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musickatia [10]
4 years ago
14

Janet was asked to use the distributive property. She noticed she was marked wrong but does not know what step she did incorrect

ly. What step was not done correctly for 2 * 4.79?
Step 1: Decompose decimal: 4 + .7 + .09

Step 2: Place in equation 2(4 + .7 + .09)

Step 3: Multiply 2(4) + .7 + .09= 8

Step 4: Answer: 2(4.79)= 9.58

Step 1
Step 2
Step 3
Step 4
Mathematics
1 answer:
kenny6666 [7]4 years ago
7 0

Answer:

You distribute the 2 to all numbers in the 3rd step

Step-by-step explanation:

DISTRIBUTION: you must distribute the outside number to all the inside numbers in the parentheses.

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10. Which representation of a transformation on a coordinate grid does not preserve orientation? A. (x, y) → (4x, 4y) A. , , , ,
marta [7]

Answer:

D. (x, y) → (x, −y)

Step-by-step explanation:

Transformation is the movement of a point from its initial location to a new location. Types of transformation are reflection, translation, rotation and dilation.

The orientation shows how an object is arranged. Rotation, translation and dilation preserves orientation while reflection does not preserve orientation.

The transformation (x, y) → (4x, 4y) shows the dilation by a scale factor of 4. Dilation preserve orientation.

The transformation (x, y) → (−y, x) shows the rotation of a point 90 degrees counterclockwise. Rotation preserve orientation.

The transformation (x, y) → (14x, 14y) shows the dilation by a scale factor of 14. Dilation preserve orientation.

The transformation (x, y) → (x, −y) shows a reflection over the x axis. Reflection does not preserve orientation.

5 0
4 years ago
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MrRa [10]

Answer:

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6 0
3 years ago
Edgardo has a drink cooler that holds 10 gallons of water. He is filling the cooler with a 1 quart container. How many times wil
yawa3891 [41]
40 times there are 4quarts in each gallon so 4 times 10 gallons
5 0
3 years ago
Read 2 more answers
Solve the system of equations by substitution. (4, -2) (6, 0) no solution coincident
zimovet [89]

Answer:

Step-by-step explanation:

The sum of a triangle's interior angles is 180

. From the figure, we can see that one of the angles is a right angle. The remaining two are x and y. By adding these together, we can equate their sum with 180.

x+y+90=180b

Using the equation found in part A and the given equation, we can form a system of equations.

8 0
3 years ago
Which of the following expressions could represent the total amount withdrawn from Brandon’s checking account during the time pe
den301095 [7]

The Solution:

Given:

Each withdrawal by Brandon = $x

ATM charge per transaction = $2

Required:

To find an expression for Brandon's total withdrawal if he withdraws the same amount once a week for 7 weeks.

Step 1:

We shall find the total amount of each withdrawal, that is, the sum of the amount withdrawn and the ATM charge for the transaction.

\text{ Each withdrawal=x+2=\$(x+2)}

Step 2:

Finding the required total amount, we have:

\text{ Total amount withdrawn=7(x+2)=\$7(x+2)}\begin{gathered} 7(x+2) \\ or \\ 7x+14 \\ \text{ or} \\ 7\mleft(x\mright)+7\mleft(2\mright) \end{gathered}

Therefore, the correct answers are: [options 2, 3, and 4]

6 0
2 years ago
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