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Y_Kistochka [10]
3 years ago
13

-(5) + 9=Need help please

Mathematics
2 answers:
Vera_Pavlovna [14]3 years ago
7 0
The answer is 4 hope this helps
V125BC [204]3 years ago
4 0
Hello there.

-(5) + 9=Need help please<span><span>
−5</span>+9</span><span>=4
Answer: 4</span>
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If a=2, b=3 and c=4 then find the numerical value of a2+2abc+b2+c2<br>​
qaws [65]

a=2 b=3 and c=4. then,

<em>a2+2abc+b2+c2</em>

<em>a2+2abc+b2+c2</em><em>=</em><em> </em><em>2</em><em>^</em><em>2</em><em>+</em><em>2</em><em>×</em><em>2</em><em>×</em><em>3</em><em>×</em><em>4</em><em>+</em><em>3</em><em>^</em><em>2</em><em>+</em><em>4</em><em>^</em><em>2</em>

<em>(</em><em>replace</em><em> </em><em>value</em><em> </em><em>of</em><em> </em><em>a</em><em>,</em><em> </em><em>b</em><em>,</em><em> </em><em>c</em><em> </em><em>by</em><em>2</em><em>,</em><em>3</em><em>,</em><em>4</em><em> </em><em>respectively</em><em> </em><em>tgen</em><em> </em><em>solve</em><em>)</em>

<em>=</em><em> </em><em>4</em><em>+</em><em>4</em><em>8</em><em>+</em><em>9</em><em>+</em><em>1</em><em>6</em>

<em>=</em><em> </em><em>7</em><em>7</em><em>…</em><em>…</em><em>…</em><em>…</em><em>…</em><em>…</em>

<em> </em><em>Therefore</em><em>,</em><em> </em><em>7</em><em>7</em><em> </em><em>is</em><em> </em><em>correct</em><em> </em><em>answer</em><em>.</em>

7 0
3 years ago
What is wrong with the following proof that for every integer n, there is an integer k such that n &lt; k &lt; n + 2? Suppose n
expeople1 [14]

Answer:

c)The proof writer mentally assumed the conclusion. He wrote "suppose n is an arbitrary integer", but was really thinking "suppose n is an arbitrary integer, and suppose that for this n, there exists an integer k that satisfies n < k < n+2." Under those assumptions, it follows indeed that k must be n + 1, which justifies the word "therefore": but of course assuming the conclusion destroyed the validity of the proof.

Step-by-step explanation:

when we claim something as a hypothesis we can only conclude with therefore at the end of the proof. so assuming the conclusion nulify the proof from the beginning

4 0
3 years ago
PLEASE HELP ASAP!
Marta_Voda [28]

Let x = larger odd integer

  then (x-2) is the smaller odd integer

 

Translate:

   "sum of two consecutive odd integers is 80"    means   (x-2) + x = 80

 

 2x -2 - 80

  2x = 82

   x = 41

4 0
3 years ago
Read 2 more answers
there are 52 cards in a standard deck of playing cards. You are combining decks of cards so that you can play a game with a larg
lawyer [7]
The answer would be 208
8 0
3 years ago
residents in r county can use the expression (v × 0.5501 - 4800) ÷ (1000 × 34.67) what is the property tax on a $190000. home?
alexandr1967 [171]

Given:

Property-tax in thousands of dollars

tax(v)=(v × 0.5501 - 4800) ÷ (1000 × 34.67)

where v=valuation of the property

for v=190000,

tax(190000)=(190000*0.5501-4800)/(1000*34.67) = 2.876 (in 1000$)

So property tax = $2876

7 0
3 years ago
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