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
lara [203]
3 years ago
14

PLSSSS HELPP, Sharon has collected donations of $4.40, $3.12, $8.00, and $6.22 to help buy books for the new library. What is th

e mean (average) amount of donations she has collected?
Mathematics
1 answer:
hoa [83]3 years ago
6 0

Answer:

5.43500

Step-by-step explanation:

You might be interested in
Choose the answer. 3. (1 pt) Which is an example of the distributive property? A. 9 • (t + 5) = 9t + 45 B. 9 • (t + 5) = (t + 5)
saw5 [17]
The answer is A. this is because your are multiplying by 9 throughout
5 0
3 years ago
Read 2 more answers
Solve the application problem. Round to the nearest percent. An ice cream shop increased its number of flavors from 20 to 30. Wh
stiv31 [10]

Answer:

33%

Step-by-step explanation:

Why it is 33% is you minus 20 and 30 to get 10 then you just put that on top of 30 to get 10/30 and you will get 33%.

4 0
2 years ago
Find all real zeros of f(x) = 2x^2 +5x-18 algebraically.
den301095 [7]
2x2-5x-18=0

Two solutions were found :

x = -2
x = 9/2 = 4.500
Step by step solution :

Step 1 :

Equation at the end of step 1 :

(2x2 - 5x) - 18 = 0
Step 2 :

Trying to factor by splitting the middle term

2.1 Factoring 2x2-5x-18

The first term is, 2x2 its coefficient is 2 .
The middle term is, -5x its coefficient is -5 .
The last term, "the constant", is -18

Step-1 : Multiply the coefficient of the first term by the constant 2 • -18 = -36

Step-2 : Find two factors of -36 whose sum equals the coefficient of the middle term, which is -5 .

-36 + 1 = -35
-18 + 2 = -16
-12 + 3 = -9
-9 + 4 = -5 That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above, -9 and 4
2x2 - 9x + 4x - 18

Step-4 : Add up the first 2 terms, pulling out like factors :
x • (2x-9)
Add up the last 2 terms, pulling out common factors :
2 • (2x-9)
Step-5 : Add up the four terms of step 4 :
(x+2) • (2x-9)
Which is the desired factorization

Equation at the end of step 2 :

(2x - 9) • (x + 2) = 0
Step 3 :

Theory - Roots of a product :

3.1 A product of several terms equals zero.

When a product of two or more terms equals zero, then at least one of the terms must be zero.

We shall now solve each term = 0 separately

In other words, we are going to solve as many equations as there are terms in the product

Any solution of term = 0 solves product = 0 as well.
4 0
2 years ago
Read 2 more answers
What is the y-intercept for the following table?
ser-zykov [4K]
The first number for the Y it gives on the chart is the intercept
So 3 is correct
Hope that helped:D
5 0
2 years ago
Read 2 more answers
A ball is dropped from 256 feet above the ground. It bounces 1/4 as high as it fell.This is true for each successive bounce. Wha
shtirl [24]
On the third bounce, it will bounce (1/4)*(1/4)*(1/4) = (1/4)^3 times as high.

This means it will bounce up to 256*1/64 = 4 feet high.
6 0
2 years ago
Other questions:
  • Write the standard form of the line that has a slope of - and y-intercept of -2. Include your work in your final answer. Type yo
    13·2 answers
  • a train travels 304 miles in 4 hours if it continues to travel at the same rate how many miles will it travel in seven and a hal
    12·1 answer
  • A chef makes 3 containers of soup that fill a total 120 soup bowls. Each container of soup costs $30 to make. What is the cost p
    5·2 answers
  • The number 2 is chosen to begin a ladder diagram to find the prime factorization of 66. What other numbers could have been used
    9·1 answer
  • Write a word problem that can be solved by ordering 3 decimals to thousand include a solution
    7·1 answer
  • If randy earns $12.74 per hour, what is his overtime rate? How much should randy make if he works 45 1/2 hours during 1 week?
    6·1 answer
  • What are the coordinates of the circumcenter of this triangle?
    12·2 answers
  • What is the y-intercept in the equation 2y = x -8
    5·1 answer
  • Solve for d in the proportion
    5·2 answers
  • Please help me out. Thanks
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!