Sabrina calculates the cost of a book as $50. The actual price was $56. What is Sabrina's percent error.

1 answer:

7 0

The percentage is 6% cause, she said that the book was $50 but was original $56 , so ...first go by sabrinas cost ( 50 ) and the actual ( 56 ) so think how much was subtracted from the original price? s - 50 .. a- 56. .... 50 + 6 =56 so go by the amount of the price added to the percentage ...6 % is the answer..hoped this helped

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What is 6 times less than 42

Oksana_A [137]

Hello!

Your answer would be 6

Than basically means switching the numbers

So basically if you were to multiply 6 x 6 (6 times less than)

You would get 36. Then subtract.

42 - 36 = 6, which is your answer.

I hope this helps!

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2 years ago

In $\triangle abc$, points $x$ and $z$ are on $\overline{ab}$ and $y$ is on $\overline{ac}$ such that $\overline{xy}\parallel \o

svp [43]

To solve this problem, we must imagine the triangles and parallel lines which are formed. It is best to draw the triangle described in the problem so that you can clearly understand what I will be talking about.

The first step we have to do is to make an equality equation in triangle ABC.

In triangle ABC, we are given that lines XY and BC are two parallel lines (XY || BC). Therefore this means that:

AX / XB = AY / YC ---> 1

The next step is to make an equality equation in triangle AXC.

We are given that lines ZY and XC are two parallel lines (ZY || XC). Therefore this also means that:

AZ / ZX = AY / YC ---> 2

Combining 1 and 2 since they have both AY / YC in common:

AX / XB = AZ / ZX

we are given that:

AZ = 8, ZX = 4 therefore AX = AZ + ZX = 12, hence

12 / XB = 8 / 4

XB = 6