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Anvisha [2.4K]
3 years ago
6

Which best proves why the expressions 4(x+3)+2x and 6(x+2) must be equivalent expessions

Mathematics
1 answer:
Vilka [71]3 years ago
3 0

Answer:

Step-by-step explanation:

4(x+3)+2x= 4x+12

4x+12+2x= 6x+12

and the second is

6(x+2)=

6x+12

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What equation is the inverse of y=2x^2-8?
Fynjy0 [20]

Step-by-step explanation:

To get the inverse, swap the x- and y-variables, then solve for y. We should have the equation: x = 2y^2 - 8

Solving for y:    

y = 2x^{2} - 8    because  y + 8 = 2x^{2} or  x =\sqrt\frac{y +  8}{2}

So on interchanging the variable, we get the equation:

x = 2y^2 - 8

x + 8 = 2y^2

y = \sqrt\frac{x + 8}{2}

5 0
3 years ago
The depths of three different submarines are listed below. Which of the following statements are true? Choose all that apply.
AnnZ [28]
The correct answer choices are B and C.

Here is the way these numbers would fall on a vertical number line justifying why these 2 answers are correct.

-1500 A
-1600
-1700
-1800
-1900 B
-2000
-2100
-2200
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You can see where each of these submarines is located.  0 is sea level.
7 0
3 years ago
How many significant figures are in the following measurement? 0.000154kg
erik [133]

Answer:

I think 99999999.99999 kg

7 0
3 years ago
Harrison ,Tad and dale ride their bikes to school Harrison rides 3/4 mile,Tad rides 3/8 and dale rides 3/6 mile. Compare and ord
masya89 [10]

Answer:

3/8 , 3/6. 3/4

Tad drove the least miles because the miles ridden is less than both 3/6 and 3/4 miles

Dale rode the second greatest mile because the miles ridden is greater than 3/8 but less than 3/4

Harrison rode the greatest mile because the miles ridden is greater than both 3/6 and 3/8

Step-by-step explanation:

to order the miles ridden , convert the fraction to decimals. to do this, divide the numerator by the denominator

3/4 = 0.75

3/6 = 0.5 miles

3/8 = 0.374

7 0
3 years ago
On a math exam containing 36 questions, there are
viva [34]

Answer:

22

Step-by-step explanation:

4 0
3 years ago
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