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
Juliette [100K]
3 years ago
10

Given: x+21=7(x+9) Find: x^2+5x

Mathematics
1 answer:
dlinn [17]3 years ago
5 0

Answer:

14

Step-by-step explanation:

x+21=7(x+9)

x+21=7x+63

-6x=42

x=-7

(-7)^2+5(-7)

=49+(-35)

=49-35

=14

You might be interested in
what are all the square numbers
jok3333 [9.3K]

Answer: So, 0, 1, 4, 9, 16, 25, 36, 49, 64, 81, 100, 121, 144, and so on, are all square numbers.

hope this helps

8 0
2 years ago
Simplify. y^-3 pls help me i need this very bad
prisoha [69]
My understanding is that when the power is a negative number, move it to the denominator and change it to positive. 
In this case, the base is y, the power is -3
y^(-3)=1/(y^3)
7 0
3 years ago
3. Find the scale factor for the drawing. Im=100cm​
kap26 [50]

Answer:

Dude where is the picture

Step-by-step explanation:

SPAMMING TILL ON LEADERBOARD

3 0
3 years ago
PLEASE HELP :’( last one
valina [46]

Answer:

A.3

Step-by-step explanation:

5 0
3 years ago
38 x 97 help help help
Free_Kalibri [48]

Answer:

3686

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • The person who answers this will get brainliest, also a five start rating, and a thank you!
    15·1 answer
  • 3x + 7y = 21 solve for y
    9·1 answer
  • Your mom has sent you to buy a new suit, and will let you get new shoes too if you keep it under $200. The suit you want to buy
    12·1 answer
  • Solve each of the following quadratic equations (x+7)(x+1)=0
    7·1 answer
  • ken wants to rent a car for a week and to pay to more than $130. how far can he drive if the car rental cost $94 a week plus $0.
    14·1 answer
  • Please help me on these please it’s due today
    6·1 answer
  • Help me pls I need it for my quiz​
    8·1 answer
  • There are 12 girls and 10 boys in Mrs. Jones’ Kindergarten class. How many ways can she choose a line leader and a caboose each
    8·1 answer
  • I don't know how to find the answer for (3 + 6b + 3b^2). I'm still confused even after my teacher explained it. Could someone br
    10·1 answer
  • Anny’s Bikes rents bikes for $10 plus $4 per hour. Janice paid $30 to rent a bike.
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!