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Ilya [14]
3 years ago
14

Don’t mind the work I have but this is a 2 part question and I’m having trouble if anyone can help that would be great :)

Mathematics
1 answer:
Mariulka [41]3 years ago
6 0

Answer:

I got for the retail price $367. 50 and for the retail plus tax I got $396.90.

Step-by-step explanation:

To find the retail you have to figure out what 210% of 175 is. To do this you divide 175 by 100. after yiu get that number you multiply it by 210. after you multiply it you should get 367.50 . then to find the retail value plus tax you divide 367.50 by 100 and get 3.675. multiply 3.675 by 8 and then you get 29.40 . add 367.50 and 29.40 and you get $396.90

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3x/2y=11 x+y/2=7 igualacion<br> Alguien me puede ayudar
bearhunter [10]

La solución del sistema de ecuaciones es igual a (x, y) = (308/47, 42/47).

<h3>¿Cómo resolver un sistema de ecuaciones linear por igualación?</h3>

Los sistemas de ecuaciones basadas en entidades algebraicas se resuelven mediante procedimientos algebraicos. Grosso modo, el método de resolución por igualación consiste en despejar una variable en dos ecuaciones del sistema para eliminarla y reducir el número de ecuaciones <em>lineales</em> y el número de variables.

A continuación, presentamos una aplicación del método de eliminación:

\frac{3\cdot x}{2\cdot y} = 11

x = \frac{22\cdot y}{3}

x + \frac{y}{2} = 7

x = 7 - \frac{y}{2}

\frac{22\cdot y}{3} = 7 - \frac{y}{2}

\frac{47\cdot y}{6} = 7

y = 42/47

x = 7 - \frac{y}{2}

x = 308/47

La solución del sistema de ecuaciones es igual a (x, y) = (308/47, 42/47).

Para aprender más sobre los sistemas de ecuaciones: brainly.com/question/15811265

#SPJ1

3 0
2 years ago
What is the circumference of this circle, in centimeters? Use 22/7 for Pi.
gtnhenbr [62]

Answer: 66cm

Step-by-step explanation:

Diameter (d) = 21 cm

c= πd = 22/7 x 21 = 22 x 3 = 66cm

3 0
3 years ago
Read 2 more answers
Vashawn earns $50 a week less than
rjkz [21]

Answer:

$400

Step-by-step explanation:

450-50=400 50 less than 450 is 400

4 0
3 years ago
How do you solve this problem?
motikmotik

The arcs AB, BC, AC all equal to the third of the perimeter since equilateral triangle divides them like this.

So we need to find a perimeter but we are only given the area.

Let's review,

A=\pi r^2 \\P=2\pi r

That means that from area we area able to calculate radius.

A=\pi r^2\Longrightarrow r=\sqrt{\dfrac{A}{\pi}}

Insert the numbers,

r=\sqrt{\dfrac{36\pi}{\pi}}=6

Then use the perimeter formula to calculate perimeter since radius is known,

P=2\pi\cdot6=12\pi

Now divide perimeter by 3 to get length of AB arc.

AB=\dfrac{12\pi}{3}=\boxed{4\pi}

Hope this helps.

4 0
3 years ago
(Urgent) Worth 10 points 7.3
kodGreya [7K]

Answer:

m∡CBD = 135°

Step-by-step explanation:

m + 3m = 180

4m = 180

m = 180/4

m = 45

angle CBD is 3(45) = 135 degrees

4 0
3 years ago
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