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Rudik [331]
3 years ago
11

Which of the following expressions are equivalent to 4x-8?

Mathematics
2 answers:
slamgirl [31]3 years ago
5 0

Answer:

B) & D)

Step-by-step explanation:

elena-14-01-66 [18.8K]3 years ago
3 0
B & D it’s all equal out to the same answer
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Write the equation of a line passing through (6,-2) and perpendicular to -2x + 3y= -6
____ [38]
Perpendicular lines refers to a pair of straight lines that intercept each other. The slopes of this lines are opposite reciprocal, meaning that it's multiplication is -1.
On this case they give you the equation of a line and a point, and is asked to find the equation of a line that is perpendicular to the given one, and that passes through this point.


-2x+3y=-6                 Add 2x in both sides
3y=2x-6                    Divide by 3 in both sides to isolate y
y=2/3x-6/3


The slope of the given line is 2/3, which means that the slope of a line perpendicular to this one, needs to be -3/2. Now you need to find the value of b or the y-intercept by substituting the given point into the formula y=mx+b, where letter m represents the slope.

y=mx+b                 Substitute the given point and the previous slope found
-2=(-3/2)(6)+b       Combine like terms
-2=-9+b                 Add 9 in both sides to isolate b
7=b

The equation that represents the line perpendicular to -2x+3y=-6 and that passes through the point (6,-2), is y=-3/2x+7.


4 0
3 years ago
After a holiday dinner, there are 3 1/3 apple pies left and 2 5/6 pumpkin pies left.
leonid [27]
Hi! I'm pretty sure this is correct so here it goes:
A. 3/6
B. 12 4/6
4 0
3 years ago
Nathan needs to sell at least 75 t shirts to get a bonus he already has sold 15 red tye dye shirts and 23 solid blue ones how ma
AnnyKZ [126]

Red shirts and blue shirts equally count to his bonus, so he has 15 + 23 = 38 shirts sold at this moment. He needs to sell 75 shirts for the bonus. We subtract our goal from what he have; 75 - 38 = 37.


The strategy here: subtract the goal (75 shirts) from what you did to get to the goal (15 shirts and 23 shirts).


Nathan needs to sell 37 more shirts for the bonus. Hope this helps.

4 0
3 years ago
Read 2 more answers
There are 8 cans of soup there are 3times as many cans of vegetables how many cans of vegetables are there write an equation to
kicyunya [14]
8(number of soup) times 3 =x (number of vegetable cans)
4 0
3 years ago
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Describe a situation that you could represent with the inequality x<17
Zigmanuir [339]

Answer:

I will need less than 17 dollars purchase dinner.

Step-by-step explanation:

I could spend zero to 16.99 on dinner and still not violate the inequality.



6 0
3 years ago
Read 2 more answers
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