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Lubov Fominskaja [6]
3 years ago
15

what is the square root of 5 plus the square root of 2 times 4 times the square root of 5 plus the square root of 2

Mathematics
1 answer:
telo118 [61]3 years ago
8 0
The answer is 16.29939
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If a=(1 2 3 4) find A×A and the relation determined by (I) y=2x (II) x+y​
kiruha [24]

Answer:

HOPE IT HELPS PLZ MARK ME BRAINLIEST

Step-by-step explanation:

A={1,2,3,4,5,6}

R={(x,y):y is divisible by x}

We know that any number (x) is divisible by itself.

(x,x)∈R

∴R is reflexive.

Now,(2,4)∈R [as 4 is divisible by 2]

But,(4,2)∈ /

R. [as 2 is not divisible by 4]

∴R is not symmetric.

Let (x,y),(y,z)∈R. Then, y is divisible by x and z is divisible by y.

∴z is divisible by x.

⇒(x,z)∈R

∴R is transitive.

Hence, R is reflexive and transitive but not symmetric.

4 0
3 years ago
Solve elimination 5x+y=9 10x-7y=-18
k0ka [10]
<h2>(1, 4)</h2><h2 />

To solve this system by addition, notice that if we add these two equations together, neither one of our variables will cancel out.

In this situation, we need to set things up so that when we do add our two equations together, one of the variables will cancel out.

Notice that we have a 10x in our second equation. if we had a -10x in our first equation, then the x's would cancel out.

To create a -10x, we can multiply the top equation by -2 to get a -10x.

From there, rewriting our equation gives us -10x - 2y = -18.

Now the x's cancel. Just add the equations together

now to get the two-step equation -9y = -36.

Solving from here, <em>y = 4</em>.

Now plug y into either one of the equations

to find that x =1.

So our solution is (1,4).

6 0
3 years ago
What is the answer please and thx
tankabanditka [31]

Answer:

idk.idk.idk

Step-by-step explanation:

ifk.idk.idk

8 0
3 years ago
Plisss help me in thiss
ahrayia [7]

Answer:

x=80

Step-by-step explanation:

The angle of a line is 180*.

The equation would be (x+20)+x=180

Subtract 20 from both sides: 2x=160

Divide by 2: x=80

That's your answer!

I hope this helps!

3 0
3 years ago
Read 2 more answers
Solve when c=7 and d=3 <br>5c-3d+11​
Studentka2010 [4]

Answer:

37

Step-by-step explanation:

5*7 is 35

3*3 is 9

35-9 is 26

26+11 is 37

6 0
3 years ago
Read 2 more answers
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