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
Alenkinab [10]
3 years ago
15

Carlotta subscribes to the HotBurn music service. She can download no more than 12 song files per week. Carlotta has already dow

nloaded 10 song files this week. Write, solve, and graph an inequality to show how many more songs Carlotta can download.

Mathematics
1 answer:
UNO [17]3 years ago
8 0

Answer:

Inequality: x+10\leq 12

Inequality solved: x\leq 2

The graph is attached.

Step-by-step explanation:

You need to remember the meaning of the inequalities symbols:

: Less than.

> : Greater than.

\leq : Less than or equal to.

\geq : Greater than or equal to.

Let be "x" the number of more songs Carlotta can download.

According to the information given in the exercise, she can download no more than 12 song files per week. This indicates that you must use the symbol \leq.

Since she has already downloaded 10 song files this week, you can write the following inequality that represents this situation:

x+10\leq 12

In order to solve it, you must subtract 10 from both sides:

x+10-10\leq 12-10\\\\x\leq 2

Plot this result on a number line.

Since the symbol of the inequality is \leq, the dot must be filled (Observe the number line attached).

You might be interested in
What are the zeros of the function?<br><br> h(x)=x3−2x2−3x<br><br> Select each correct answer.
Nat2105 [25]
Hello again!

It looks like you need a lot of help today. I'm glad I am able to help you!

h(x) = x³ - 2x² - 3x

The question you need to ask yourself is "How do you find the zeros of a function.

Answer: To find the zeros of a function, just set the function equal to zero then solve for x

x³ - 2x² - 3x = 0

Factor the left sides

x(x + 1)(x - 3) = 0

Now we can set factors equal to 0

x = 0 or x + 1 = 0 or x - 3 = 0

x = 0 or x = 0 - 1 or x = 0 + 3

x = 0 or x = -1 or x = 3

Thus,

The zeros of the function are: x = 0 or x = -1 or x = 3

As always, I am glad to help students like you!
8 0
3 years ago
Geometry!! can someone help me with #23 please? it would mean a lot thanks :)
Bogdan [553]

Answer:

yes, they are parallel lines in #23

Step-by-step explanation:

the slope of both lines is -1

7 0
2 years ago
A survey in Men’s Health magazine reported that 39% of cardiologists said that they took vitamin E supplements. To see if this i
zzz [600]

Answer:

z=\frac{0.36 -0.39}{\sqrt{\frac{0.39(1-0.39)}{100}}}=-0.615  

The p value for this case would be:

p_v =2*P(z  

For this case since the p value is higher than the significance level we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true proportion is not different from 0.39

Step-by-step explanation:

Information given

n=100 represent the random sample taken

X=36 represent the number of people that take E supplement

\hat p=\frac{36}{100}=0.36 estimated proportion of people who take R supplement

p_o=0.39 is the value that we want to test

\alpha=0.05 represent the significance level

z would represent the statistic

p_v represent the p value

Hypothesis to test

We want to test if the true proportion is equatl to 0.39 or not, the system of hypothesis are.:  

Null hypothesis:p=0.39  

Alternative hypothesis:p \neq 0.39  

The statistic is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the info we got:

z=\frac{0.36 -0.39}{\sqrt{\frac{0.39(1-0.39)}{100}}}=-0.615  

The p value for this case would be:

p_v =2*P(z  

For this case since the p value is higher than the significance level we have enough evidence to FAIL to reject the null hypothesis and we can conclude that the true proportion is not different from 0.39

8 0
3 years ago
Solve for x.<br> –4.5(x – 8.9) = 12.6<br> OVEC<br> Enter your answer, as a decimal, in the box.
Gnoma [55]

Step-by-step explanation:

just take -4.5 the right side

3 0
3 years ago
(4,?) is on the line below.  Find the other half of the coordinate. y= 2 7 x−3 y=27x-3
valina [46]
If you meant   y = 27x - 3, OK.    Then, if x = 4, y = 27(4) - 3, or 108-3 = 105.
8 0
3 years ago
Other questions:
  • What is the slope of a line perpendicular to the line whose equation is
    6·1 answer
  • 9 + 10 mmmmmmmmmmmmmmmmmmmm
    5·1 answer
  • Eliza and Jamie are making cupcakes for a bake sale at school. Eliza needs 2one third c of flour for her recipe and Jamie needs
    12·2 answers
  • luna ray has 5 orange picks and no green ticks. You add some green picks so 1 in every 3 picks is orange . How many picks are th
    6·2 answers
  • On Monday, Taylor lost $20 to
    9·2 answers
  • What is the next 3 terms in the following sequence, 5.5,6.7,7.9,9.1
    13·1 answer
  • What is the answer to this?
    10·2 answers
  • Which of the following is equvilent to 8​
    11·1 answer
  • Solve for k:<br> 8 36<br> K 1.8
    9·1 answer
  • What is RD.sharma and S.chand ??​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!