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masha68 [24]
3 years ago
7

4 – (2x + 5) = (–4x – 2)

Mathematics
2 answers:
BlackZzzverrR [31]3 years ago
8 0

Answer:

the equation is false

Step-by-step explanation:

Marrrta [24]3 years ago
7 0

3/2

Isolate the variable by dividing each side by factors that don't contain the variable.

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I Really Need Help With This Please.
Flura [38]
ABC=DBC

(This will probably be a way more complex explanation than you need but it’s what I did.)

Okay so you know B=B because they’re both right angles. You know A=D because of the isosceles triangle theorem- if two sides of a triangle are congruent, then the angles opposite those sides are congruent. That leaves C=C. If B=B and A=D and all triangles add up to 180 degrees, C and C need to be the same.
6 0
3 years ago
Read 2 more answers
Reggie, Alvin, and Jose are member of a relay running team. Reggie finished his leg of the race 2.45 seconds faster than Alvin a
lorasvet [3.4K]
From the given, we expressed the time that each of the team members ran in mathematical expression.
 
                Reggie = 57.12 seconds
                 Alvin = 57.12 + 2.45 seconds = 59.57 seconds
                 Jose = 57.12 - 3.81 seconds = 53.31 seconds
We then sum up all the time we calculate to determine the total time for the team. The answer is therefore 170 seconds. 
8 0
3 years ago
Find the system of inequalities which represents the shaded region on the coordinate plane.
dybincka [34]

Answer:

given, y≥2x+1 and

y>

2

1

x−1

first, draw the graph for equations y=2x+1 and y=

2

1

x−1

for y=2x+1

substitute y=0 we get, 2x+1=0⟹x=−0.5

substitute x=0 we get, y=1

therefore, y=2x+1 line passes through (0.5,0) and (0,1) as shown in fig.

Hence, y≥2x+1 includes the region above the line.

for y=

2

1

x−1

substitute y=0 we get,

2

1

x−1=0⟹x=2

substitute x=0 we get, y=−1

therefore, y=2x+1 line passes through (2,0) and (0,-1) as shown in fig.

Hence, y>

2

1

x−1 includes the region above the line.

the intersection region is the shaded region as shown in above figure which includes I, II and III quadrants.

Therefore, quadrant IV has no solution please make as brainlelist

7 0
3 years ago
PLEASE WILL GIVE BRAINLEST \
Lesechka [4]

Answer:

First statement is wrong

Step-by-step explanation:

Forgive me if I am wrong

7 0
3 years ago
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A fair coin is tossed and a single number cube is rolled. the probability of rolling a number less than 5 is ________________. t
Alik [6]
You have a 4/ 6 chance 
then you have a 2/6 chance if the number is an odd number then reducing you would get 
1.   2/3 
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3 years ago
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