2 years ago

Which test point holds true for 2/5x-1/5y≥0

1 answer:

4 0

With the picture I've provided above, you are able to see the graph for 2/5x - 1/5y greater than or equal to 0.

Looking at the graph, you are able to detect many points that can be true to this equation.

(5,1) could be one point.

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A train leaves Los Angeles at 2 p.m. heading north at 50 mph. If the next train leaves three hours later and also heads north at

Mamont248 [21]

Since the first train has been travelling for 3 hours, we have the following equations:
$d=50t+3*50=50t+150$
$d=60t$

We want to know when they will be equal, so set these equal to eachother:
$60t=50t+150$
$10t=150$
$t=15$

So 15 hours after the second train leaves, they will be at the same distance. This is at 8AM since the second train leaves at 5PM.

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3 years ago

Read 2 more answers

In the recipe,3/4 cup of white sugar makes 8 slices of pie .if you want 48 slices of pie, how much white sugar do you need

Mashutka [201]

Hi!

We will solve this using proportions, like this:

3/4 cup for 8 slices of pie

x cup for 48 slices of pie

_______________________

x = ((3/4)*48)/8

x = (3*48)/(4*8)

x = 144/32

x = 4,5

You need 4 1/2 cups of white sugar for 48 slices of pie.

Hope this helps!

8 0

3 years ago

Please help will give brainlist

kramer

Answer:

It would be B, Both are linear because the slope is a normal number like 4&-5)

Step-by-step explanation:

They are both linear because they are straight lines.

4 0

2 years ago

Read 2 more answers

Evaluate the expression -36/-9

Shtirlitz [24]

The answer would be 4
(Positive 4 btw)

7 0

3 years ago

Jules has 1200 and is spending 40 per week. kelsey has 400 and is saving 50 a week. in how many weeks, will jules and kelsey hav

expeople1 [14]

After x weeks:
Jules will have: 1,200 + 40 x.
Kelsey will have: 400 + 50 x.
If we want to know in how many weeks will they have the same amount of money, we will make an equation:
400 + 50 x = 1,200 + 40 x
50 x - 40 x = 1,200 - 400
10 x = 800
x = 800 : 10
x = 80
Answer: In 80 weeks they will have the same amount of money.

4 0

2 years ago