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
Scorpion4ik [409]
2 years ago
7

Pls help i don't know Anymore​

Mathematics
1 answer:
ch4aika [34]2 years ago
8 0

1/3

本题已由中国数学会官方解答(现有会员:2人)

You might be interested in
Mikes movie Rentals Charge $3.00 for each rental plus $0.50 for each additional day. Reed's Rentals Charge $1.50 each rental plu
iris [78.8K]

Answer:

2

Step-by-step explanation:

What we need here is to express both charges trough equations, and then find out for which value these equations are equal.

Let X be the amount of additional days of rent.

So, Mikes Movie Rentals cost equations is:

CostMike = 3 + 0.5X

This implies that if there is no additional day (X=0), the cost is $3, if there is one additional day the cost is $3.5, for 2 days $4, and so on ...

Now lets find Reed's Rental cost.:

CostReed = 1.5 + 1.25X

And the interpretation is analogous to the one above. If there is no additional day, Reed's charge is $1.5, for 1 days $2.75, for 2 days $4

(Notice that with the examples I made about interpreting the equations I found out that for 2 days the cost of both is the same. Now lets find it analytically)

For finding the additional days that give the same costs we need to equal both equations:

3 + 0.5 X = 1.5 + 1.25 X

Lets subtract 1.5 from both sides:

3 - 1.5 + 0.5 X = 1.5 - 1.5 + 1.25 X

1.5 + 0.5 X = 1.25 X

Now subtract 0.5 X in both sides:

1.5 + 0.5 X - 0.5 X = 1.25 X - 0.5 X

1.5 = 0.75 X

Dividing both sides by 0.75:

1.5 / 0.75 = 0.75 X / 0.75

2 = X

So, for 2 additional days bith charges are equal.  

6 0
3 years ago
A spinner is divided into five sections numbered 1 through 5. Juana records the number the spinner lands on for each of 50 spins
Jet001 [13]

The distribution of the probability of the given data is a Positive Skewed Probability distribution.

Given to us

A spinner is divided into five sections numbered 1 through 5. Juana records the number the spinner lands on for each of the 50 spins. She computes and graphs the relative frequencies for each number

<h3>What is a Probability distribution?</h3>

It is a type of distribution in which the distribution has a constant probability, therefore, the probability of each event occurring is equal.

<h3>What is symmetric distribution?</h3>

Symmetric distribution is the type of distribution where the left side of the distribution and the right side of the distribution are mirror images to each other, therefore, they are symmetrical.

<h3>What is Negatively Skewed Probability distribution?</h3>

Negatively Skewed Probability distribution is a type of distribution of the probability where the right side(tail) of the distribution is more concentrated than the right side.

<h3>What is Positive Skewed Probability distribution?</h3>

Positive Skewed Probability distribution is a type of distribution of the probability where the left side of the distribution is more concentrated than the right side.

<h3>Which of the following describes the probability distribution of the given data?</h3>

Since in the given graph probability of every number occurring from 2 to 5 is equal to 0.12(12%), while the probability of number 1 occurring is 0.5(50%).

Thus, the distribution of the probability is towards the right end of the graph.

Hence, the distribution of the probability of the given data is a Positive Skewed Probability distribution.

Learn more about Probability Distribution:

brainly.com/question/795909

8 0
2 years ago
Calculator
hodyreva [135]

Answer:

Step-by-step explanation:

x = 8

y = 40

6 0
3 years ago
Lim
insens350 [35]

Answer:

Step-by-step explanation:

f(-9+h)= (-9+h)² = h²-18h+81

f(-9+h)-f(-9)=h²-18h+81 -81 because : f(-9) = (-9)² = 81

f(-9+h)-f(-9)=h²-18h

(f(-9+h)-f(-9))/h=(h²-18h)/h = h(h-18)/h =h-18

lim  (f(-9+h)-f(-9))/h = lim(h-18= - 18

h→0                             h→0

4 0
4 years ago
Linear equations assignment:
Daniel [21]

Answer:

20 laps

Step-by-step explanation:

2 times = +1 dollars for Paula, +0.50 dollars for Jacki

Try multiplying it the least amount of times to Paula can have more and so 20 times and Paula will have 20 dollar sand Jacki will have 19.75, therefore she needs to do 20 laps.

6 0
3 years ago
Other questions:
  • Hey guys please help find the area
    11·1 answer
  • Can someone please help me find the answer to this question please?
    9·1 answer
  • A scout meeting lasts 2 hours. If 36 minutes of the meeting is spent making dream catchers, what percentage of the meeting is le
    5·2 answers
  • CALLING ALL MATHS GENIUSES
    6·2 answers
  • A fox, a coyote, and a wolf weigh a total of 120 pounds. The ratio of the weight of the fox to the weight of the coyote is 3:8.
    14·1 answer
  • -9h - 15 = 93 Need help. Not that good at solving two step equations. Algebra's tricky. Please solve.
    14·1 answer
  • Write the expression<br> into words.<br> 6 + x<br><br><br> plz help
    12·1 answer
  • 8) Pick the two best options below for the solutions of this function:
    9·1 answer
  • PLSSSSSSSSSSS I MEAN PLS HELP RN ASAPAPPP
    5·1 answer
  • FIRST ANSWER GETS BRAINLIEST PLEASE HELP THIS TEST IS WORTH 50 PERCENT OF MY GRADE
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!