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
Zigmanuir [339]
2 years ago
13

The following dot plots describe the test scores on Mr. Santos final exam.

Mathematics
1 answer:
Tasya [4]2 years ago
5 0

second-period class average:

55+70+450+480+170+270+95 = 1590

1590/20 = 79.5

sixth-period class average:

65+225+480+595+270+190 = 1825

1825/20 = 91.25

on average, students in the sixth period class scored higher

You might be interested in
-4=g+1<br> A. g=-4<br> B. g=4<br> C. g=-5<br> D. g=-3
statuscvo [17]
C. g=-5 is the correct answer 

6 0
3 years ago
Read 2 more answers
Harold bought 20 toys for his nieces and nephews. The least expensive toy cost $8.21, and the most expensive toy cost $13.79. Wh
Usimov [2.4K]
The logical answer would be d

3 0
3 years ago
Read 2 more answers
4x^2-5x-15=0 how to find the vertex and y intercept
mezya [45]
ax^2+bx+c=0\\\\the\ vertex:\left(\frac{-b}{2a};\frac{-(b^2-4ac)}{4a}\right)\\\\y-intrcept=c\\=======================================\\\\4x^2-5x-15=0\\\\a=4;\ b=-5;\ c=-15\\\\\frac{-b}{2a}=\frac{-(-5)}{2\cdot4}=\frac{5}{8};\ \frac{-(b^2-4ac)}{4a}=\frac{-[(-5)^2-4\cdot4\cdot(-15)]}{4\cdot4}=-\frac{265}{16}\\\\\boxed{the\ vertex:\left(\frac{5}{8};-\frac{265}{16}\right)}\\\\\boxed{y-intercept:-15}
5 0
3 years ago
Please please help me on this
Goryan [66]

Answer:

a

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Help me plzzzzzzz guyssss
maks197457 [2]

Answer:

1. 75%

2. 20%

3. 20%

4. decrease 5.4%

Step-by-step explanation:

1. 119-68=51, 51/68=0.75

2. 30-24=6, 6/30=0.20

3. 18-15=3, 3/15=0.20

4. 762-721=41, 41/762=0.0538

5 0
2 years ago
Other questions:
  • 3 less than a number h is -12
    5·2 answers
  • A dog and a cat are 200 meters apart when they see each other. The dog can run at a speed of 30 m/sec, while the cat can run at
    8·2 answers
  • A plant is already 47 centimeters tall, and it will grow one centimeter every month.
    9·1 answer
  • PLEASE HELP!!!! NEED HELP!!!!
    7·1 answer
  • 1. Conrad wants to conduct a survey of students at his middle school to
    5·2 answers
  • Choose all that correctly describe bivariate data on a residual plot.
    14·1 answer
  • 25 Points Please help
    14·2 answers
  • Devin jumped off a cliff into the ocean in Acapulco while vacationing with his family. His height as a function of time could be
    11·1 answer
  • N less than 10 <br> .......................
    5·1 answer
  • Of the students in sixth grade, 3/4 pack their lunch. What percent of students pack their lunch
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!