a fraction such as 57% = 57/100 and then multiplying it by the total attempts.

free throws made = 56*57/100 = 31.92

He made approximately 32 free throws.

7 0
3 years ago
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Lena [83]

Answer:

A = <

B = >

C = >

D = >

Step-by-step explanation:

A

5/6 x 7 = 35/6 = 5.83

B

8/7 x 5 = 40/7 = 5.71

C

9/5 x 3 = 27/5 = 5.4

D

12/11 x 6 = 72/11 = 6.54

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3 years ago
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