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Free_Kalibri [48]
3 years ago
15

Evaluate the expression. 20 + 3 (8 – 5)

Mathematics
1 answer:
mylen [45]3 years ago
6 0

Answer:

29

Step-by-step explanation:

  • 20 + 3(8-5)
  • 20 + 3(3)
  • 20 + 9
  • 29
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What is the total amount of 2/5+5/3+9/3 and the lowest common denominator?
gregori [183]

The lowest common denominator is lcm(5, 3), which is 15.

The sum of 2/5 + 5/3 + 9/3 is 6/15 + 25/15 + 45/15, which is 76/15 or 5\frac{1}{15}.

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3 years ago
I need help on math ​
Viefleur [7K]

Answer:

its the first one

Step-by-step explanation:

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2 years ago
What is the slope of the line given (1,1) and (0,0)
yaroslaw [1]

The slope of the line passing the points (1, 1) and (0, 0) is 1

<h3>Slope of a line</h3>

The formula for calculating the slope of a line is expressed as

Slope = y2-y1/x2-x1

Given the coordinate points (1, 1) and (0, 0)

Substitute the given coordinate points

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Learn more on slope of a line here: brainly.com/question/3493733

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3 0
1 year ago
A botanist is using two types of plants for an experiment. She writes inequalities to model the constraints on the number of eac
Valentin [98]
The vertex (5,39)

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(5,39) vertex means that  <span>Buying five of each type of plant costs $39, which is the lowest possible cost.</span>
3 0
3 years ago
Read 2 more answers
Prove that there exists a unique real number solution to the equation x3 + x2 − 1 = 0 between x = 2/3 and x=1
ziro4ka [17]
Replace each of the x values given to see if they give 0. 

0=(2/3)³+(2/3)²-1 
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0≠-0.259

0=(1)³+(1)²-1 
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Therefore, you can see that the solution would have to be between 2/3 and 1.

Hope I helped :) 
7 0
3 years ago
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