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3 years ago

Provide a Venn diagram and specify whether the following argument is valid or invalid:

Mathematics

1 answer:

riadik2000 [5.3K]3 years ago

3 0

Answer:

Given argument is valid

Step-by-step explanation:

In venn diagram

M=Mammals

R=Reptiles

G=Gators

Given that

No mammals are reptiles ,So in the diagram we indicates by cross sign(x).Also given that some reptiles are gators ,so venn diagram of reptiles and gators will cross each other.

But from the above statement we can say that those gators are reptiles can not be mammals but those are not reptiles they can be mammals.Hence some gators are not mammals.

So given argument is valid

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evablogger [386]

Answer:

y= - 2

Step-by-step explanation:

You want to find the equation for a line that passes through the point (3,-2) and has a slope of 0.

First of all, remember what the equation of a line is:

y = mx+b

Where:

m is the slope, and

b is the y-intercept

To start, you know what m is; it's just the slope, which you said was 0. So you can right away fill in the equation for a line somewhat to read:

y=0x+b.

Now, what about b, the y-intercept?

To find b, think about what your (x,y) point means:

(3,-2). When x of the line is 3, y of the line must be -2.

Because you said the line passes through this point, right?

Now, look at our line's equation so far: . b is what we want, the 0 is already set and x and y are just two "free variables" sitting there. We can plug anything we want in for x and y here, but we want the equation for the line that specfically passes through the the point (3,-2).

So, why not plug in for x the number 3 and for y the number -2? This will allow us to solve for b for the particular line that passes through the point you gave!.

(3,-2). y=mx+b or -2=0 × 3+b, or solving for b: b=-2-(0)(3). b=-2.

5 0

3 years ago

Customers of a phone company can choose between two service plans for long distance calls. The first plan has a $22 monthly fee

vladimir2022 [97]

Company a = 22 + 0.07m
company b = 8 + 0.12m

We are looking for the time when the prices are equal. i.e. the price of company a = the price of company b

company a = company b
22 + 0.07m = 8 + 0.12m
22 - 8 = 0.12m - 0.07m
14 = 0.05m
m = 14/0.05
m = 280

Therefore, the two companies will cost the same if you talk for 280 minutes

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Answer:

Step-by-step explanation:

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NeTakaya

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