Which equation shows the distributive property? A. -5+(7+3) = (-5+7)+3


B. -3+(7+3) = (-3*2)*7


C. -3+(7+3)=-3+(3+7)



D. -5(2+9)=-5*2+(-5*9)

Answers

Answer 1
Answer: B is the answer to your problem

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Solve for x
3x+1/14=2x/8

Answers

3x+(1/14)= 2x/8
24x+(4/7)=2x ( i multiplied everything by 8)
22x+4/7=0 ( i subtracted 2x to both sides)
22x= -4/7 ( i subtracted 4/7 to both sides) 
x= (-4/7)/ 22
x= -2/77
3x +  (1)/(14)  =  (2x)/(8)

First, you multiply everything by 8, so you get:
8(3x +  (1)/(14)) = 8( (2x)/(8))

Then, you develop, and you get:
24x +  (8)/(14) =  2x

You simplify (8)/(14) by dividing by 2, and you get:
24x +  (4)/(7) = 2x

Then, you put known numbers apart (numbers without x), and unknown numbers apart (numbers with x), which means you move 2x to the other part (and it become -2x), and (4)/(7) to the other part ( and it become - (4)/(7)), so you get:
24x - 2x = - (4)/(7)

you subtract and you get: 
22x = - (4)/(7) 

then, you move 22 to the other part, and since it's a multiplication, it become a division, so you get:
x = ( - (4)/(7) )/(22)

As you know, 22 =  (22)/(1), and dividing 2 fraction is equal to multiplying the first fraction by the inverse of the second fraction, so you get:
-(4)/(7) *  (1)/(22) = x

You multiply and you get:
- (4)/(154) = x

4 and 154 have a common factor which is 2, so you divide each one by 2, and you get:
-(4/2)/(154/2) = x

you divide, and you get:
-(2)/(77) = x

So, x = -(2)/(77)

Hope this Helps! :D

Which of the following equations is an example of a line written in slope-intercept form? A. y = mx + b
B. x = my + b
C. mx = y + b
D. mx + by = c

Answers

Equation A (y=mx + b) is in slope intercept form.

7) 2.1x + 45.2 = 3.2 -8.4x

Answers

Answer:

x=-4

Step-by-step explanation:

brainliest please

Answer:

x=-4, Give brainliest please

Step-by-step explanation:

Step 1: Add 8.4x to both sides.

2.1x+45.2 =  -8.4x +3.2

       +8.4x    +8.4x

10.5x+45.2=3.2

Step 2: Subtract 45.2 from both sides.

10.5x + 45.2 = 3.2

         -45.2    -45.2

10.5x=−42

Step 3: Divide both sides by 10.5.

(10.5x)/(10\n)=(-42)/(10)

x=−4

Which fraction is equivalent to 4/10 6/8 2/5 3/5

Answers

Answer:

2/5 is equal to 4/10

Step-by-step explanation:

Answer:

2/5 is equivalent when you divide both numbers by 2

The area of a polygon is the number of square units contained in its interior true or false

Answers

False. Perimeter is a linear measure. Square units are for area.

Which formula represents the hyperbola on the graph shown below? Note: Answer choices and graph attached below...

Answers

Answer:

Your answer choice is appropriate

Step-by-step explanation:

The orientation is vertical, so the parent function is

... y² - x² = 1

The vertical offset is -3 and the horizontal offset is positive, so the variables will be of the form (y+3)² and (x-something)². At this point, you're able to choose the correct answer.

The distance center to vertex is 13, so we know the y-term denominator is 13². We cannot tell from this graph what the x-term denominator should be, but all the answer choices are in agreement that it should be 81.

The appropriate choice is ...

... (y+3)²/169 - (x-2)²/81 = 1

Answer:

If you are looking for the answer to a graph that looks similar but slightly different, the answer is C.

This graph looks like the one above, but it is inverted, the top hyperbola reaches 15, and the bottom reaches 10. This is correct for A.P.E.X

Hope this helps I couldn't find it anywhere else on brainly.