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
deff fn [24]
2 years ago
6

HELP!!! Cheryl writes 7 fewer posts than Kevin on a social media site. Answer the questions to write an algebraic expression. Th

en evaluate the expression for the given value. 1. Choose a variable to represent the number of posts Kevin writes. Explain why you chose this variable. 2. Which operation (addition, subtraction, multiplication, or division) applies to this situation? Justify your choice. 3. Use your variable and the operation you identified to write an expression for the number of posts Cheryl wrote. 4. If Kevin wrote 21 posts, how many did Cheryl write?
Mathematics
1 answer:
hammer [34]2 years ago
7 0

Answer:

3

Step-by-step explanation:

cause if she writes 4 posts and kevin writes 21 than she only have 3 posts left that she have write

You might be interested in
What is the value of f(5) in f(x)=-2(x+1)
IceJOKER [234]

Answer:

-12

Step-by-step explanation:

4 0
3 years ago
A hiker is standing 40 feet away from a tree that is 50 feet tall.
Simora [160]

Answer:

87.9°

Step-by-step explanation:

arctan(50/40)=87.9°

6 0
3 years ago
Over the past 20 years the prices of homes have increased by 30%, resulting in the average price of a house being $500,000. What
9966 [12]

Answer:

In the best 30 years for the housing market (1976-2005), real price appreciation averaged 2.2% per year. In the worst 30 years for housing (1895-1924), real price appreciation averaged -2.0% per year.

6 0
3 years ago
Read 2 more answers
the axis of symmetry for a function in the form f(x)=x^2+4x-5 is x=-2. what are the coordinates of the vertex of the graph?
Alenkasestr [34]
Hello : 
<span>f(x)=x²+4x-5
</span><span>The axis of symmetry for a function in the form f(x)=x^2+4x-5 is x=-2 :
</span>f(x) = (x+2)² + b 
f(x) x²+4x+4+b=  x² +4x-5 
 4+b= -5 
b = -9
the vertex is : (2 , -9)
4 0
3 years ago
Read 2 more answers
Solve for d.<br> -4d + 7 = 3d
STALIN [3.7K]

Step-by-step explanation:

The Answer Is

-4d + 7 = 3d

So, 7 = 3d + 4d

Then, 7 = 7d

•d = 7/7

= 1

So D = 1.

4 0
2 years ago
Other questions:
  • What is the value of the exression below<br><br> 0.72/0.36*2
    8·1 answer
  • Find the radius of a circle with the given circumference.<br><br> C = 6 π in.<br><br> r = _____
    14·2 answers
  • What is the scale factor for the dilation
    15·1 answer
  • What is the midpoint of (-7.2,-0.7) and (1.2,-10.7)
    5·2 answers
  • If it takes 5 minutes for 5 machines to make 5 objects, then how long would it take for 100 machines to make 100 objects?
    15·1 answer
  • Solve the inequality-2(6+s)_&gt;-15-2s
    11·2 answers
  • Which of the following is not an example of a parent function?
    5·1 answer
  • I WILL GIVE BRAINLIEST! ONLY 5 MINS FIRST TO ANSWER GETS BRAINIEST!
    10·1 answer
  • 2 is what percent of 50?<br> Write your answer using a percent sign (%).<br><br> Pls help
    14·1 answer
  • Calen correctly wrote the equation y-3=1/5(x-10) to represent a line that Mrs. Adams sketched. Mrs. Adams then changed the line
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!