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malfutka [58]
3 years ago
7

Is -1.2 a rational number

Mathematics
1 answer:
zhannawk [14.2K]3 years ago
6 0
Yes, -1.2 is a rational number
You might be interested in
If tan θ=3\4 , find csc
Rom4ik [11]

In a rectangular triangle \tan\theta\dfrac{opposite}{adjacent}.

We have \tan\theta=\dfrac{3}{4}

Therefore opposite = 3uints and adjacent = 4units.

\csc\theta=\dfrac{hypotenuse}{opposite}

We need the length of hypotenuse.

Use the Pythagorean theorem:

h^2=3^2+4^2\\\\h^2=9+16\\\\h^2=25\to h=\sqrt{25}\to h=5units

Substitute:

\csc\theta=\dfrac{5}{3}

3 0
4 years ago
. What number is half way between –9 and + 3. first one who gets this get brainliest
strojnjashka [21]
<span>We see the numbers on a number line

_____|___|___|___|___|___|___|___|___|___|___|___|___|____>
         -9   -8    -7    -6   -5    -4    -3    -2   -1     0    1      2    3
           <______________________________|_________>
                                         9                                       3
</span><span>You need to add both distances
</span><span>
|-9| + 3 = 9 + 3 = 12  

</span><span>half
</span><span>12 : 2 = 6


</span><span>Now , we measure the distance towards the center section
</span><span>1 way
-9 + 6 = -3
2 way
3 - 6 = -3

Answere : -3

</span>_____|___|___|___|___|___|___|___|___|___|___|___|___|____>
         -9   -8    -7    -6   -5    -4    -3    -2   -1     0    1      2    3
           <___________________|____________________>
                              <span>   6                                     6
</span><span>we used the average math
</span>| - 9 |  <span>means that the assumed value of -9 9 (positive )</span>
<span>


</span>
4 0
3 years ago
Read 2 more answers
Select an (even) integer randomly from the set {0, 2, 4, 6, 8}. then select an integer randomly from the set {0, 1, 2, 3, 4}. le
arlik [135]
X+4=y
8 +4 = y. y=12

x=8
4 0
4 years ago
(7x-12)+(13-2x)<br><img src="https://tex.z-dn.net/?f=%287x%20-%2012%29%20%2B%20%2813%20-%202x%29" id="TexFormula1" title="(7x -
Julli [10]
The answer is : 5x+1
5 0
3 years ago
Help me plz! if you can
IgorLugansk [536]
Answer: 180/540
Simplified term would be 1/3
The answer is b
3 0
3 years ago
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