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
Greeley [361]
2 years ago
5

Two school groups go to a roller skating rink. One group pays $243 for 36 admissions and 21 skate rentals. The other group pays

$81 for 12 admissions and 7 skate rentals. Let x represent the cost of admission and let y represent the cost of a skate rental. Is there enough information to find values for x and y? Explain.
thxs
Mathematics
2 answers:
Masteriza [31]2 years ago
7 0

Answer:

No

There are infinitely many solutions to the system.

{36x+21y=24312x+7y=81

Multiply the second equation by 3.

3(12x+7y36x+21y=81)=243

Subtract this new equation from the first equation.

36x+21y−(36x+21y0+0=243=243)=0 true

Evgen [1.6K]2 years ago
7 0

Answer:

Step-by-step explanation:

this is how to be focused in class

You might be interested in
1+1 solve it solvesolve it solvesolve it solve
Ymorist [56]
Ummm hmm this is a hard one..... I believe it’s 88?
7 0
2 years ago
Simplify<br> 8V 28<br><img src="https://tex.z-dn.net/?f=8%20%5Csqrt%7B28%7D%20" id="TexFormula1" title="8 \sqrt{28} " alt="8 \sq
omeli [17]
“42.3” I wish I got easy questions like you do
5 0
3 years ago
What is 2+2 GUYS I REALLY NEED HELP MY KINDERGARDEN TEACHER IS COMING!!!!!
Ket [755]

Answer:

It's 5

Step-by-step explanation:

Good Luck

7 0
3 years ago
Read 3 more answers
A simple random sample of size n equals 200 individuals who are currently employed is asked if they work at home at least once p
____ [38]

Answer: 99% of confidence interval for the population proportion of employed individuals who work at home at-least once per week

//0.20113,0.20887[/tex]

Step-by-step explanation:

<u>step 1:-</u>

Given sample  size n=200

of the 200 employed individuals surveyed 41 responded that they did work at home at least once per week

 Population proportion of employed individuals who work at home at least once per week  P = \frac{x}{n} =\frac{41}{200} =0.205

Q=1-P= 1-0.205 = 0.705

<u>step 2:-</u>

Now  \sqrt{\frac{P Q}{n} } =\sqrt{\frac{(0.205)(0.705)}{200} }

=0.0015

<u>step 3:-</u>

<u>Confidence intervals</u>

<u>using formula</u>

(P  -  Z_∝} \sqrt{\frac{P Q}{n},} (P  +  Z_∝} \sqrt{\frac{P Q}{n},

(0.205-2.58(0.0015),0.205+2.58(0.0015)\\0.20113,0.20887

=0.20113,0.20887[/tex]

<u>conclusion:</u>-

99% of confidence interval for the population proportion of employed individuals who work at home at-least once per week

//0.20113,0.20887[/tex]

4 0
3 years ago
Simplify (79)<br> O A. 353<br> O B. 78<br> O c. 715<br> OD. ()<br> SUBMIT
SOVA2 [1]
Answer:
C. You have to multiply both powers to simplify.
8 0
3 years ago
Other questions:
  • 1 - 4x^2 Factorization using the formula: a^2 - b^2 = (a + b) (a - b)
    9·2 answers
  • Two parallel lines are crossed by a transversal. Horizontal and parallel lines p and q are cut by transversal m. At the intersec
    9·2 answers
  • 35 POINTS
    13·1 answer
  • And the 95 fifth and sixth graders going on a field trip there are 27 more fifth-graders than six graders how many fifth-graders
    10·2 answers
  • How many 1/4 cup servings are in 5<br> cups of yogurt?
    9·1 answer
  • Need help please!!!!
    13·1 answer
  • Kohl's sells Nike shoes for n dollars. Next week they will offer a 25% off coupon. Write the expression for the new price in 2 d
    6·1 answer
  • ILL GIVE BRAINLEST, find the value of x
    10·1 answer
  • For every three girls taking classes at a martial arts school, there are 4 boys who are taking classes. If there are 236 boys ta
    8·1 answer
  • Fatima wants to find the value of sine theta, given cotangent theta = four-sevenths. which identity would be best for fatima to
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!