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MrRa [10]
3 years ago
5

What is the slope- intercept form of 4x+5y=20

Mathematics
1 answer:
True [87]3 years ago
5 0

Answer:

y = -4/5x + 4

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Equality Properties

<u>Algebra I</u>

Standard Form: Ax + By = C

Slope-Intercept Form: y = mx + b

  • m - slope
  • b - y-intercept

Step-by-step explanation:

<u>Step 1: Define</u>

Standard Form:   4x + 5y = 20

<u>Step 2: Rewrite</u>

  1. Subtract 4x on both sides:                    5y = 20 - 4x
  2. Divide 5 on both sides:                          y = 4 - 4/5x
  3. Rearrange:                                              y = -4/5x + 4
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Can you Help me please lol
AVprozaik [17]

Answer:

Slope is 4/5

Step-by-step explanation:

The two points are (3,3) and (-2,-1)

The slope formula is Y2-y1 / x2-x1

So substituting in

-1-3/ -2 -3

-4/-5 = 4/5

You can check it by "walking" up 5 and over to the right 4 on the graph and see that it works.

5 0
3 years ago
Can someone explain this for me??<br> 4 (c+2) &lt; 4c + 10
faust18 [17]

Answer:

The inequality would be true

Step-by-step explanation:

4(c+2) < 4c + 10

Distribute the 4 on the left

4c + 8 < 4c + 10

Subtract 4c from both sides

8 < 10

8 < 10 is true

7 0
3 years ago
Martin is saving for a gaming system. The total cost of the gaming system and three games is $325.49. About how much money shoul
aksik [14]
First you would do $325.49 divided by 10 and you would get $32.55. so you would need $32.55 a week. 
6 0
3 years ago
Consider the baggage check-in process of a small airline. Check-in data indicates that from 9am to 10am, 220 passengers checked
Lady bird [3.3K]

Answer:

3.6 minutes.

Step-by-step explanation:

According to the data given in the question, between 9 and 10 AM, 220 passengers have checked in which means that the check-in rate is 3.6 passengers per minute. If the average number of passengers waiting for check-in is 32 and if we assume that the check-in rate is constant throughout the day, then the average passenger had to wait in line for 3.6 minutes.

4 0
3 years ago
A car travels 15 1/10 miles in 1/3 of an hour. What is the average speed, in
jasenka [17]

Step-by-step explanation:

Miles = 15 1/10

Miles = 151/10 miles

Hour = 1/3 hour

Av = 151/10 miles / 1/3 hour

Av = 151/10 × 3 / 1/3 × 3

Av = 453/10 miles / hour

Av = 45,3 mil / h

4 0
3 years ago
Read 2 more answers
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