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
Korolek [52]
3 years ago
7

What is the equation of the line that has a slope of 4 and passes through the point (3, -10?

Mathematics
1 answer:
irga5000 [103]3 years ago
3 0
Hello 
the equation is y = ax+b
a the slop    a = 4
y = 4x+b
the line <span>passes through (3, -10) :  -10 = 6(3)+b
b = -28
</span>the equation is y = 6x-28
You might be interested in
Mike makes 4 dozen cookies. He brings 75% of them for a party at his school. How many did he bring?
baherus [9]

Answer:

He brought 3 dozen cookies

She ate \frac{2}{5} of the bag of Doritos

She read 25 books

Step-by-step explanation:

∵ Mike makes 4 dozen cookies

∵ He brings 75% of them for a party at his school

- Multiply 75% by 4

∵ 75% = \frac{75}{100}=\frac{3}{4}

∴ He brought = \frac{3}{4} × 4

∴ He brought = 3

He brought 3 dozen cookies

∵ Sam bought a bag of Doritos

∵ She ate only 40% of them

∵ 40% = \frac{40}{100}=\frac{2}{5}

∴ She ate = \frac{2}{5} × 1

∴ She ate = \frac{2}{5}

She ate  \frac{2}{5} of the bag of Doritos

∵ Jamie took 50 books from the library

∵ She only read half of her whole stack

- Multiply half by 50

∴ She read = \frac{1}{2} × 50

∴ She read = 25

She read 25 books

3 0
3 years ago
in a random sample of 28 people, the mean commute time to work was 31.2 minutes and the standard deviation was 7.3 minutes. assu
antoniya [11.8K]

Answer:

The margin of error of u is of 3.8.

The 99% confidence interval for the population mean u is between 27.4 minutes and 35 minutes.

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 28 - 1 = 27

99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 27 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.99}{2} = 0.995. So we have T = 2.7707

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 2.7707\frac{7.3}{\sqrt{28}} = 3.8

In which s is the standard deviation of the sample and n is the size of the sample.

The margin of error of u is of 3.8.

The lower end of the interval is the sample mean subtracted by M. So it is 31.2 - 3.8 = 27.4 minutes

The upper end of the interval is the sample mean added to M. So it is 31.2 + 3.8 = 35 minutes

The 99% confidence interval for the population mean u is between 27.4 minutes and 35 minutes.

3 0
3 years ago
9) Farmer Joe has lots of rabbits and lots of predators on his farm. Only 3 out of every 10 rabbits live
qaws [65]
<h2>Answer: 90 rabbits</h2>

<em></em>

<h3><em>Step-by-step explanation:</em></h3>

<em>you will need 10 for every 3 rabbits so if you count in tens and three's </em>

<em>3=10</em>

<em>6=20</em>

<em>9=30</em>

<em>and so on..</em>

<em>when you get to 27 you'll be at 90 </em>

<em>27=90 </em>

<em>hope u understand :></em>

8 0
2 years ago
The graph of a function f is shown below. Find f(-1).
VMariaS [17]
Isn’t it 1 / 1 ?or something like that is positive for sure
4 0
3 years ago
The area of a rectangular pool is 6992 m².
Nina [5.8K]

Step-by-step explanation:

area=6992m2

length=92m

Now,

area of rectangle=6992

3 0
2 years ago
Other questions:
  • Without actually performing the operations, determine mentally the coefficient of the x²-term in the simplified form of the foll
    9·1 answer
  • Which point is on the graph of f(x)=2*5^x
    13·2 answers
  • The sum of a number and 7 decreased by 5
    9·1 answer
  • List the names and measures for pairs of same-side interior angles. Then find the sum of the measures for each pair. What is the
    5·2 answers
  • Plzzz I need help this is due today at midnight I have 30 min left plzzz help you will earn 50 points plzz help quick Loan Term
    12·1 answer
  • Find the slope of the line that passes through (7,5) and (5, 8).
    8·1 answer
  • In the word FLASHLIGHT what is the ratio of<br> vowels to total letters?<br> m.
    13·2 answers
  • Which expression can be used to solve the problem below? On a recent math test,
    14·2 answers
  • The Toy Company sells two types of kids' basketball hoops, Jordan size and Shaq size.
    12·1 answer
  • Complete the equation of the line through (-8,8) and (1,-10).
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!