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Allushta [10]
3 years ago
5

Can someone simplify this expression? 14y – 5(3 – 2y) and explain how you got it.

Mathematics
2 answers:
Tcecarenko [31]3 years ago
6 0
14y - 5(3-2y)
Distribute what's in the parenthesis
14y-  (15+10y)
Combine like terms
24y-15
Paraphin [41]3 years ago
4 0
You first expand the brackets so 
14y-15-10y 
then you put the like terms together  so you do 14y-10y= 4y
4y-15 which is the answer
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Somebody please help me on this?! What is the correct postulate or theorem for this one..
IRINA_888 [86]

Answer:

Segment Addition Postulate

Step-by-step explanation:

In geometry, the Segment Addition Postulate states that given 2 points A and C(in this case S and O), a third point B(in this case R) lies on the line segment AC if and only if the distances between the points satisfy the equation AB + BC = AC.

Meaning for R to lie on the line SO;

SR + RO must be equal to SO

7 0
3 years ago
A culture of 3,000 bacteria quadruples in number every 10 hours. Plt) represents the
Levart [38]

Answer:

P(t) = 3000 * 4^(t/10)

Step-by-step explanation:

There is more than one way to get an exponential function out of the information given.  The way the question is worded, however, seems to suggest the following type of answer:

One general form of the exponential function is y = a·bx, where a is the initial value, and b is the growth or decay factor.  So right away we can say that a = 2300.

Now for the growth factor.  When something is increasing or decreasing by a certain percentage, we are adding or subtracting that percentage to the 100% (which is equal to 1) that exists currently.  So here we're increasing by 11%, or 0.11.  Then the growth factor b is (1 + 0.11), or 1.11.

4 0
3 years ago
11-15 pls help thanks
AlekseyPX
What do I need to solve :)
7 0
3 years ago
I NEED HELPPP WITH THISSS
goblinko [34]

Answer:

\boxed{\boxed{\sf (-20) }}

given - X = (-8).

  • Y = 7
  • Z = (-11)

To find - Value of this equation

Solution-

(-13) -Y

putting the value of y = 7 in the equation

(-13) -7

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3 0
2 years ago
Read 2 more answers
I will upvote and give brainliest answer
Citrus2011 [14]

Answer:

x = 58 degrees

Step-by-step explanation:

Angle K (which is x) and Angle I are congruent corresponding angles with one another, so if, as an example, Angle I was 10, Angle K would also be 10.

<u><em>All you need to do in this case is add Angle H (56) and Angle A (66) together:</em></u>

56 + 66 = 122

<u><em>Then subtract 122 from 180 (because triangles add up to 180 degrees) to get x:</em></u>

180 - 122 = 58

So, x = 58 degrees.

7 0
3 years ago
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