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2 years ago

Como cálculo el área de las figuras geometrícas porfa para una persona de 5to

Mathematics

1 answer:

Ganezh [65]2 years ago

5 0

Answer:

Se calcula sumando todos los lados (siempre y cuando tengan las mismas unidades). El área de una figura de dos dimensiones se calcula contando el número de cuadrados que pueden cubrir la figura.

Step-by-step explanation:

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X=-12-6y <br>-4x+5y=-39<br>slove by the system of substitution

Artist 52 [7]

X = -6y - 12
4x + 5y =-39

4x + 5y = -39
-4(-6y - 12) + 5y = -39
-4(-6y) + 4(12) + 5y = -39
24y + 48 + 5y = -39
29y + 48 = -39
29y = -87
y = -3

x = -6y - 12
x = -6(-3) - 12
x = 28 - 12
x = 6

(x, y) = (6, -3)

5 0

3 years ago

-/2 points

Rom4ik [11]

Answer:

Part 1) The domain of the quadratic function is the interval (-∞,∞)

Part 2) The range is the interval (-∞,1]

Step-by-step explanation:

we have

$f(x)=-x^2+14x-48$

This is a quadratic equation (vertical parabola) open downward (the leading coefficient is negative)

step 1

Find the domain

The domain of a function is the set of all possible values of x

The domain of the quadratic function is the interval

(-∞,∞)

All real numbers

step 2

Find the range

The range of a function is the complete set of all possible resulting values of y, after we have substituted the domain.

we have a vertical parabola open downward

The vertex is a maximum

Let

(h,k) the vertex of the parabola

The range is the interval

(-∞,k]

Find the vertex

$f(x)=-x^2+14x-48$

Factor -1 the leading coefficient

$f(x)=-(x^2-14x)-48$

Complete the square

$f(x)=-(x^2-14x+49)-48+49$

$f(x)=-(x^2-14x+49)+1$

Rewrite as perfect squares

$f(x)=-(x-7)^2+1$

The vertex is the point (7,1)

therefore

The range is the interval

(-∞,1]

6 0

3 years ago

Write an expression for the calculation 2/3 times the sum of 2/8 and 4/8

zubka84 [21]

2/3(2/8 + 4/8) = 2/3(1/4 + 1/2)
2/3(3/4) = 1/2

5 0

3 years ago

A student says that the graph of the equation y=3(x+8) is the same as the graph of y=3x, only translated upwards by 8 units. do

tino4ka555 [31]

Answer:

agree

Step-by-step explanation:

because they have the same slope of 3. so they are parallel with different y intercepts

8 0

2 years ago

Read 2 more answers

I need desperate help <br>

Lady_Fox [76]

Answer:

Step-by-step explanation:

y equals 1. x equals 15. 15 over 15 is 1.

3 0

3 years ago

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Como cálculo el área de las figuras geometrícas porfa para una persona de 5to ​

Como cálculo el área de las figuras geometrícas porfa para una persona de 5to