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ikadub [295]
2 years ago
5

On an island live people who always tell the truth and people who always lie. In the

Mathematics
1 answer:
Naya [18.7K]2 years ago
4 0
<h3><em>I think the answer is "None"</em></h3>

<em>Correct me if I'm wrong</em>

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Im just giving out points whats 2+1
omeli [17]

Answer:

3

Step-by-step explanation:

3 mah fwend omg so hard my brain hurts

4 0
3 years ago
Read 2 more answers
Determine the values of a for which the following system of linear equations has no solutions, a unique solution, or infinitely
navik [9.2K]

Answer:

Never

Never

Never

Step-by-step explanation:

The equations given are

2x1−6x2−4x3 = 6 ....... (1)

−x1+ax2+4x3 = −1 ........(2)

2x1−5x2−2x3 = 9 ..........(3)

the values of a for which the system of linear equations has no solutions

Let first add equation 1 and 2. Also equation 2 and 3. This will result to

X1 + (a X2 - 6X2) - 0 = 5

And

X1 + (aX2-5X2) + 2X3 = 8

Since X2 and X3 can't be cancelled out, we conclude that the value of a is never.

a unique solution,

Let first add equation 1 and 2. Also equation 2 and 3. This will result to

X1 + (a X2 - 6X2) - 0 = 5

And

X1 + (aX2-5X2) + 2X3 = 8

The value of a = never

infinitely many solutions. 

Divide equation 1 by 2 we will get

X1 - 3X2 - 2X3 =3

Add the above equation with equation 3. This will result to

3X1 - 8X2 - 4X3 = 12

Everything ought to be the same. Since they're not.

Value of a = never.

4 0
3 years ago
Val is going to plant n vegetables seeds in one garden and 2n+5 vegetables seeds in another. How many seeds is Val going to plan
mezya [45]
Val will plant:
2n+5+n
seeds. 

This is equal to:
3n+5

So, in total, Val will plant 3n + 5 seeds.
8 0
3 years ago
I will rate you brainliest/ / / Tonicha is creating two triangular gardens in her backyard. The total area of each triangle vari
victus00 [196]

Answer:

The area of larger triangle is 48 ft².

Step-by-step explanation:

Assuming that the area of triangle formula is A = 1/2 × base × height. Then, you have to substitute the following values :

area =  \frac{1}{2}  \times b \times h

let \: b = 12,h = 8

area =  \frac{1}{2}  \times 12 \times 8

area =  \frac{1}{2}  \times 96

area = 48  \: {feet}^{2}

5 0
3 years ago
Read 2 more answers
How do you change this into simplest form?
bulgar [2K]
You devide by 4 and it is 21 over 25
4 0
3 years ago
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