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3 years ago

Need Help ASAP On This question! I'm completely clueless. Will Mark Brain

Mathematics

2 answers:

Nady [450]3 years ago

6 0

ML might be 2.5. Which rounded will be 3 because since JL is 5 and ML is half of JL it will be that.

Hope This Helps!
:)

lianna [129]3 years ago

5 0

ML would be 2.5 because M is the bisector, splitting those 2 sides into congruent sides.

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Tickets to the concert were 2.50 for adults and 1.00 for students. 1,200 was collected and 750 tickets were sold.

Minchanka [31]

Answer:

I'm assuming you want to know the amount of child and adult tickets sold. 450 student tickets were sol, and 300 adult tickets.

Step-by-step explanation:

Solve for the first variable in one of the equations, then substitute the result into the other equation.

3 0

2 years ago

18. Let z = a + bi represent a general complex number. As noted in the lesson, the conjugate of z, abbreviated conj(z) or conj(a

AnnyKZ [126]

Question (18):

Answer: (A) All of the following

(I am using $z^*$ in place of conj(z)

$z*z^*=(a+ib)(a-ib)=a^2-(ib)^2= a^2+b^2=\mbox{modulus(z)}^2$

$z+z^*=a+ib+a-ib=2a\\z-z^*=a+ib-a+ib=2bi$

Question (19):

Answer: (B) -7

modulus of -7 is sqrt(49)=7

the other choices are all < 7

5 0

2 years ago

Line AB contains points A(-6,1) and B(1,4).

Free_Kalibri [48]

To solve this problem you must apply the proccedure shown below:

1- You have that the equation of the line is:

$y=mx+b$

Where $m$ is the slope and $b$ is the y-intercept.

2- Based on the information given in the problem, the lines $AB$ and $CD$ are parallel, which means that both have the same slope. Therefore, you can calculate the slope of $AB$ :

$m=\frac{y2-y1}{x2-x1}$

$m=\frac{4-1}{1-(-6)}=\frac{3}{7}$

3- Use the coordinates of the point $D(7,2)$ to calculate the y-intercept:

$2=\frac{3}{7}(7)+b$

4. Solve for $b$ :

$b=2-3=-1$

5. The equation of the line $CD$ is:

$y=\frac{3}{7}x-1$

The answer is: $y=\frac{3}{7}x-1$

6 0

2 years ago

One-third the sum of 6 and 3

irina [24]

Step-by-step explanation:

1/3(6+3)

= 1/3(9)

= 3

......

8 0

2 years ago

Read 2 more answers

Anyone free to help??

Vera_Pavlovna [14]

Answer:

(1,-2)

Step-by-step explanation:

w = ( x , y ) = ( 1 , -2 )

3rd choice

7 0

2 years ago