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Westkost [7]
3 years ago
15

Walmart is having a clothing sale. All men's and women's clothes are 45%

Mathematics
1 answer:
REY [17]3 years ago
7 0

Answer:

$13.30

Step-by-step explanation:

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What is the value of m2 -2mn+n2 for m=-2 and n=4?<br> 0<br> 0<br> -36<br> -4<br> 04<br> 36
GuDViN [60]

Answer:

36

Step-by-step explanation:

Given

m² - 2mn + n² , substitute values

= (- 2)² - 2(- 2)(4) + 4²

= 4 - 2(- 8) + 16

= 4 + 16 + 16

= 36

5 0
3 years ago
True of False:
Tatiana [17]

Answer:

True

Step-by-step explanation:

If it is negative, it is going down

3 0
3 years ago
PLEASE HELP
Harrizon [31]

The given triangle is a right triangle

<h3>The length and slope</h3>

The coordinates are given as:

D (0,n), E(m,n), F(m,0)

The length is calculated using:

l=\sqrt{(x_2-x_1)^2 + (y_2-y_1)^2

So, we have:

DE=\sqrt{(0-m)^2 + (n-n)^2} = m

DF=\sqrt{(0-m)^2 + (n-0)^2} = \sqrt{m^2 + n^2

EF=\sqrt{(m-m)^2 + (n-0)^2} = n

The slope is calculated using:

m = \frac{y_2 -y_1}{x_2 - x_1}

So, we have:

DE = \frac{n -n}{0- m} = 0

DF = \frac{n -0}{0- m} = -\frac nm

EF = \frac{n -0}{m- m} = \mathbf{unde fined}

<h3>The coordinates of the midpoints</h3>

This is calculated using

m = 0.5 * (x_1 + x_2, y_1 + y_2)

So, we have:

DE = 0.5 * (0 + m, n+ n)=(0.5m, n)

DF = 0.5 * (0 + m, n+ 0)=(0.5m, 0.5n)

EF = 0.5 * (m + m, n+ 0)=(m, 0.5n)

<h3>The type of triangle</h3>

In (a), we have:

<u>Lengths</u>

DE= m

DF = \sqrt{m^2 + n^2

EF= n

<u>Slope</u>

DE  = 0

DF =  -\frac nm

EF  = \mathbf{unde fined}

The sides are not equal.

However, the 0 and the undefined slope implies that the triangle is a right triangle because the sides are perpendicular

It should be noted that the triangle cannot be graphed because the coordinates are not numeric

Read more about triangles at:

brainly.com/question/26331644

#SPJ1

3 0
2 years ago
Si la aceleración de gravedad en la superficie de nuestro planeta es de 9,8m/s2, entonces ¿Cuál sería el peso de una persona de
andreyandreev [35.5K]

Answer:

El peso de una persona de 50 kg de masa que se encuentre sobre la superficie del planeta es 490 N.

Step-by-step explanation:

La masa es la cantidad de materia que contiene un cuerpo, mientras que el peso es la acción que ejerce la fuerza de gravedad sobre el cuerpo.

El peso se define como el producto de la masa por la aceleración de la gravedad:  

P= m*g

El peso del objeto variará de acuerdo a la fuerza de gravedad que actúa sobre este.

En el Sistema Internacional de Unidades (SI), la unidad del peso se expresa en Newton (N).

En este caso, la masa es 50 kg y la aceleración de la gravedad es 9,8 \frac{m}{s^{2} }. Reemplazando en la definición de peso:

P= 50 kg* 9,8 \frac{m}{s^{2} }

Resolviendo:

P= 490 N

<u><em>El peso de una persona de 50 kg de masa que se encuentre sobre la superficie del planeta es 490 N.</em></u>

3 0
3 years ago
Find the value of each variable
lana66690 [7]
I know y is 120 but idk what x is
4 0
3 years ago
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