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choli [55]
3 years ago
15

Determine the number of solutions for this equation: 4x-1=2[2x-1]

Mathematics
2 answers:
krek1111 [17]3 years ago
7 0

Answer:

See the attachment and Mark as brainleist please.

oksian1 [2.3K]3 years ago
6 0

Answer:

0= -1 impossible.

Step-by-step explanation:4x-1=2[2x-1]

4x-1=2×2x-2×1

4x-1=4x-2

4x-4x=-2+1

0=-1

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PLEASE HELP ME WITH BOTH QUESTIONS<br> THANKS!!
vitfil [10]

First one:

cos(A)=AC/AB=3/4.24

cos(B)=BC/AB=3/4.24

Cos(A)/cos(B)=AC/AB / (BC/AB) = AC/AB * AB/BC = AC/BC=3/3=1


Second one:

To solve this problem, we have to ASSUME AFE is a straight line, i.e. angle EFB is 90 degrees. (this is not explicitly given).

If that's the case, AE is a transversal of parallel lines AB and DE.

And Angle A is congruent to angle E (alternate interior angles).

Therefore sin(A)=sin(E)=0.5

8 0
3 years ago
Can someone help please and thank you.
natita [175]

5)

Equilateral triangle, all sides are equal

So 2x + 5 = 11

2x = 6

x = 3

Answer is the first one

3; Equilateral theorem


6)

Isosceles triangle has at least two congruent sides.

So 6x = 24

x = 4

Answer x = 4

Converse of the Base Angle Theorem


7)

5x + 7 = 52

5x = 45

 x = 9

Answer

x = 9

Base angle theorem


8)

5y - 14 = 3y

2y = 14

 y = 7

Answer

7; Equiangular theorem


4 0
3 years ago
the number of students in a chess club decreased from 37 to 19. What is the percent decrease? Round your answer to the nearest p
Tema [17]

Answer:

You should be able to get your answer by

Step-by-step explanation:

For example let's sayAbout 33%. You divide 12 by 18 and get 0.6666666 and it goes on. So, rounded to the nearest percent, it is 67%. Then, you subtract it from 100 and get 33%. So the percent decrease is 33%.

Hope this helps

7 0
2 years ago
Which of the following fractions equal to 1/4
shutvik [7]

Answer:

D

Step-by-step explanation:

A  no   = 1/5

B no   = 4

C  no   = 1/3

D   yes

E     no = 17/50

4 0
2 years ago
Read 2 more answers
A total of 644 tickets were sold for the school play. They were either adult tickets or student tickets. There were 56 fewer stu
DochEvi [55]

Create formulas!

x=number of adult tickets

y=number of student tickets

x+y=644  <em>total sold</em>

56+y=x    <em>student was 56 less than adult</em>

Perform substitution

(56+y)+y=644

56+2y=644

2y=588

y=294

Substitute y into the formula we created

x+294=644

x=350

350 adult tickets were sold.

3 0
3 years ago
Read 2 more answers
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