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Dvinal [7]
3 years ago
9

Edward had a lump of play doh that was 2 1/2 inches long. If he stretched it out to 3 times its current length how long would it

be
Mathematics
2 answers:
GarryVolchara [31]3 years ago
6 0
It would be 7.5 inches
Arturiano [62]3 years ago
4 0

Answer:

the answer would be 7.5 inches long or 7 1/2 inches long

Step-by-step explanation:

2.5 multiplied by 3

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Rewrite each expression as a polynomial in standard form.a)(x+i)(x-i)b)(x+5i)(x-5i)
Nitella [24]

Answer:

a) x² +1

b) x² +25

Step-by-step explanation:

a) (x+i)(x− i)

   = x² - ( i ) x + ( i ) x - ( i)²

   = x² -  i²                       ∵ i² = -1

   = x² -  (-1)

   = x² +1

b) (x+5 i)(x− 5i)

 = x² - ( 5 i ) x + ( 5 i ) x - ( 5 i)²

   = x² - 25 i²                       ∵ i² = -1

   = x² -  25(-1)

   = x² +25

we can also solve

using identity

   (a + b)(a - b) = a² - b²

   = (x+5 i)(x− 5i)    

   = x² - (5 i)²

   = x² - 25 i²

   = x² +25

8 0
3 years ago
Which table represents a linear function?
mars1129 [50]

o 16 30 one

as it forms a pattern

8 0
2 years ago
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Multiply: (5t-4)(4t+5) what is the product
GenaCL600 [577]
20t^2+9t-20 is the answer
7 0
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Convert the expression 92/7 into a decimal number (divided out to the thousandths place).
scoundrel [369]

Answer:

13.8571428571 or 13.857

Step-by-step explanation:

97/7 or 9 7/7 cuz if so its 10

3 0
3 years ago
Use the least common denominator to write an equivalent fraction for each fraction.
nydimaria [60]

Answer:

Step-by-step explanation:

32/48

18/48

16/24

9/24

5 0
2 years ago
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