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NNADVOKAT [17]
2 years ago
12

2x+1=2x-1 what is x equaled too

Mathematics
1 answer:
pshichka [43]2 years ago
4 0

Answer:

x ≤ 0 = no solution

Step-by-step explanation:

\sf (-2x)2x+1-2x=2x-1-2x\\1=-1\\= 0\\No~solution.

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On which of the following lines does the point (7, 1) lie?
stealth61 [152]
We have that
<span>the point (7, 1)

case </span><span>A.) y = 5x + 4
if the point </span>(7, 1) lie to the line
so
for x=7 the value of y must be  1
y=5*7+4------> y=39
39 is not 1---------> the point does not belong to the line

case <span>B.) y = -x + 8
</span>if the point (7, 1) lie to the line
so 
for x=7 the value of y must be  1
y=-7+8------> y=1--------> the point belongs to the line

case <span>C.) y = x - 10
</span>if the point (7, 1) lie to the line
so 
for x=7 the value of y must be  1
y=7-10------> y=-3
-3 is not 1---------> the point does not belong to the line

case <span>D.) y = -4x + 3
</span>if the point (7, 1) lie to the line
so 
for x=7 the value of y must be  1
y=-4*7+3------> y=-25
-25 is not 1---------> the point does not belong to the line

the answer is the option
 B.) y = -x + 8
6 0
3 years ago
What is 84(0.5) not in decimal form
SpyIntel [72]

Answer:

42

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
2. Jacqui is putting together sets of greeting cards for a school fundraiser. There are four different card options, two
Marizza181 [45]

Answer:

32

Step-by-step explanation:

The problem statement states that there are four card option two colored envelopes options and four sticker design options and as the greeting card constitutes of one type of card.one colored envelopes and one sticker design then the number of ways Jacqui arrange the greeting card sets can be calculated using the counting principle that is n1*n2*n3. So, the number of ways Jacqui arrange the greeting card sets can be calculated using the counting principle=4*2*4=32 different ways.

3 0
4 years ago
Can someone please help?
algol [13]

Answer:

The one all the way to the right

Step-by-step explanation:

30 ÷ X = 6

30 ÷ 5 = 6

5 0
3 years ago
Which ratio represents Sin A?
Marysya12 [62]

Answer:

sin A = 56/ 65

Step-by-step explanation:

sin of an angle = opposite side to the angle / hypothenuse

sin A = 56/ 65

4 0
3 years ago
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