3 years ago

A linear equation through the origin with a slope of negative three

Mathematics

2 answers:

Licemer1 [7]3 years ago

7 0

I believe that the answer to your question in b = 0.

OLga [1]3 years ago

4 0

Actually, this would be y= -3x because like the other user said, yes, b=0, that by itself is not an equation. You have to put it into a linear equation format, this one specifically being y=mx+b

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4x-10y=-16 and -7x+20y=23 elimination

mixas84 [53]

(-5/8, 27/20) is the answer.

6 0

4 years ago

Melissa, Juan, and Rafael served a total of 74 orders Monday at the school cafeteria. Rafael served 2 times as many orders as Ju

Sidana [21]

Let's named variables as M,J and R

The equation is M+J+R=74

We will represent M with J => M=J+6 and R=2J

when we replace in the equation we get

J+6+J+2J=74 => 4J=74-6 => 4J=68 => J=68/4 = 17

J=17 => M=6+17 => M=23 and R=2* 17 => R=34

Final answer is
Juan served 17 orders
Melissa served 23 orders and
Rafael served 34 orders

Good luck!!!!

7 0

4 years ago

4.5/w = 3 <br><br>what is the W?

Oduvanchick [21]

Answer:

w=1.5 or w=13.5

Step-by-step explanation:

this is one answer:

multiply w on both sides to leave u with

4.5=3w

divide both sides by 3

$\frac{4.5}{3}=\frac{3w}{3}$

1.5=w

_____________________

this is the second one if the first one is wrong:

multiply 4.5 on both sides so that the 4.5/w would leave u with just only w alone.

then 3*4.5=13.5

w=13.5

hope dis helps if not then im not dat smart enough ;?

3 0

3 years ago

Roman has 2 red pencils in his backpack. If this is 25% of the total number of pencils, how many pencils are in his backpack?

MrRa [10]

2 = 25%. 25% also means 1/4. So, it is a quarter of something. So. So find 100%, you have to multiply 2 by 4. 2 * 4 = 8. Roman has 8 pencils in his backpack.

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4 years ago

Read 2 more answers

A hardware store owner buys electric drills for $35.00 each. He marks up the price by 60%. What does the store sell each drill f

aliya0001 [1]

Answer:

$56.00

Step-by-step explanation:

35+(60/100)

=21

35+21

=$56.00

3 0

3 years ago