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Verdich [7]
3 years ago
6

9+10=

Mathematics
2 answers:
Marina CMI [18]3 years ago
8 0
The answer is 19 and everyone says 21 because they want to be cool
Fiesta28 [93]3 years ago
6 0
The equation sums up to be 19.

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Helen bought notebooks and pencils for school. The number of pencils she bought is given by 6(n-3) , where n is the number of no
pychu [463]
So the number of pencils bought can be represented by an equation: P=6(n-3), where n is the number of notebooks bought. Since Helen bought 5 notebooks, simply plug 5 into n: P=6(5-3)=6(2)=12. So Helen bought 12 pencils.
3 0
3 years ago
Can you tell which of the following triangles are right and explain
luda_lava [24]
12 because triangles will always have an odd number, and 12 is even
I think
6 0
3 years ago
If 0.9x-1.3=-3.1, what is the value of x-0.8?
Butoxors [25]
−<span>2.8
</span>Okay so "0.9x-1.3=-3.1" x=-2
 
<span><span><span>0.9x</span>−1.3</span>=<span>−3.1

</span></span>add 1.3 to both sides

<span><span><span><span>0.9x</span>−1.3</span>+1.3</span>=<span><span>−3.1</span>+1.3

</span></span><span><span>0.9x</span>=<span>−1.8

</span></span>divide both sides by 0.9

<span><span><span>0.9x/</span>0.9</span>=<span><span>−1.8/</span><span>0.9

</span></span></span>x=<span>−2</span>

So if you plug in -2 into "x-0.8" you get −2.8

<span>=<span><span>−2</span>−0.8

</span></span><span>=<span><span>−2-</span><span>0.8

</span></span></span><span>=<span>−2.8

</span></span>Hope this helps. 
3 0
3 years ago
Read 2 more answers
Can someone please help me
natali 33 [55]

Answer:

no nononononmonno

Step-by-step explanation:

jahgajahahahhahahahahhavdbsvfbsbdvdv

5 0
3 years ago
How to estimate 208 + 569
BARSIC [14]
Well just lookin at it and guessing I would say the estimate would be 777 bc u know that 8+9=17 den carry the one and u know that 1+6=7 and u know that 5+2=7 and yea
Hope this help good luck have a nice nite
5 0
3 years ago
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