1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Fofino [41]
2 years ago
8

1)An exam worth 172 points contains 30 questions. Some questions are worth 2 points, and the others are worth 9 points. How many

2 point and 9 point questions are on the test?
2) Tickets to the fair cost $6 for children and $13 for adults. On Saturday 163 people
enter the fair and they collected $1566. What number of children and what number
of adults attended?

3) Tickets at a particular movie theater have different rates for adults and children.
On Saturday the theater sold 8 adult tickets and 7 child tickets for $132. The next
day, the theater sold 4 adult tickets and 5 children tickets for $72. What is the price
for the adult ticket and the price for the child ticket?
Mathematics
1 answer:
lisabon 2012 [21]2 years ago
3 0
1) x+y=302x+9y=172x=-y+30-2y+60+9y=1727y=112y=16x=14
14 2-point questions and 16 9-point questions
2) c+a=163
6c+13a=1566
c=-a+163
-6a+976+13a=1566
7a=588
a=84
c=79
84 adult tickets and 79 children tickets
3) a+c=15; ax+cy=132
8+7=15; 8x+7y=132

a+c=9; ax+cy=72
4+5=9; 4x+5y=72

8x+7y=132
4x+5y=72
(8x+10y)=(144)

8x=-7y+132
8x=-10y+144
-7y+132=-10y+144
3y=12
y=4
4x+20=72
4x=52
x=13
The price for an adult ticket is $13 and the price for a child ticket is $4
You might be interested in
How many names are for square
muminat
There are about four other names for a square.
3 0
3 years ago
Read 2 more answers
PLEASE HELP WILL CROWNNNNNN!!!!!
Serga [27]

Answer:

12

7

2

- 3

- 8

Step-by-step explanation:

f ( - 2 )

= 2 - 5 ( - 2 )

= 2 - ( - 10 )

= 2 + 10

= 12

f ( - 1 )

= 2 - 5 ( - 1 )

= 2 - ( - 5 )

= 2 + 5

= 7

f ( 0 )

= 2 - 5 ( 0 )

= 2

f ( 1 )

= 2 - 5 ( 1 )

= 2 - 5

= - 5 + 2

= - 3

f ( 2 )

= 2 - 5 ( 2 )

= 2 - 10

= - 10 + 2

= - 8

6 0
2 years ago
suppose you choose a marble from a bag containing 3 red marbles, 3 white marbles, and 5 blue marbles. You return the first marbl
Marta_Voda [28]

Answer:

15/121 is the answer.

8 0
3 years ago
Hiking up a mountain, you notice that the air temperature drops 10 degrees every 1000 meters increase in elevation. Write a mult
Elina [12.6K]

 decrease in temperature if you hike up the mountain 3000 meters is  -30° .

<u>Step-by-step explanation:</u>

Here we have , Hiking up a mountain, you notice that the air temperature drops 10 degrees every 1000 meters increase in elevation . We need to find Write a multiplication expression to represent the decrease in temperature if you hike up the mountain 3000 meters. Let's find out:

For every 1000 meters rise in elevation , there is decrease in 10° of temperature . So , For rise in n meters in  elevation , there is decrease in n×10° of temperature i.e

Decrease in temperature = (n/1000)×(-10) i.e.

⇒  (n/1000)×(-10)

⇒ \frac{n}{1000}(-10)

At n = 3000 meters:

⇒ \frac{3000}{1000}(-10)

⇒ 3}(-10)

⇒ -30°  

Therefore ,  decrease in temperature if you hike up the mountain 3000 meters is  -30° .

8 0
3 years ago
Dion ran 3.75 kilometers each day to prepare for a race.
Sladkaya [172]

Answer:

105 km

Step-by-step explanation:

3.75 x 28 = 105 km

5 0
3 years ago
Read 2 more answers
Other questions:
  • Solve for x in the diagram.<br><br><br><br>       A. 25   B. 37   C. 15   D. 14
    12·2 answers
  • Which of the following is the inverse of the statement "If I like math, then I like science"?
    7·2 answers
  • Simplify the ratio 24/36
    7·2 answers
  • GIVING BRAINLIEST TO FIRST CORRECT ANSWER!
    13·2 answers
  • Estimate with Percents 34% of 99 show ur work
    12·1 answer
  • How much would you need to deposit in an account now in order to have $8000 in 8 years. Account earns 6% compounded monthly.
    13·1 answer
  • What number is ten less than 658?
    15·1 answer
  • Each of the following sets of numbers represents dollars. Which set of numbers is most appropriate to label the six tick marks a
    5·1 answer
  • 2/5+3/8 5th grade Math. Please help.​
    8·2 answers
  • Solve this system of linear equations. Separatethe x- and y-values with a comma.13x = -21 - 6y- 8x = 36 + 6yEnter the correct an
    5·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!