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
ivanzaharov [21]
3 years ago
15

Please help asap calculate the slope of the line through the points (6,-8) and (3,-4).

Mathematics
1 answer:
Taya2010 [7]3 years ago
7 0

Answer:

Step-by-step explanation:

Mathematically, we can calculate the slope

using the formula below;

m = (y2-y1)/(x2-x1)

Where (x1.y1) = (6,-8)

(x2, y2) = (3,-4)

So inputing these values into the formula, we have

m = (-4-(-8))/(3-6)

m = (-4+8)/-3 = 4/-3 = -4/3

Now, we want to write the equation of the line;

y= -4/3x + c

to get the value of c, we simply need to use any of the points. We use any of the two points by substituting the values of x and y at that point.

Let’s use (3,-4)

That would give ;

-4 = -4/3(3) + c

-4 = -4 + c

This means c = 0

Thus the equation of the line is y = -4/3x

Now to find out if the point (-3,4) is on the line

We only need to substitute the values of x and y here and see ;

Thus;

4 = -4/3(-3)

Sine 4 = 4

We can conclude that the point is on the line in question

You might be interested in
Listed below are speeds (mi/h) measured from southbound traffic on I-280 near Cupertino, California (based on data from SigAlert
adell [148]

Answer:

Option (B) is the correct answer to the following question.

Step-by-step explanation:

Step-1: We have to find the Mean of the series.

The series is Given in the question 62 61 61 57 61 54 59 58 59 69 60 67.

Mean(\overline{x})=\frac{62+61+61+57+61+54+59+58+59+69+60+67}{12} = 60.67

Step-2: We have to find the Standard Deviation.

Let Standard Deviation be x.

Formula of Standard Deviation is: s= \sqrt{\frac{\sum(x_{i}+\overline{x})}{n-1}}

Put value in formula of Standard Deviation,

s= \sqrt{\frac{(62+60.67)^{2}+(61+60.67)^{2}+(61+60.67)^{2}+(57+60.67)^{2}+....(67+60.67)^{2}}{n-1}} = 40.75

Step-3: Then, we have to find the critical value by chi-square.

X_{1-\alpha/2}^{2}=3.82

X_{1-\alpha/2}^{2}=21.92

Then, find the confidence interval which is 95%.

\sqrt{\frac{(n-1).s^2}{X_{\alpha/2}^{2}} } = \sqrt{\frac{12-1}{21.92}.(4.075)^2 }\approx2.8868 \\ i.e 2.9

\sqrt{\frac{(n-1).s^2}{X_{\alpha/2}^{2}} } = \sqrt{\frac{12-1}{3.816}.(4.075)^2 }\approx6.9188 \\ i.e 6.9

5 0
3 years ago
Write the percent as a mixed number in simplest form.<br> 168%
vladimir2022 [97]

Answer:

1 and 17/25

Step-by-step explanation:

First, you make it into a fraction. So because percents are out of 100, it would be 168/100. Then, you take 100 out of it to get a mixed number, 1 and 68/100, and then simplify 68/100 by dividing both sides by the greatest common factor, which is 4. 68/100÷4=17/25. The answer would be 1 and 17/25.

(hope this helps :P)

4 0
3 years ago
Brady has a four square ball with a diameter of 12 inches when it is inflated what is the volume of the foursquare ball to the n
polet [3.4K]

Answer:

904.9 in^3

Step-by-step explanation:

Given data

We are told that the ball is 12 inches in diameter

R= diamter/2= 12/2= 6 in

The volume of a sphere is given as

V= 4/3πr^3

substitute

V= 4/3*3.142*6^3

V= 4/3*3.142*216

V=2714.688/3

V=904.9 in^3

Hence the volume is 904.9 in^3

4 0
3 years ago
Manuel bought x x movie tickets for $6.50 each and y y bags of popcorn for $2.50 each. write an algebraic expression for the tot
Alekssandra [29.7K]
6.50x+2.50y = total 
with x = # of movie tickets 
with y= # of bags of popcorn
5 0
4 years ago
Witch would the phase ''the difference between a number and 4'' look like as a variable expersion
tia_tia [17]
Can you up load a picture .
3 0
3 years ago
Other questions:
  • Which number is written in scientific notation? <br><br> 6x10^11<br> 12x10^-8<br> 0.2x10^5<br> 8x7^2
    14·2 answers
  • Point C is located at (5, 7) and is reflected in the x-axis. What are the coordinates of point C'?
    8·2 answers
  • A frequency distribution lists the ▼ number type proportion of occurrences of each category of​ data, while a relative frequency
    5·1 answer
  • 12 less than 7 times a number x
    7·1 answer
  • Find the square root of 24-16√2​
    15·1 answer
  • How do you solve this problem?
    11·1 answer
  • A. 17 + 4p<br> b. 18 + 3d + 3p<br> c. 18 + 4p<br> d. 17 + 3d + 3p
    15·2 answers
  • Which graph shows the solution to the inequality Negative 3 x minus 7 less-than 20
    8·1 answer
  • Solve the equation for x:<br><br> 3x+5=20
    12·1 answer
  • What is LCM of 18,24,36,45
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!