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Kamila [148]
3 years ago
12

Michael: (a)(b)(c)

Mathematics
1 answer:
irinina [24]3 years ago
7 0

Answer:

Ladonna: a + c + b

Step-by-step explanation:

-The commutative property in addition states that the order of arrangement of the integers to be added has no effect on their sum such that:

x+y=y+x

-Since the alphabet follows the order a,b, c....

Only Ladonna rearranged to change this order to show the commutative property.

-Hence, Ladonna wrote the expression correctly.

*The commutative property should not be confused with the associative property.

-The latter allows you to change the order and terms within the closed parentheses while retaining the answer.

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Simplify 5(x - 2) - 3x + 7.
WINSTONCH [101]

5(x - 2) - 3x + 7.

First use the distributive property:

5(x-2) = 5x-10

Now you have:

5x - 10 - 3x +7

Now combine like terms to get:

2x - 3

8 0
3 years ago
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The slope-intercept form of an equation is y = mx + b. rewrite the equation in terms of the slope m
PSYCHO15rus [73]

Answer:

m=\frac{y-b}{x}

Step-by-step explanation:

So we have the equation:

y=mx+b

And we want to write it in terms of m.

So, let's subtract b from both sides:

y-b=mx

Now, let's divide both sides by x:

m=\frac{y-b}{x}

And we're done!

3 0
3 years ago
What round object is formed when gas and dust are pulled together by gravity, but before nuclear fusion has begun?
Olin [163]
C. Protostar Hope this helps 
5 0
3 years ago
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Entre Juan, Pedro, María y Luis tienen 62 cartas. Pedro tiene un tercio de las cartas de Juan. María tiene 3 cartas menos que Ju
fenix001 [56]

Answer:

Luis has 30 cards

Step-by-step explanation:

To solve this problem, we need to setup a system of equations.

If we call the amount of cards Juan has "J", Pedro "P", Maria "M" and Luis "L", we have that:

J + P + M + L = 62

P = J/3

M = J - 3

L = 2J

Substituting P, M and L in the first equation, we have:

J + J/3 + J - 3 + 2J = 62

13J/3 = 62 + 3

13J = 65 * 3

J = 15 cards

The amount of cards Luis has is:

L = 2J = 2 * 15 = 30 cards

8 0
3 years ago
PRE-ALGEBRA HELP PLEASE!
Colt1911 [192]

<span><span>PART A) the initial value of the function is 150 at 0 weeks, that means that there are still 150 songs to be downloaded at the beginning.
</span> The rate of change is -30 songs each week, that is because the amount of songs left to be downloaded decrease by 30 each week.</span>

<span><span>PART B:
</span><span> lets use 2 points of the graph p1(0, 150), p2(1, 120)
calculate the slope:
m = (y2- y1)/(x2 - x1) = (120 - 150)/(1 - 0)
m = -30
and now use line equation in form point-slope:
y - y1 = m(x - x1)
y - 150 = -30(x - 0)
y = -30x + 150</span></span>

7 0
3 years ago
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