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
Romashka [77]
3 years ago
9

Freddy is two years old than her brother. Twelve years ago, she was twice as old as he was. How old were they? Equation

Mathematics
1 answer:
Hitman42 [59]3 years ago
8 0
F=2+b
12 years ago
f-12=2(b-12)
f=2+b
2+b-12=2(b-12)
b-10=2b-24
minus b both sides
-10=b-24
add24
14=b

14-12=2
2+2=4

freddy was 4 and brother was 2
they are now 16 and 14
You might be interested in
The graph of f(x) grows exponentially and the graph of g(x) grows linearly.
LenKa [72]
I am sorry i do not know
8 0
3 years ago
EASY points here Solve for H; P=2L+2H
e-lub [12.9K]
P=2L+2H
First, isolate 2H:
2H=P-2L
Second, get a singular value of H (just H):
2H/2=(P-2L)/2

Final answer: 

H=\frac{P-2L}{2}
7 0
3 years ago
Read 2 more answers
Susan runs 22 km in 2 hours and 45 minutes. What is her average speed in km an hour? Explain your answer please!
Tpy6a [65]

Answer:

22km= 2 hours and 45 mins

To find speed: Distance/Time

22/2.75 = 8

Your answer 8km/h

Step-by-step explanation: When finding speed, the formula is always distance divided by time. 45 minutes of 60 minutes is 3/4 of an hour, and 3/4 is 0.75 is decimal. So you add the 2 + .75, and you'll get 2.75. After you convert the time, you begin dividing and you'll get your answer!

4 0
3 years ago
if the ratio of similarity of the figures above is 2/3, then what is the ratio of the perimeters of the two figures?
Mademuasel [1]

Perimeter = side 1 + side 2 ´+ side 3.

Triangle 1

Perimeter = 6 + 8 + 10

= 24

Triangle 2

Perimeter = 9 + 12 + 15

= 36

Ratio

24/36 = 2/3

The ratio of the perimeters is also 2/3

5 0
1 year ago
Elias and Mark together have $756.80. Elias has $489.50. Write and solve an addition equation to determine how much money Mark (
Degger [83]

Answer:

489.5 + m = 756.80 (the amount elias has, added to marks is equal to the total

(756.8- 489.5 = 267.30 which is the amount mark has.)

m= 267.3

the last option is the correct option

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • Wesly reads 60 pages in 20 minutes if he reads at the same constant rate what equation could represent this as a proportional re
    8·1 answer
  • David is the president of his student council. When the leadership team met for the first time, he asked each person to shake ev
    9·2 answers
  • What are solutions to the inequality y is greater than or equal to -2 x +5
    15·1 answer
  • Which expression is equivalent to b^-e?<br>A. b+1/-e<br>B. 1/b^e<br>C. b^e
    5·2 answers
  • What is the slope in this equation
    9·1 answer
  • Morgan started the year with 615 in the Bank Eunice saving $25 per week Kendall started with 975 and is spending $15 per week th
    10·2 answers
  • CAN SOMEONE PLEASE HELP ME OUT ON THIS QUESTION PLEASE!!!! I WILL GIVE BRAINLIEST!!! I HAVE TO TURN THIS IN, IN AN HOUR!!!!
    9·1 answer
  • The 28 students in Mrs. Colby's class will share 98 slices of
    9·2 answers
  • Write <br> 8<br> 38<br> in lowest terms.
    7·1 answer
  • Determine the distance between each pair of points. Then determine the coordinates of the midpoint M of the segment joining the
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!