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sukhopar [10]
4 years ago
14

Which two scientists worked together to develop a tree-dimensional model of dna

Mathematics
2 answers:
Zinaida [17]4 years ago
8 0

Answer:

The three-dimensional structure of DNA was first proposed by James Watson and Francis Crick in 1953. It is one of the most famous scientific discoveries of all time.

lakkis [162]4 years ago
4 0

Answer:

James Watson and Francis Crick in 1953

Step-by-step explanation:

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Kruka [31]
Minus 1 both sides
x²-8x=-1

take 1/2 of the linear coefient and square it
-8 is the linear coefient
-8/2=-4, (-4)²=16
add 16 to both sides

x²-8x+16=16-1
factor perfect squaer trinomial
(x-4)²=15
square root both sides, remember to take positive and negative roots
x-4=+/-√15


not exactly sure what to put in the blnaks

but
the solutions are x=4+√15 and x=4-√15
5 0
3 years ago
What is the common ratio for the sequence 1, 4, 16, 64
Yuliya22 [10]
The common ratio is 4.
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3 years ago
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WILL GIVE BRAINLIST!!!!! Select the correct answer. Which graph represents this function? f (x) = 1/2x -5 A. B. C. D.
Contact [7]

Answer:

B

Step-by-step explanation:

The y-int. is -5 like the equation and the slope is positive

8 0
3 years ago
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Solve for t.<br> 16 - 2t =t+9+4t
miv72 [106K]

Answer:

t = 1

Step-by-step explanation:

16 - 2t = t + 9 + 4t

Group like terms

16 - 2t = t + 4t +9

Add similar elements t + 4t = 5t

16 - 2t = 5t + 9

Subtract 16 from both sides

16 - 2t - 16 = 5t + 9 - 16

Simplify

-2t = 5t - 7

Subtract 5t from each side

-2t - 5t = 5t - 7 - 5t

Simplify

-7t = -7

Divide both sides by -7

-7t/ -7 = - 7/ - 7

Simplify

t = 1

5 0
4 years ago
In the diagram, how many circles are there for each square?
notsponge [240]
The answer would be be B)2. The ratio of circles to squares is 2 to 1
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