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
11111nata11111 [884]
3 years ago
14

Here are 10 test scores: 30, 74, 76, 77, 78, 79, 80, 80, 82, 84. The mean of these scores is 74.

Mathematics
1 answer:
creativ13 [48]3 years ago
8 0
We add up all those numbers (excluding 30) and divide by the number of numbers (9). This results in 78.8 (round up to 79).

79-74 = 5. So the mean has increased by 5 points. (C)
You might be interested in
How would I turn 0.46 into a fraction
Pepsi [2]
<span>Step 1: 0.46 = 46⁄100</span> 
<span>Step 2: Simplify 46⁄100 = 23⁄50</span><span>  hope this helped u</span>
6 0
3 years ago
Read 2 more answers
Please help!! I'll give brainleist
anygoal [31]

Answer:

m + g < 40

12m + 14g  > 250

Step-by-step explanation:

Given : Jordan is paid $12 per hour for mowing lawns and $14 per hour for planting gardens.

Let m represents the number of hours mowing lawns and g represents the number of hours planting gardens.

He can work a maximum of 40 hours per week, and would like to earn at least $250 this week.

Then, the system of the inequality becomes

m + g < 40

12m + 14g  > 250

3 0
3 years ago
(−2k <br> 3<br> −7k <br> 2<br> +5k)+(6k <br> 2<br> +3k)=
shusha [124]

Answer: 5k +7

Step-by-step explanation: -2k + -7k + 5k is -4K and 2+3=5 -4K +5 and 6k +3k= 9k + 2 then u do -4K plus 9k and get 5k next, 5+2

7 0
3 years ago
How many solutions are there?
e-lub [12.9K]
The answer should be two
5 0
3 years ago
I NEED HELP ASAP PLEASE
11Alexandr11 [23.1K]

Answer:

Step-by-step explanation:

Yo when you get these kind of questions you can use desmos calculator, for the future.

5 0
3 years ago
Other questions:
  • Help me with question 1 please
    11·1 answer
  • Eric has saved $18,300 toward a down payment on a house. He makes a salary of $59,750 a year. What is the maximum Eric could spe
    14·1 answer
  • Form a polynomial whose real zeros and degree are given.<br> Zeros: – 4, 0, 6;<br> degree: 3
    10·1 answer
  • HELP ASAP ILL GIVE BRAINLIEST!!!
    6·1 answer
  • What operation would you use to solve the equation below for y? y - 15 = 20
    5·2 answers
  • Pls write the steps u did​
    15·1 answer
  • Please help me with the questions Please please please ASAP please please help please please ASAP
    14·1 answer
  • HELPP ASAP!!<br> WHats the area?
    8·1 answer
  • In five successive hours, a car traveled 40 km, 45 km, 50 km, 35 km and 55 km. In the next
    6·1 answer
  • P (x) = - 2/3x^2 compare the graph of f (x) = x ^2
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!