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salantis [7]
3 years ago
11

Solve each system of equations below by the substitution method. And show your work.

Mathematics
1 answer:
Simora [160]3 years ago
7 0
Instead of typing it all on here, I included my explanations with the work.

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How many solutions does an equation of the form x^2- k^2= 0 have?
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1. Use Difference of squares: a^2-b^2=(a+b)(a-b)
(x+k)(x-k)=0

2. Solve for x and k
x=+-k
k=+-x
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I’ll give brainliest please help! Explain the Polynomial equation using Long division
erastova [34]

Answer:

The solution is in the image

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. Halla la expresión algebraica de un
Assoli18 [71]

Answer:

100*x + 14*y

Step-by-step explanation:

Tenemos que en el sistema decimal un número de 3 cifras se representa de este modo:

100*x + 10*y + z

También es llamado descomposición polinómica y de esta manera podremos encontrar la expresión algebraica.

Nos dicen la relación entre unidades y decenas, 4 veces mayor las unidades que las decenas, por lo tanto:

z = 4*y

Reemplazamos y nos queda:

100*x + 10*y + 4*y

reduciendo nos queda:

100*x + 14*y

Por lo tanto esta sería la expresión algebraica.

3 0
3 years ago
In the figure below, segment HK and segment IJ intersect at P, and segment HI is parallel to segment Jk. Which of the following
My name is Ann [436]

Answer:

angle PHI

Step-by-step explanation:

Using the alternate interior angle theorem, we can figure out that PHI is congruent to PKJ

4 0
2 years ago
Write one hundred and fourteen thousandths as a decimal number.
Zarrin [17]

Answer:

0.114

Step-by-step explanation:

hope this help :)

8 0
3 years ago
Read 2 more answers
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