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stiv31 [10]
3 years ago
10

I just can't do thissssssssss

Mathematics
2 answers:
mel-nik [20]3 years ago
3 0

Answer:

B

Step-by-step explanation:

Nostrana [21]3 years ago
3 0

Answer:

A. (0, 3)

Step-by-step explanation:

Comparing this equation to y = mx + b where m is slope and b is y-intercept. We get the values for them is as follows,

m = -4\\b = 3

So here the value of the y-intercept b is 3. The point must lie on Y-axis so x value of it must be 0. So the y-intercept point is (0,3)

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Una persona asegura que su casa tiene forma rectangular y que el perímetro de la misma es de 18 m y que además, su área es de 21
leva [86]

Considerando las fórmulas para el perímetro y el área de un rectángulo, hay que se chega en una <u>eccuación cuadrática sin solución</u>, o sea, las medidas no son posibles y la persona estaba mintiendo.

<h3>¿Cuál es la fórmula para el perímetro y el área de un rectángulo?</h3>

Considerando que las dimensiones son l y w, hay que:

  • El perímetro es: P = 2(l + w).
  • El área es: A = lw.

El <u>perímetro es de 18 m</u>, o sea:

2(l + w) = 18

l + w = 9

l = 9- w.

El <u>área es de 21 m²</u>, o sea:

lw = 21

(9- w)w = 21

-w² + 9 - 21 = 0

w² - 9w + 21 = 0

El discriminante es dado por:

D = 9² - 4 x 1 x 21 = -3.

El discriminante negativo implica que la <u>eccuación cuadrática no tiene solución</u>, o sea, las medidas no son posibles y la persona estaba mintiendo.

Puede-se aprender más a cerca de el perímetro y el área de un rectángulo en brainly.com/question/26475963

#SPJ1

4 0
2 years ago
Answer this question please and thank you
Fiesta28 [93]

Answer:

7/8 to the 7th power

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
What is the factorization of 729^15+1000​
Nesterboy [21]

\bf \textit{difference and sum of cubes} \\\\ a^3+b^3 = (a+b)(a^2-ab+b^2) \\\\ a^3-b^3 = (a-b)(a^2+ab+b^2) \\\\[-0.35em] \rule{34em}{0.25pt}\\\\ \begin{cases} 729=27^2\\ \qquad (3^3)^2\\ 1000=10^3 \end{cases}\implies 729^{15}+1000\implies ((3^3)^2)^{15}+10^3 \\\\\\ ((3^2)^{15})^3+10^3\implies (3^{30})^3+10^3\implies (3^{30}+10)~~[(3^{30})^2-(3^{30})(10)+10^2] \\\\\\ (3^{30})^3+10^3\implies (3^{30}+10)~~~~[(3^{60})-(3^{30})(10)+10^2]

now, we could expand them, but there's no need, since it's just factoring.

3 0
3 years ago
Please help ASAP!!! Find the area of the triangle.
pentagon [3]

Answer:

2.3cm x 4cm =

<h2><u><em>9.2cm²</em></u></h2>

4 0
2 years ago
Please help I'm on a test right now!!​
Svetach [21]
The answer would be 7-x.
8 0
3 years ago
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