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STatiana [176]
3 years ago
10

There are 12 negative charges and 8 positive charges. Which integer represents the total value of the charges?​

Mathematics
1 answer:
NeTakaya3 years ago
8 0

Answer:

-4

Step-by-step explanation:

-12 + 8

-4

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A dozen gulab jamuns cost 3.49 how much will 5 dozen cost
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For all parts of this problem, P(Ā)=0.75 , P(B)=0.3 , and P(B∣A)=0.15
Marianna [84]

12. I assume \bar A denotes the complement of A, so

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6 0
2 years ago
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Suppose you got 8 mangoes and 3 apples for $18 and 3 mangoes and 5 apples for $14.50.
Mandarinka [93]
Let x = cost of mango
y = c of apples 
<span>8x+3y=18.
3x+5y=14.5 </span>

<span> </span>
<span>24x+9y=54
24x+40y=116
multiplying them with 3 and 8 resectively. </span>
<span>subtract one from the other we get </span>
<span>40y-9y=116-54 </span>
<span>31y=62 </span>
<span>y=2.
cost of apple=2$  per apple
</span><span>8x+3y=18,
 8x+3(2)=18.
8x=12. x=12/8=1.5 </span>
<span>cost of mango i= 1.5 $ per mango
hope this helps</span>
7 0
4 years ago
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