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pickupchik [31]
3 years ago
13

What is the image of (-1, 1) after a dilation of 2? (1,3) (-2, 2) (2, 2)

Mathematics
1 answer:
Amanda [17]3 years ago
5 0
The answer is b. (-2,2)

Since it is a dilation of 2, multiply each number by 2.

-1*2=-2
1*2=2

So after the dilation, it would be (-2,2)
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How many solutions does 5(x-3)+6=5x-9 have?​
bixtya [17]

Answer:

infinite solutions

Step-by-step explanation:

distribute--- 5x-15+6=5x-9

simplify--- 5x-9=5x-9

4 0
3 years ago
I really need help on this question <br>7+4÷5b=9÷10b
DerKrebs [107]

The answer is I believe b=70

5 0
3 years ago
Help please..! I need the answer to this thank you.
torisob [31]

1. The additive identity is 0. This is because adding 0 to anything leads to the same value. Example: 0+3 = 3.

2. An equation is where you have two expressions separated by an equal sign. In your case it would be "a mathematical sentence whose verb is 'equal' (=)"

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4. An open sentence is an equation that contains one or more variables. An example would be x+2 = 4. The reason why we call it open is because the true or false nature of the sentence is up in the air until we know what x is. If we knew that x = 3 for instance, then x+2 = 4 would be false since 3+2 = 4 is false. If we nailed down what x was then it would go from open to closed.

5. The symmetric property is that if a = b then b = a. Think of a mirror how the image reverses.

8 0
3 years ago
Can someone help me pls
qaws [65]

Answer:Example1: 2 and 2 1/2

The mark that is closest to the right end of the glue stick is for 2 1/2 inches.

Answer on last part is 2 1/2 inches

Example 2: 1 2/4 and 1 3/4

The mark that is closest to the right end of the paper clip is for 1 3/4

Answer on last part is 1 3/4

Step-by-step explanation: the ruler is split into halves and fourths between the whole numbers the longer lines are halves shorter are fourths.

5 0
3 years ago
The number of lines formed by 4 points, no three of which are collinear, is ____. A.5 B.4 C.6 D.3
djverab [1.8K]
Use the formula
n(n-1)/2

which is the total number of connections between n points

So,
4(3)/2   = 6

the answer is option C.

Hope this helps
6 0
3 years ago
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