MATHEMATICS HIGH SCHOOL

Any help is appreciated!

Answers

Answer 1

Answer:

Answer:

pretty sure is the first one

Step-by-step explanation:

-1/2x +3 =3x -4

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At the city museum, child admission is $5.40 and adult admission is $8.70 . On Friday, 170 tickets were sold for a total sales of $1224.90 . How many adult tickets were sold that day?

Answers

x=number of adult tickets
y=number of children tickets.
we can suggest this system of equations:

x+y=170
8.7x+5.4y=1224.90

We can solve this system of equations by substitution method:
x=170-y

8.7(170 - y)+5.4 y=1224.90
1479-8.7y+5.4y=1224.90
-3.3 y=1224.90-1479
-3.3 y=-254.1
y=(-254.1) /(-3.3)
y=77

x=170-y
x=170-77
x=93

Answer:93 adult tickts were sold that day.

4c^2-8c-1=0 complete the square round to nearest hundredth

Answers

move constant to other side
add 1
4c^2-8c=1
divide by 4 to make leading coeficient 1
c^2-2c=1/4
take 1/2 of linear coeficient and square it
-2/2=-1, (-1)^2=1
add that to both sides
c^2-2c+1=1/4+1
factor perfect squaer and add
(c-1)^2=5/4
square root both sides
c-1=+/-(√5)/2
add 1
c=1+/-(√5)/2

c=2.12 or -0.12

The part of the us government that interprets laws is the

Answers

The judicial branch is the branch that interprets the laws, the legislative makes them, the executive enforces them, and the judicial interprets them. Hope this helped!

I think it is judicial.

Name 2 linear expressions whose difference is 5x-4

Answers

For this case we can write the following linear expressions:

We now subtract both linear expressions:

From here, we must subtract similar terms.

We have then:

Rewriting we have:

That is, we obtain the desired result.

Answer:

2 linear expressions whose difference is 5x-4 is:

What is: 3(7.5 + 2) + 4.6

Answers

Answer:

25.6

Step-by-step explanation:

3(7.5+2)+4.6

15+6+4.6

21+4.6

25.6

Not that hard.

How many minutes are there in a degree?
a. 180
b. 360
c. 60
d. 45

Answers

Thr answer is c) 60 minutes .

All of the above are incorrect. There are 6 minutes in a degree because 360/60 = 6