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natulia [17]
2 years ago
5

Check solution |3x+2|= 4x+5

Mathematics
2 answers:
Roman55 [17]2 years ago
8 0

Answer:

x = -3

x = -1

Step-by-step explanation:

nika2105 [10]2 years ago
3 0

Answer:x=-3 x=-1

Step-by-step explanation: Subtract for 4 from both sides

(3x+2)=4x+5)

(3x+2)-4x=4x+5-4x

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Which of the points is NOT one of the vertices (s,t) of the shaded region of the set of inequalities shown below?
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Answer:

Option D

Step-by-step explanation:

Given: set of inequalities

To find: Points which do not satisfy all the inequalities

Solution:

For point (15,0):

15\leq 30-3(0)=30\\15\geq 15-0=15\\15\leq 25-0=25\\15\geq 0\\0\geq 0

So, (15, 0) satisfies all the inequalities

For point (7.5,7.5):

7.5\leq 30-3(7.5)=30-22.5=7.5\\7.5\geq 15-7.5=7.5\\7.5\leq 25-7.5=17.5\\7.5\geq 0\\7.5\geq 0

So, (7.5, 7.5) satisfies all the inequalities

For point (22.5,2.5):

22.5\leq 30-3(2.5)=30-7.5=22.5\\22.5\geq 15-2.5=12.5\\22.5\leq 25-2.5=22.5\\22.5\geq 0\\2.5\geq 0\\

So, (22.5,2.5) satisfies all the inequalities

For point (7.5 ,0):

Put s = 7.5 and t = 0 in s\geq 15-t

7.5\geq 15-0=15 which is false

So, (s,t)\neq (7.5,0)

7 0
2 years ago
Suppose Galileo and his assistant were 1 km apart when Galileo uncovered his lantern to try to measure the speed of light. How l
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3 years ago
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3 years ago
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Answer:

see below:

Step-by-step explanation:

2y–6=0

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