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
Ratling [72]
2 years ago
8

I need help on this. Can someone explain it?

Mathematics
2 answers:
kozerog [31]2 years ago
5 0

Answer:

noooooooooooooooooooooo

Kruka [31]2 years ago
5 0
I’ve attached my work....
Hope it helps!
Have a nice day or night :O
Any concerns just comment and I can respond

You might be interested in
The lines 6y+2=12x+4 and 4y+12=2x-8 are: a) parallel.
KatRina [158]

d) neither parallel or perpendicular

3 0
3 years ago
Given a line passes through point (5,8) and the origin, find the equation of the line.<br> y=
SOVA2 [1]

Answer:

y = 8/5x

Step-by-step explanation:

I'm assuming that they're asking for the equation in point-slope form.

The formula is y=mx+b where:

m = slope

b = y intercept

However, the y intercept is just (0,0) so b = 0

To find the slope we already have 2 given points: (0,0) and (5,8)

To find slope you do rise/run and you get 8/5

Substitute the slope & y intercept in the formula:

y = 8/5x

Let me know if I'm wrong!!

6 0
2 years ago
Read 2 more answers
Convert each fraction to a decimal then a percent 4/25 3/11
sashaice [31]

Answer:

4/25=0.16=16%

3/11=0.27=27%

Step-by-step explanation:

5 0
2 years ago
A college counselor is interested in estimating how many credits a student typically enrolls in each semester. The counselor dec
Ket [755]

Answer:

(a) The usual load is not 13 credits.

(b) The probability that a a student at this college takes 16 or more credits is 0.1093.

Step-by-step explanation:

According to the Central limit theorem, if a large sample (<em>n</em> ≥ 30) is selected from an unknown population then the sampling distribution of sample mean follows a Normal distribution.

The information provided is:

Min.=8\\Q_{1}=13\\Median=14\\Mean=13.65\\SD=1.91\\Q_{3}=15\\Max.=18

The sample size is, <em>n</em> = 100.

The sample size is large enough for estimating the population mean from the sample mean and the population standard deviation from the sample standard deviation.

So,

\mu_{\bar x}=\bar x=13.65\\SE=\frac{s}{\sqrt{n}}=\frac{1.91}{\sqrt{100}}=0.191

(a)

The null hypothesis is:

<em>H</em>₀: The usual load is 13 credits, i.e. <em>μ</em> = 13.

Assume that the significance level of the test is, <em>α</em> = 0.05.

Construct a (1 - <em>α</em>) % confidence interval for population mean to check the claim.

The (1 - <em>α</em>) % confidence interval for population mean is given by:

CI=\bar x\pm z_{\alpha/2}\times SE

For 5% level of significance the two tailed critical value of <em>z</em> is:

z_{\alpha/2}=z_{0.05/2}=z_{0.025}=1.96

Construct the 95% confidence interval as follows:

CI=\bar x\pm z_{\alpha/2}\times SE\\=13.65\pm (1.96\times0.191)\\=13.65\pm0.3744\\=(13.2756, 14.0244)\\=(13.28, 14.02)

As the null value, <em>μ</em> = 13 is not included in the 95% confidence interval the null hypothesis will be rejected.

Thus, it can be concluded that the usual load is not 13 credits.

(b)

Compute the probability that a a student at this college takes 16 or more credits as follows:

P(X\geq 16)=P(\frac{X-\mu}{\sigma}\geq \frac{16-13.65}{1.91})\\=P(Z>1.23)\\=1-P(Z

Thus, the probability that a a student at this college takes 16 or more credits is 0.1093.

3 0
2 years ago
Read 2 more answers
Help! Directions too please!:)
NISA [10]
Slope of function B is "rising" 3 and going over to the right by 1. Representing the slope as 3/1 = 3.

Slope of function A is already giving. If you multiply the slope of function B by 2, it will equal the slope of Function A
 
7 0
3 years ago
Other questions:
  • Betty Donahue is choosing between two fitness centers. Center A charges $375 per year for unlimited use of all facilities. Cente
    11·2 answers
  • What is the coefficient of the second term of the trinomial? (4a+5)2=16a2+Ba+25 Enter your answer in the box. B =
    12·1 answer
  • What is the measure of angle ABC?
    11·1 answer
  • Evaluate each expression when x=2, y=-5 and z=3 <br> xy-z
    8·1 answer
  • Khalil bought a new book that has 300 pages.He wants to finish reading it in 8 weeks.He reads the same number of pages each week
    13·1 answer
  • Drag each equation to the correct location on the table.
    9·1 answer
  • Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    14·1 answer
  • Solve for x: x/5 = 75
    15·2 answers
  • Mary spent $15. If this was 20% of her earrings, how much money did she earned?
    13·1 answer
  • Which statement describes the graph of g(x) with respect to the graph of f(x)?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!