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ziro4ka [17]
3 years ago
8

Circle the step where the error has occurred. Explain why it is an error and what should have been done to solve the problem cor

rectly. (6 points)
Given
Step 1: Distribute | 2(10−13)+9=−34+60
Step 2: Combine like Terms |20−26+9=−34+60
Step 3: Subtraction Property of Equality | 20−17=−34+60
Step 4: Addition Property of Equality | −17=−34+40
Step 5:Division property of equality. | −51=40
=−51/40
Mathematics
1 answer:
NikAS [45]3 years ago
7 0

The did not combine like terms correctly.

Step SHOULD'VE went like this:

20-26=-6 & -34+60=26

-6+9=3

3=26

Divide!

3÷3=0 ⇒26÷3=8.6666.....

          or (rounded)

the answer would be 8.7

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2. (5, -5)

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4. (2, 4)

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3 years ago
Which statement is true about the function f(x) =
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What are the options?
8 0
3 years ago
Matthew is packing 120 pencils and 108 notebooks
Rasek [7]

9514 1404 393

Answer:

  • 12 boxes
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Step-by-step explanation:

a) The number of boxes will be the greatest common divisor (GCD) of the numbers 120 and 108. That number is 12.

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Matthew can make 12 boxes with equal numbers of the items.

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b) 120 pencils divided by 12 will be 10 pencils per box.

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<em>Additional comment</em>

It helps to be familiar with multiplication tables up to about 12×12.

The GCD can always be found using Euclid's algorithm. Look at the remainder when the larger number is divided by the smaller. If it is not zero, then replace the larger number with the remainder and repeat. If the remainder is zero, the divisor is the GCD.

Here, we have ...

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7 0
3 years ago
is vector v with an initial point of (-5,22) and a terminal point of (20,60) equal to vector u with an intintal point of (50,120
marta [7]

Answer:

Yes, vectors u and v are equal.

Step-by-step explanation:

We need to check whether vectors u and v are equal or not.

If the initial point is (x_1,y_1) and terminal point is (x_2,y_2), then the vector is

Vector=(x_2-x_1)i+(y_2-y_1)j

Vector v with an initial point of (-5,22) and a terminal point of (20,60).

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From (1) and (2) we get

\overrightarrow u=\overrightarrow v

Therefore, vectors u and v are equal.

5 0
3 years ago
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