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
Pani-rosa [81]
4 years ago
9

Mary is 21 years old. Her age is 9 years more than 3 times Henry’s age. Which equation can be used to determine x, Henry’s age i

n years?
Mathematics
1 answer:
nika2105 [10]4 years ago
4 0

Answer:4

Step-by-step explanation:

21=3x+9

12=3x

X=4

You might be interested in
Answer asap please will mark as brainlist
Leona [35]

Answer:

Exact Form:

√ 30

Decimal Form:

5.47722557 …

Step-by-step explanation: i would go with D

6 0
4 years ago
I need to know the answer to number one
Law Incorporation [45]
Supplementary angles are two angles whose measures sum to a 180 degrees and complementary are the sum have to add up to 90 degrees.So 180÷2=90;90÷2=45;180÷6=30 and 90÷6=15.Altough the answer is A.
5 0
3 years ago
The expression below is the factorization of what trinomial (5x+6)(3x-2)
Wittaler [7]
Multiply 5x to 3x and -2
multiply 6 to 3x and -2
15x^2-10x+18x-12

15x^2+8x-12
6 0
3 years ago
Is 15/28 equivalent to 25/45
Lana71 [14]
No, it's not.

15/28 equals to (about) 0.54 while 25/45 is (about) 0.56.
They are close, but not equivalent.<span />
7 0
3 years ago
Help if you can its kinda hard
zimovet [89]

The equation would be -9+-9 = -18

8 0
3 years ago
Read 2 more answers
Other questions:
  • Can someone explain how to do these questions or show me how?
    5·1 answer
  • 70 p x 2 1/2 = how many pounds
    5·1 answer
  • 1. Can √72 be completely simplified if it is broken up as √72=√9x8, explain why or why not?
    9·1 answer
  • Find the value of x.<br><br> log x 8 = 0.5<br><br> A. 4<br><br> B. 16<br><br> C. 32<br><br> D. 64
    11·1 answer
  • Steps on how to find $2.99 socks; 5.5% markup​
    13·1 answer
  • Walter walked 15.5 blocks from his house to work. It took him 35 minutes. What is his rate in blocks per hour?
    7·1 answer
  • PLEASE HELP ASAP! BRAINLIEST!<br> Is this a function???<br> {(0,2),(1,4),(2,8),(3,16),(4,32),(5,64)}
    14·1 answer
  • I got 40% off when I purchased a set of golf balls regularly priced at $20. How<br> much did I save?
    6·1 answer
  • In angle ABC, AB = 2.5 m, BC = 3.2 m and AC = 2.9 m. Use the Cosine Law to find
    9·1 answer
  • PLEASE ANSWER THIS QUESTION RIGHT.What do we call the graph of a quadratic?
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!