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
adoni [48]
3 years ago
9

A paint store sells EXTERIOR paint for $36.25 a gallon and paint rollers for $7.50 each write an equation in standard form for t

he number of gallons P of paint and rollers r that a customer goodbye was $185
Mathematics
1 answer:
aivan3 [116]3 years ago
4 0

Answer:

$185 = ($35.25 * P) + ($7.50 * r)

Step-by-step explanation:

If the total that the customer paid was $185 this means that the equation must equal $185. The equation itself must be the number of gallons of exterior paint (P) that the customer ordered multiplied by the price per gallon ($36.25), which is then added to the product of the number of rollers the customer ordered (r) and the price per roller ($7.50). This together would form the following equation...

$185 = ($35.25 * P) + ($7.50 * r)

You might be interested in
A plane can fly 540 miles with the wind in one hour less than it can fly 480 miles against the wind. The average wind speed is 3
Bess [88]

Answer:

The speed of the plane in still air = 150 mph

Step-by-step explanation:

This is a relative velocity question

Let the velocity of the plane in still air be v

And let the time the plane can fly 480 miles against the wind be t

(Velocity of the plane relative to the wind) = (velocity of plane) - (velocity of wind)

Flying against the wind

(Velocity of plane relative to the wind) = (480/t)

(Velocity of the plane) = v

(Velocity of the wind) = 30 mph

(480/t) = v - 30

t = 480/(v-30) (eqn 1)

Flying with the wind

(Velocity of plane relative to the wind) = 540/(t-1)

(Velocity of the plane) = v

(Velocity of the wind) = -30 mph

540/(t - 1) = v + 30

t - 1 = 540/(v+30) (eqn 2)

Since t is equal in both cases, substitute the value of t in eqn 1 into eqn 2.

[480/(v-30)] - 1 = [540/(v+30)]

Multiply through by (v+30)(v-30)

480(v+30) - [(v+30)(v-30)] = 540(v-30)

480v + 14400 - (v² - 900) = 540v - 16200

480v + 14400 - v² + 900 = 540v - 16200

v² + 540v - 480v - 16200 - 14400 - 900 = 0

v² + 60v - 31500 = 0

Solving the quadratic equation,

v = 150 mph or v = -210 mph

We'll pick the positive answer because of the directions we have established.

Therefore, the speed of the plane in still air = 150 mph

Hope this Helps!!!

3 0
2 years ago
PLEASE PEOPLE , I NEED HELP CAN YOU HELP ME PLEASE :,)
Tasya [4]

Step-by-step explanation:

= (1 + 5z)(-4)

= (1 + 5z) × (-4)

= 1.(-4) + 5z. (-4)

= -4 - 20z

3 0
2 years ago
Calculate the pay for the following day of a
Montano1993 [528]

Answer:

$114.75

Step-by-step explanation:

6 0
3 years ago
You can solve the following proportion by cross multiplying. What will the equation be after you cross multiply? 3/9 = x/15
aksik [14]
 3         x
---- = -----
  9       15

so 9x = 45 (and x =5).
4 0
3 years ago
Read 2 more answers
A parallelogram is___a rhombus.<br><br> 1. always<br> 2.sometimes<br> 3.never
musickatia [10]
I will mark brainlist please help

Story : A Dog’s Tale by Mark Twain

4. Read this sentence from the selection.

“Whenever she heard a large word she said it over to herself many times, and so was able to keep it until there was a dogmatic gathering in the neighborhood.”

In this sentence the word dogmatic is used as —

• an insightful simile
• a descriptive metaphor
• a humorous play on words
• an illuminating allusion


5. In the last paragraph the narrator says his mother would “fetch out a long word.” The connotations of the word fetch remind the reader that the narrator’s mother —

• is well educated
• is a dog
• knows lots of big words
• likes to show off


8. What is ironic about the author’s mother showing off with her knowledge of the word unintellectual?

• Her child knew she didn’t understand the word correctly.

• The strangers all already knew the meaning of the word.

• As any intellectual would know, the word should be “nonintellectual.”

• She did not know any synonyms for the word.


9. Which type of person is most like the author’s mother?

• A high-performing student with an excellent memory for words

• A very verbal person who always has a quick answer that sounds good

• A dishonest person who tells lies on a regular basis

• A person who likes dogs a lot and works at a veterinary clinic
4 0
2 years ago
Read 2 more answers
Other questions:
  • GCF of 8x^8 and 28x^4
    5·1 answer
  • Mark commutes to work on his bicycle
    5·1 answer
  • What’s grader -77 or -54
    11·2 answers
  • What is the area of the polygon given below?
    7·2 answers
  • Olivia was baking. The recipe called for seven cups of flour and three cups of sugar.she already put two cups of flour. How many
    12·1 answer
  • Given the equation y = 3x-5, what is the slope
    10·1 answer
  • Two customers go to a fast food restaurant the first customer buys two burgers and one french fry for $4.75 the second customer
    10·1 answer
  • PLEASE HELP ME, I know these are easy but I forgot to do this assignment and now i don't remember how to do any of it.
    6·2 answers
  • Hey can someone help me out with this?
    12·1 answer
  • Using the net below, find the surface area of the triangular prism.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!