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Marianna [84]
3 years ago
15

What is the scale factor?

Mathematics
2 answers:
erastova [34]3 years ago
6 0

Answer:

4

Step-by-step explanation:

2 x  4 = 8

4 x 4 = 16

So SF = 4 (enlargement)

KengaRu [80]3 years ago
4 0
Scale factor in this question is 4
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Which expressions are equivalent to 2(b+3c)2(b+3c)2, left parenthesis, b, plus, 3, c, right parenthesis ?
lianna [129]

Answer:

<h2><em>B. (b+3c)+(b+3c) </em></h2><h2><em>C. </em><em>2(b)+2(3c)</em></h2>

Step-by-step explanation:

Given this expression 2(b+3c), its equivalent expression is derived by simply opening up the bracket as shown below;

Open the parenthesis by multiplying the constant outside the bracket with all the variables in parenthesis.

= 2(b+3c)

=  2(b)+ 2(3c)

= 2b +2*3*c

= 2b +6c

It can also be written as sum of b+3c in 2 places i.e (b+3c)+(b+3c) because multiplying the function b+3c by 2 means we are to add the function by itself in two places.

<em>Hence the equivalent expression are (b+3c)+(b+3c) and 2(b)+2(3c) or 2b+6c</em>

6 0
3 years ago
Is the square root of 245 rational or irrational
Paraphin [41]

Answer:

The square root of 245 is a rational number

Step-by-step explanation:

The square root of 245 is about 15.9, or rounded: 16. 16 is not an irrational number.

5 0
3 years ago
What number needs to be added to both sides of the equation in order to complete the square?
Sever21 [200]

x^2+14x = (x+7)^2

7^2 = 49

so you would add 49 to both sides

5 0
3 years ago
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you can buy a 47 pound bag of flour for $11 or you can buy a 1 pound bag of flour for $0.45. Compare the per pound cost for the
crimeas [40]

Answer:

Step-by-step explanation:

$11/ 47 pound = $0.234 for 1 pound

the cost of buying 47 pound for 11 dollars is cheaper than to buy individual 1 pound bag for 0.45.

7 0
3 years ago
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40 points !! Please help, If you wanna do the work then i'll give brainliest but you dont have to. DO NOT!! I REPEAT DO NOTT!! D
alexgriva [62]

Answer:

going from left to right

Step-by-step explanation:

1. 7/12          2. 4  3/4

3. 1 25 /44       4. 1 1 /2

5. 1  41 /88     6. 2 1/3

6 0
3 years ago
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