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
mrs_skeptik [129]
2 years ago
5

Write and evaluate algebraic expressions

Mathematics
1 answer:
Sloan [31]2 years ago
7 0

Answer:

9b+10s

Step-by-step explanation:

you are trying to find an expression for total cost after an unknown amount of hours. you need to multiply the number of hours (defined as b and s in this example) by the cost per hour given ($9/hr for the bike and $10/hr for the scooter).

this would result in the following expression: total cost=9b+10s

You might be interested in
if a pound of grapes cost $0.14 in 1960 and the price of grapes increased at the same rate as the CPI from 1960 to 1980 by appro
masya89 [10]

The CPI increased from 29.6 to 82.4.  

The rate of increase, is:

82.4/29.6 = 2.78

Now multiply this rate to the $0.14 price of grapes from 1960.

$0.14 x 2.78 = $0.39

Now to get the amount of increase subtract the new price from the original price:

$0.39 - $0.14 = $0.25 increase.

5 0
3 years ago
4 Gears A and B turn together. Gear A turns 20 times when
aleksandr82 [10.1K]

Answer:

  • 90 turns

Step-by-step explanation:

<u>Ratio of turns</u>

  • A/B = 20/30 = 2/3

<u>If A = 60 then the ratio is</u>

  • 60/B = 2/3 ⇒ B = 60*3/2 = 90
5 0
2 years ago
Please answer my questions!
timama [110]

Answer:

What is the question.

Step-by-step explanation:

Cant help u without one.

4 0
3 years ago
15 points for the right answer ,,,,!!!!!
Contact [7]
A is true, b is true, but c d aren’t and e is
5 0
3 years ago
a crane cable can support a maximum load of 15,000 kg. if a bucket has a mass of 2,000 kg and gravel has a mass of 1,500 kg for
Brut [27]
2000 + 1500g ≤ 15000
1500g ≤ 15000 - 2000
1500g ≤ 13000
g ≤ 13000/1500
g ≤ 8 2/3

Therefore, the crane can safely lift a maximum of 8 2/3 cubic meters of gravel.
7 0
3 years ago
Read 2 more answers
Other questions:
  • Solve for the value of X and Y please .
    8·2 answers
  • Allison created a table to help her represent the sample space of spinning a spinner and flipping a coin. What is the probabilit
    7·2 answers
  • Suzette went to the mall with her uncle Louie and ended up having to borrow some money to finish her holiday shopping. Suzette s
    13·1 answer
  • How are the sin 30° and the cos 60° related? Explain using complete sentences.
    15·1 answer
  • 8x to the 2nd power +2x-3=0
    10·1 answer
  • What is the expressions show the expanded form for 840.02 and plz answers in not nerdy thank you.
    11·1 answer
  • Consider the equation below.
    12·1 answer
  • How long is a banana
    13·2 answers
  • The bus was travelling at an
    8·1 answer
  • Can someone help me on this question? Harry and Tim both made New Years resolutions. Harry made 5 more resolutions than Tim. Tog
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!