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Kryger [21]
4 years ago
10

Ordered pair of Y=2x-3 , Y=-2x+5

Mathematics
1 answer:
enyata [817]4 years ago
6 0

Answer:

(2, 1 )

Step-by-step explanation:

Given the 2 equations

y = 2x - 3 → (1)

y = - 2x + 5 → (2)

Substitute y = 2x - 3 into (2)

2x - 3 = - 2x + 5 ( add 2x to both sides )

4x - 3 = 5 ( add 3 to both sides )

4x = 8 ( divide both sides by 4 )

x = 2

Substitute x = 2 into either of the 2 equations for corresponding value of y

Substituting into (1)

y = 2(2) - 3 = 4 - 3 = 1

Solution is (2, 1 )

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The radius of a semicircle is 3 feet. What is the semicircle's area?<br>Use 3.14 for Pi​
valentinak56 [21]

Answer:

14.13 ft²

Step-by-step explanation:

The area of a semicircle is

=  \frac{\pi \:  {r}^{2} }{2}

We were given the radius of the semicircle to be: r=3 feet.

We were also asked to use π as 3.14.

We substitute into the formula to get:

=  \frac{3.14 \times  {3}^{2} }{2}

This is the same as:

=  \frac{3.14 \times  9}{2}

Or

= 3.14 \times  4.5

= 14 .13 {ft}^{2}

The area of the semicircle is 14.13 ft²

5 0
3 years ago
Write the expression in complete factored form. X2+6x-xy-6y
weqwewe [10]

Answer:

(x-y)(x+6)

Step-by-step explanation:

x^2+6x-xy-6y

x*(x+6)-y(x+6)

(x-y)(x+6)

6 0
4 years ago
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Si f(x) es igual a raiz de x al cuadrado menos 16 determinar f(5),f(4),f(6),f(3)
Nadusha1986 [10]

Aplicando la función, los valores numéricos son :

f(5) = -11

f(4) = -12

f(6) = -10

f(3) = -13

La función es dada por:

f(x) = (\sqrt{x})^2 - 16  = x - 16

Para los valores numéricos, reemplazamos x, luego:

f(5) = 5 - 16 = -11

f(4) = 4 - 16 = -12

f(6) = 6 - 16 = -10

f(3) = 3 - 16 = -13

Un problema similar es dado en brainly.com/question/7037337

4 0
3 years ago
Three tenths of what number is 156?
tatiyna

Answer:

520

Step-by-step explanation:

If this answer helped you then please consider marking this as brainliest and like this respone :)

7 0
3 years ago
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The factors of -12 and -1
saul85 [17]

Answer:

-1: -1, 1

-12: -12, -6, -4, -3, -2, -1, 1, 2, 3, 4, 6, 12

Step-by-step explanation:

6 0
3 years ago
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