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
Andrews [41]
2 years ago
12

The father is three times as old as his son, Joe. Joe is four years older than his sister, Alexa. Alexa is twice as old as Rocky

. Let R equal Rocky's age. Write an algebraic expression. Please Help!
Mathematics
1 answer:
guapka [62]2 years ago
5 0

Answer:

R=(F/3-4)/2

Step-by-step explanation:

Father = F

Joe = J

Alexa = A

R= Rocky

F=3J

A+4=J

A=2R

F/3=J

A=J-4

A=F/3-4

2R=F/3-4

R=(F/3-4)/2

Hope this helps!

You might be interested in
9 markers cost $11.50. How much would 7 markers cost?
Anna007 [38]

Answer:

7 markers cost $8.95

Step-by-step explanation:

9x = 11.50

x = 11.5/9 = 1.278

Therefore, 7 markers, or 7x = 7(1.278) = 8.946

8 0
3 years ago
Read 2 more answers
Last year, sales at a book store increased from $5,000 to $10,000. This year, sales decreased to $5,000 from $10,000. What perce
suter [353]

Sales increased 50% last year, from $5,000 to $10,000. When sales dropped from $10,000 to $5,000 this year, sales decreased 50%

5 0
3 years ago
What is the present value of ​$3,000 per year for 9 years discounted back to the present at 10 ​percent?
Studentka2010 [4]

Answer:

$17,277.07

Step-by-step explanation:

Present value of annuity is the present worth of cash flow that is to be received in the future, if future value is known, rate of interest is r and time is n then PV of annuity is

PV of annuity = \frac{P[1-(1+r)^{-n}]}{r}

                      = \frac{3000[1-(1+0.10)^{-9}]}{0.10}

                      = \frac{3000[1-(1.10)^{-9}]}{0.10}

                      = \frac{3000[1-0.4240976184]}{0.10}

                      = \frac{3000(0.5759023816)}{0.10}

                      = \frac{1,727.7071448}{0.10}

                      = 17,277.071448 ≈ $17,277.07

3 0
3 years ago
Question 12 please , thank you in advance.
Monica [59]

I thing it might be C

5 0
3 years ago
Read 2 more answers
(05.02)A doghouse is to be built in the shape of a right trapezoid, as shown below. What is the area of the doghouse?
LenaWriter [7]

Answer:

32.5 square feet

Step-by-step explanation:

The formula for a trapezoid is a= 1/2*(b1+b2)*h. B1 and b2 would represent the two bases given and therefore doesn't matter what order you put them in. Plug in all values into the equation and you'll get 1/2*(5+8)*5 then 1/2*(13)*5. Next simplify to get 6.5*5 which then equates to 32.5.

5 0
3 years ago
Other questions:
  • Please help me idk what this is
    8·2 answers
  • Tryna pass these midterms​ help me please
    13·1 answer
  • Lol can someone help me on #'s 1 and 3 I'm confuzzled as ever LOL
    13·2 answers
  • Ethan claims that StartAbsoluteValue 7 minus 3 EndAbsoluteValue = 4. Which statement about Ethan’s claim is true?
    11·1 answer
  • I don't understand this question on Systems of Equations unit. (Algebra 1) It says "A farmhouse shelters 11 animals. Some are go
    6·1 answer
  • SCC U of 1 pt 3 of 1 1.2.11 Assigned Media A rectangle has a width of 49 centimeters and a perimeter of 216 centimeters. V The l
    15·1 answer
  • If A = E then what does b = ?
    8·2 answers
  • What is the value of x in the equation Three-fifths x = negative 45?
    9·1 answer
  • Write the expression below in simplest form. 3x^2 + 8x -1+2(x^2 +5x+3) (work shown please!)
    12·2 answers
  • Consider the following Basic Box and Whisker Plot, what is the interquartile range of the data shown on the graph
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!