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yarga [219]
3 years ago
10

Which statement is true?

Mathematics
1 answer:
tino4ka555 [31]3 years ago
7 0
The answer is C

It’s C because like terms have the same variable.
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Los lados de un triángulo rectángulo tienen por medida tres números enteros consecutivos. Calcula los lados del triángulo.
elixir [45]

Answer:

Los lados del triángulo rectángulo miden 3, 4 y 5, respectivamente.

Step-by-step explanation:

Un triángulo rectángulo puede ser descrito mediante el teorema de Pitágoras, para el caso de tres lados representando tres números enteros consecutivos, tenemos que:

(n+2)^{2} = n^{2} + (n+1)^{2} (1)

Donde n es un número natural.

A continuación, expandimos la expresión y resolvemos:

n^{2}+4\cdot n +4 = n^{2} + n^{2} +2\cdot n + 1

n^{2}-2\cdot n -3 = 0

(n -3) \cdot (n+1) = 0

La única solución factible es n = 3. En consecuencia, los lados del triángulo rectángulo miden 3, 4 y 5, respectivamente.

4 0
3 years ago
How do you solve this equation ( ASAP PLS )
makvit [3.9K]
<span>Solve this by substitution:

</span>Solve 5x - 4y = -13 for x:<span><span><span><span>5x </span>− <span>4y </span></span>+ <span>4y </span></span>= -<span>13 + <span>4y     </span></span></span>(Add 4y to both sides)
<span><span><u>5x  </u></span>= <span><span><u>4y - </u><u>13 </u></span><u> </u>  </span></span>(Divide both sides by 5)
 5          5

<span>x = <span><span><span><u>4</u></span> y </span>+ -<span><u>13</u><span>
</span></span></span></span>      5        5
You can use https://www.mathpapa.com/algebra-calculator.html
5x - 4y = -13, 8x +10y = 12 (enter both equations with a comma between them and it will solve for you and show you step by step.


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4 years ago
Kevin purchased 5 hamburgers for $1.40 each and 6 sodas for $1.25 each. The tax on his order
Natali [406]
A. 14.50
Hope this helps
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3 years ago
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Slope intercept form of x+y=6​
blsea [12.9K]

Answer:

y=-x+6

Step-by-step explanation:

make it into y=mx+b form

x+y=6

-x      -x

y=-x+6

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3 years ago
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ALMOST DONE PLEASE HELP ME WITH MY LAST QUESTION!!!
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0 i guess

Step-by-step explanation:

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