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
gizmo_the_mogwai [7]
3 years ago
8

Q is directly proportional to r. Q is 76 when r is 20. Work out q when r is 45

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
3 0

Answer:

171

Step-by-step explanation:

Q~r

find k (k is the constant)

Q=kr

76=k×20

76=20k divide 20 on both sides giving you

k=3.8

then Q=k×r

Q=3.8×45

Q=171

You might be interested in
I’m confused can someone help me please !
Digiron [165]

Step-by-step explanation:

= x + x -2+ 1 -2x

=2x-3- 2x

=3 ans

hope it help you.

8 0
3 years ago
Read 2 more answers
Which are the soultions of the quadratic equation? x^2=7x+4
Vesnalui [34]

Answer:

Answer in image below

Step-by-step explanation:

3 0
3 years ago
Timothy spent $68 at Macy's. His purchases include a pair of jeans at $32 and 2 t-shirts at $x each. how much for each t-shirt.
maria [59]

Answer:

idk

Step-by-step explanation:

3 0
3 years ago
Peter and his four brothers combined all of their money to buy a video game. If 30% of the total money is Peter's, and $12.00 of
kari74 [83]

Answer:

$20.00

Step-by-step explanation:

t represents the total amount

0.25t = 5.00

Can you solve for t and answer?

Or logically

Peter's $5.00 is 1/4 (25%) of the total.

Therefore 4/4 is $20.00

6 0
2 years ago
Read 2 more answers
What is the polynomial -9+1/8x-7x^4+x^2-x^5 in standard form
Oduvanchick [21]

Answer:

-x^5 - 7x^4 + x^2 + (1/8)x - 9

Step-by-step explanation:

Rewrite the given -9+1/8x-7x^4+x^2-x^5 in descending order of the variable x:

-9+1/8x

-x^5 - 7x^4 + x^2 + (1/8)x - 9

7 0
3 years ago
Other questions:
  • Observers in two lighthouses K and L spot a ship S.
    7·1 answer
  • The reciprocal of 6 4/5 is
    13·2 answers
  • What is the difference between a constant and a variable
    11·2 answers
  • Distance between two points <br> (-5,5) and ( 3,-3)
    14·1 answer
  • 5t + 5 = 30 solve for t
    5·2 answers
  • Can someone give me the answer plz.
    15·1 answer
  • 6 times the difference of d and 5
    12·2 answers
  • How do you solve the following equation for x?<br><br> −2x²−8x+24=0
    10·1 answer
  • -2
    11·1 answer
  • question 8(multiple choice worth 5 points) (03.05 mc) a cylindrical well is 25 meters deep and has a diameter of 1.8 meters. app
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!