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WINSTONCH [101]
3 years ago
12

Which equations apply the distributive property? Select each correct answer. 70⋅2.028=(70⋅1)+(70⋅0.02)+(70⋅0.008)70⋅2.028=(70⋅1)

+(70⋅0.02)+(70⋅0.008) −2.5⋅0.6⋅5.8=−2.5⋅5.8⋅0.6−2.5·0.6·5.8=−2.5·5.8·0.6 −1.5⋅(6⋅1.25)=(−1.5⋅6)⋅1.25−1.5⋅(6⋅1.25)=(−1.5⋅6)⋅1.25 (0.7⋅0.7)+(0.7⋅0.9)+(0.7⋅0.2)=0.7⋅(0.7+0.9+0.2)(0.7⋅0.7)+(0.7⋅0.9)+(0.7⋅0.2)=0.7⋅(0.7+0.9+0.2)
Mathematics
1 answer:
Advocard [28]3 years ago
8 0
I think is the first one
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HELP ME PLEASEEEEE
AVprozaik [17]

Answer:  (x,y) = (-1, 1)

This means that x = -1 and y = 1

========================================================

Explanation:

The first equation says that y is the same as 2x+3

That allows us to substitute y for 2x+3 in the second equation like so:

2x+5y = 3

2x+5( y ) = 3

2x + 5(2x+3) = 3 .... y replaced with 2x+3

2x+10x+15 = 3

12x+15 = 3

12x = 3-15

12x = -12

x = -12/12

x = -1

Then we'll substitute this into the first equation to find y

y = 2x+3

y = 2(-1) + 3 .... x replaced with -1

y = -2+3

y = 1

Together x = -1 and y = 1 pair up to form the ordered pair solution (x,y) = (-1,1)

If you were to graph y = 2x+3 and 2x+5y=3 on the same xy grid, then you should see that the two lines intersect at the location (-1,1). This is a visual way to determine the solution quickly through use of a graphing calculator.

3 0
2 years ago
Solve x^3 = 1/8 Is it 1/2, +1/2, 1/4 or + 1/4 ( area and square roots)
k0ka [10]

Answer:

Step-by-step explanation:

x^3 = 1/8

Taking the cube of both side

x^3 = 1/(2)^3

(x)^3 = (1/2)^3

Eliminate ^3 from both sides

x = 1/2

8 0
2 years ago
3eighths - negitive 5 and 1 fourths
WITCHER [35]
Sorry, what exactly is the question?
8 0
2 years ago
Read 2 more answers
Help please<br> solve for x
Katen [24]
Since A and B are parallel lines, the two marked angles are congruent.
Then, 2x + 12 = x + 25
We can solve for x:
x = 13
4 0
2 years ago
Read 2 more answers
Select the correct answer.
aleksley [76]

Answer:

A. 247.03

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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