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
Olegator [25]
4 years ago
9

Robert is 15 years older than his sister, Helen. The sum of their ages is 63. Find their ages.

Mathematics
1 answer:
USPshnik [31]4 years ago
8 0

Answer:

Helen is 24; Robert is 39

Step-by-step explanation:

If Helen's age is x, Robert's age is x + 15. We can write:

x + x + 15 = 63

2x + 15 = 63

2x = 48

x = 24

This means that Helen's age is 24 and Robert's age is 24 + 15 = 39.

You might be interested in
Help me please !
zhenek [66]
X=7 y =9 so answer is first one (7,9)
6 0
3 years ago
Suppose you know that the equilibrium amount of investment in the global market is $10.4 trillion, the equilibrium interest rate
horrorfan [7]

Answer:

10.4.

Step-by-step explanation:

Given: the equilibrium amount of investment in the global market is $10.4 trillion.

the equilibrium interest rate is 5.5%, the income tax rate is 7%,

In loan-able funds market equilibrium investment should be equal to equilibrium savings. Hence global savings are also equal to $10.4 trillion.

Correct choice is 10.4.

6 0
3 years ago
2. Brian thinks that 1.75 x 10-3 is less than 1.25 10-2. Is he correct? Justify your answer.
Anna [14]

Answer:

Yes

Step-by-step explanation:

3 0
2 years ago
Tania is considering renting a car for the weekend. The weekend daily rate is $29.99. If she plans on picking up the car on Frid
Anarel [89]
3 days so $30 * 3 = $90 - $0.03 = $89.97
4 0
3 years ago
Read 2 more answers
Solve the equation 4x² +7x-2=0.​
telo118 [61]

Answer:

x+11.5

Step-by-step explanation:

4x² +7x-2=0

16x+7x-2=0

23x-2=0

      +2  +2

23x=2

23x/2

x= 11.5

I hope these help.

3 0
4 years ago
Other questions:
  • Find three consecutive odd integers such that three times the square of the first integer is twelve more than the product of the
    14·1 answer
  • A deadline is approaching for a project at work and you are asked to put in more than the normal 40 hours of work for the first
    12·1 answer
  • On a test, if 80 questions are answered and 42% of them are correct, what is the number of correct answers
    5·1 answer
  • Help! I don’t understand it!
    14·2 answers
  • The number 305 (square root) lies between which two consecutive whole numbers?
    13·1 answer
  • de un tanque lleno de combustible se extrajo 4 litros y un quinto el primer dia y 9 litros y medio en el segundo dia.si la capac
    15·1 answer
  • What’s the area of this rounded to the nearest one’s place?
    15·2 answers
  • If the length of each side of a cuboid decreases by 20%, find the percentage decrease in its volume.
    15·1 answer
  • Pleas help I’ll make most Brainly
    11·2 answers
  • A gallon of Moo Milk costs 5.12$<br>What is the price, in dollars, of an 8 ounce glass of Moo Milk?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!