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seropon [69]
3 years ago
11

1) -6 < 3х – 4x Can some one help me

Mathematics
2 answers:
taurus [48]3 years ago
7 0

combine like terms

-6<-1x

divide by negative 1 on both sides

flip the sign when dividing by a negative number

6>x is the answer.

kompoz [17]3 years ago
6 0

Answer:

\boxed { x < 6}

Step-by-step explanation:

Solve the following inequality:

-6 < 3x - 4x

-Combine like terms:

-6 < 3x - 4x

-6 < -x

-Switch sides:

-6 < -x

-x > -6

-When you are dividing an integer by a <u>negative</u> integer, then the inequality sign would change. So, to get the variable x positive, divide both sides by -1:

\frac{-x}{-1} > \frac{-6}{-x}

\boxed { x < 6}

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Why do triangles interior angles sum to 180°?
Arte-miy333 [17]
A squares interior able sun is 360 and half of a square is a triangle making the interior angle also 180 because half of 360 is 180. Idk how else to answer this because it’s just something that we all know
4 0
3 years ago
Find the equation of a line that passes through the point (3,5) and has a gradient of 2.
Karolina [17]

Answer:

y = 2x - 1

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 2 , then

y = 2x + c ← is the partial equation

To find c substitute (3, 5) into the partial equation

5 = 6 + c ⇒ c = 5 - 6 = - 1

y = 2x - 1 ← equation of line

7 0
3 years ago
Kimmie sells custom T-shirts for $12 each at the flea market every Saturday She usually sells 36 T-shirts Kimmie surveys her cus
Phantasy [73]

Answer:

y =  -2*x² + 60*x

Step-by-step explanation:

The general form of a quadratic function is:

y = a*x² + b*x + c

We need to determine a  ;  b  ;  and c. For that we have three conditions therefore

Condition 1       at  x = 12 $ each T-shirts kimmie sells 36 units, then she gets

12* 36 = 432 $    or      y  =  432   and

432 = a(12)² + 12*b + c      or   432 = 144*a + 12*b + c

Second condition   selling at 13 $ each T-shirt  she sells 34 , then

13*34 = 442

442  = a(13)²  +  13*b  + c    or   442 = 169*a + 13*b + c

And the third condition

11*38  = 418

418 = a* ( 121)  + 11*b  + c         418  =  121*a  +  11*b  + c

We have a three equation system

432 =   144*a + 12*b + c         (1)

442  =   169*a + 13*b + c       (2)

418 =    121*a  +  11*b  + c       (3)

We need to solve it for a,  b  and  c

Subtracting (2) - (1)        10 = 25*a  +  b    and subtracting (2) - (3)

24 = 48*a  + 2*b

Then       b  =  10 -  25*a         and     24  =  48*a + 2*( 10 - 25*a )

24  =  48*a +  20  - 50*a

24 -  20  =   -2*a

4  =  - 2*a    

a  = - 2      and   b =  10 - 25*( -2)     b = 60

Finally  c   is:    432 =   144*a + 12*b + c  

432  =  144* ( -2) + 12*60  + c

432  = -  288  +  720  +  c

432  = 432  + c

c =  0

The quadratic function is:

y =  -2*x² + 60*x

8 0
2 years ago
Find the area of the triangle im not sue how to do this best answer gets brainly
vovangra [49]

Given :

▪︎Length of height of this triangle = 16 cm

▪︎Length of base of this triangle = 4 cm

We know that :

\color{hotpink}\tt \: area \: of \: a \: triangle \color{plum}=  \frac{1}{2}  \times base \times height

Which means :

The area of this triangle :

= \tt \frac{1}{2}  \times 16 \times 4

=\tt  \frac{1}{2}  \times 64

= \tt \frac{64}{2}

\color{plum} =\tt\bold{ 32 \:  {cm}^{2} }

▪︎Therefore, <u>the area of this triangle = 32 sq.cm</u>

7 0
2 years ago
In your own words, describe how to find the reference angle for an angle in standard position?
SOVA2 [1]

I do not know

Step-by-step explanation:

4 0
3 years ago
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