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Elanso [62]
2 years ago
8

Please help me with this homework

Mathematics
1 answer:
TiliK225 [7]2 years ago
5 0

Answer:

what do you need help with

Step-by-step explanation:

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Find the distance between each pair points (-5,3) , (-4,-5)?
MrRa [10]

Answer:

\sqrt{65}

Step-by-step explanation:

distance between two points:

d=\sqrt{(x_{2}-x_{1})^{2}+( y_{2}-y_{1})^{2}}

we have:

d=\sqrt{(-4-(-5))^{2}+(-5-3)^{2}} \\\\d=\sqrt{1^{2}+(-8)^{2}} \\\\d=\sqrt{65}

4 0
3 years ago
(2x+2y=10)+(-x+y=1)
ruslelena [56]
\bf \begin{cases}
2x+2y=10\\
-x+y=1
\end{cases}\\\\
-------------------------------\\\\
-x+y=1\implies y=1+x\impliedby \textit{let's plug that in the first equation}
\\\\\\
2x+2(\stackrel{y}{1+x})=10\implies 2x+2+2x=10\implies 4x=8
\\\\\\
x=\cfrac{8}{4}\implies \boxed{x=2}\impliedby \textit{let's plug that in the second one}
\\\\\\
-(\stackrel{x}{2})+y=1\implies \boxed{y=3}
7 0
3 years ago
I have litre of bottle of cola i drink 650 ml how much is left
TiliK225 [7]

There are 1000 ml in one liter if you drank 650 ml then:

1000 - 650 = 350

350 ml are left

:)))

7 0
3 years ago
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At the supermarket , 6 mangoes cost 6.12
Grace [21]

Answer:

good to know. but what's the question?

4 0
3 years ago
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What does88tens+389ones+21thousads=?
Kryger [21]

Answer:22,069

Step-by-step explanation:

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3 years ago
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