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
TEA [102]
2 years ago
12

Devaughn's age is two times Sydney's age. The sum of their ages is 21. What is Sydney's age?

Mathematics
1 answer:
levacccp [35]2 years ago
4 0

Answer:

The age is 7

Step-by-step explanation:

Devaughn's age is two times Sydney's age

and the sum of their ages is ? Let’s Sydney's age is X, Devaughn's age is (2X+X=21)

Therefore 3X=21

Rearranged is X= 21 divide 3

Therefore Sydney’s age is 7

You might be interested in
When writing a set of hypotheses for a situation, which of the following is true?
Andre45 [30]

Answer:

The Null hypothesis is a claim the researcher is trying to disprove. (I think)

Step-by-step explanation:

The null hypothesis states that there is no relationship between the two variables being studied (one variable does not affect the other). It states results are due to chance and are not significant in terms of supporting the idea being investigated.

4 0
3 years ago
Read 2 more answers
Pls help me with this
Julli [10]

Answer:

8125, im pretty sure this is right

Step-by-step explanation:

4 0
3 years ago
Simplify expression 3(d+5)
steposvetlana [31]

Answer:

your answer would be 21

~hope this is the right answer, have a great day/night~

Step-by-step explanation:

6 0
3 years ago
Name the slope and y-intercept in this equation y = 2x-5
svet-max [94.6K]

Answer:

Slope: 2

Y-intercept: (0,-5)

6 0
2 years ago
2) 4 tot he power of 3 = _______
Ghella [55]

Answer:

64

Step-by-step explanation:

4^3=64

4*4=16

16*4=64

8 0
3 years ago
Other questions:
  • I need to know the answer for the picture
    6·2 answers
  • An item is regularly priced at $15. It is now priced at a discount of 55% off the regular price.
    8·1 answer
  • The top two nets represent the triangular prisms that are attached to the bases of a rectangular prism. The composite figure is
    14·2 answers
  • Describe a time when someone around you made a decision based on authority of someone else?
    5·2 answers
  • PLEASE HELP!!! DESPERATE!!!<br> MATHS!!!<br> WILL AWARD BRAINLIEST!!!
    13·1 answer
  • If the probability that it will rain tomorrow is , what is the probability that it will not rain tomorrow? ASAP
    7·2 answers
  • Five surf shops sell the same pair of flip-flops for the following prices: $17.00, $15.50, $15.00, $18.00, $15.00. Find the mean
    5·2 answers
  • What is the slope m in the equation y = -2x + 5
    5·1 answer
  • The area of a rectangle is 96.3 calculate the width of the rectangle
    11·1 answer
  • How would you solve for x and y and what are x and y? Not sure what to do.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!