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
Alex17521 [72]
3 years ago
5

What is the equation of the line that passes through the point (4,−7) and has a slope of -1/2?

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
7 0

Answer:

y = -1/2 x - 5

Step-by-step explanation:

y = mx + b

m = slope = -1/2

y = -1/2 x + b

-7 = -1/2 * 4 + b

-7 = -2 + b

b = -5

y = -1/2 x - 5

jarptica [38.1K]3 years ago
6 0

Step-by-step explanation:

y = -0.5x + c

When x = 4, y = -7.

=> (-7) = -0.5(4) + c, c = -5.

Therefore the equation is y = -0.5x - 5.

You might be interested in
Tessa had $90 in her checking account. She paid her cable/internet bill for $60. She deposited $50 from her part-time job before
Lady bird [3.3K]

90-60+50-65=15


$15 in her account

4 0
3 years ago
Read 2 more answers
Simplify ratio 6:4 , please answer quick!!!
frez [133]

Answer:

3:2

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Find the equation of a line that contains the points (4, -2) and (-8, -1). Write the equation in slope-intercept form, using
zmey [24]

Answer:

y =−12 /1 x−3 /5

8 0
2 years ago
An urn contains nine red and one blue balls. A second urn contains one red and five blue balls. One ball is removed from each ur
il63 [147K]

Answer:

0.362

Step-by-step explanation:

When drawing randomly from the 1st and 2nd urn, 4 case scenarios may happen:

- Red ball is drawn from the 1st urn with a probability of 9/10, red ball is drawn from the 2st urn with a probability of 1/6. The probability of this case to happen is (9/10)*(1/6) = 9/60 = 3/20 or 0.15. The probability that a ball drawn randomly from the third urn is blue given this scenario is (1 blue + 5 blue)/(8 red + 1 blue + 5 blue) = 6/14 = 3/7.

- Red ball is drawn from the 1st urn with a probability of 9/10, blue ball is drawn from the 2nd urn with a probability of 5/6. The probability of this event to happen is (9/10)*(5/6) = 45/60 = 3/4 or 0.75. The probability that a ball drawn randomly from the third urn is blue given this scenario is (1 blue + 4 blue)/(8 red + 1 blue + 1 red + 4 blue) = 5/14

- Blue ball is drawn from the 1st urn with a probability of 1/10, blue ball is drawn from the 2nd urn with a probability of 5/6. The probability of this event to happen is (1/10)*(5/6) = 5/60 = 1/12. The probability that a ball drawn randomly from the third urn is blue given this scenario is (4 blue)/(9 red + 1 red + 4 blue) = 4/14 = 2/7

- Blue ball is drawn from the 1st urn with a probability of 1/10, red ball is drawn from the 2st urn with a probability of 1/6. The probability of this event to happen is (1/10)*(1/6) = 1/60. The probability that a ball drawn randomly from the third urn is blue given this scenario is (5 blue)/(9 red + 5 blue) = 5/14.

Overall, the total probability that a ball drawn randomly from the third urn is blue is the sum of product of each scenario to happen with their respective given probability

P = 0.15(3/7) + 0.75(5/14) + (1/12)*(2/7) + (1/60)*(5/14) = 0.362

8 0
2 years ago
Compute the measures of center for both the boys and girls data. Describe their differences. Use the terms mean and median to ju
polet [3.4K]

Answer:boys: median=50, mean=46

Girls: median= 33, mean=34

Step-by-step explanation:

Mean is the average. Median is the middle number. Both groups had 10 scores. Boys ranged from 15-81. Girls from 0-75; their mean & median would be less because their scores are less.

6 0
3 years ago
Other questions:
  • Jerome was curious if \triangle ABC△ABCtriangle, A, B, C was congruent to \triangle FED△FEDtriangle, F, E, D, so he tried to map
    9·1 answer
  • Find the measure of G
    10·1 answer
  • Describe the piecewise function below by evaluating the function for given values of the domain
    7·1 answer
  • For the 7:30 showtime, 140 movie tickets were sold. Receipts from $13 adult tickets and the $10 senior tickets totaled $1,664. H
    11·1 answer
  • Use the stem-and-leaf plot of Monthly Sales Goals to answer the question that follows.
    11·1 answer
  • In this diagram, m DCB = ???​
    13·1 answer
  • How to find point slope form from point and slope
    14·1 answer
  • What is the value of -2(x + 3)
    8·1 answer
  • Solve the inequality |y – 8| + 11 ≥ 19
    5·1 answer
  • Help, helping my cousin
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!