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VMariaS [17]
3 years ago
13

Find the value of the expression (2x-12)+(1/2xy-10) x=4 and y=7

Mathematics
1 answer:
Kisachek [45]3 years ago
7 0
They have many answers so find the least one
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The difference between two numbers is 28. The first number is three times the other number. What are the numbers? A. 14 and 42 B
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The answer would be A. 14 and 42
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Does the following infinite series converge or diverge? And does it or does it not have a sum 1/3-2/9+4/2718/81+...
Kaylis [27]

Answer:

Diverges

Step-by-step explanation:

See Image.

8 0
3 years ago
Use the value of the discriminant to determine the type of roots for x²-3x+1=0
nignag [31]

Hi,

Δ = 9 - 4 * 1 * 1 = 5

the roots are :

x1 = (3 - √5) / 2

x2 = (3 + √5) / 2

7 0
3 years ago
Which polynomial is in standard form
sukhopar [10]

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The third one

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7 0
3 years ago
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
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