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N76 [4]
4 years ago
15

Help!! 20points! thank you need by tomorrow.

Mathematics
1 answer:
Yakvenalex [24]4 years ago
6 0

Answer:

1. f(x,y) = (x, -y) 2. f(x,y) = (-x,y).

Step-by-step explanation:

I hope that helps

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(6+3)+21=6+(3+21) name each property of addition or multiplication
Anna007 [38]
(6 + 3) + 21 = 6 + (3 + 21)

It's an ASSOCIATIVE PROPERTY
(a + b) + c = a + (b + c)
7 0
4 years ago
there are 36 green, 22 white,30 purple, and 14 blue gumballs in the gumball machine. what is the probability of getting a white
soldier1979 [14.2K]
Total = 102
probability of getting a white gumball
= 22/102


4 0
2 years ago
Los puntos (1,-2);(-8,4 y (5,2) son los vertices de un triangulo rectángulo su perimetro es aproximadamente
Alenkasestr [34]

Answer:

El perímetro del triángulo rectángulo es aproximadamente 29.627.

Step-by-step explanation:

Las coordendas de los vértices del triángulo rectángulo son A(x,y) = (1,-2), B(x,y) = (-8,4) y C(x,y) = (5,2). En primer lugar, determinamos las longitudes de los segmentos AB, BC y AC por el Teorema de Pitágoras:

AB = \sqrt{(-8-1)^{2}+[4-(-2)]^{2}}

AB \approx 10.817

BC = \sqrt{[5-(-8)]^{2}+(2-4)^{2}}

BC \approx 13.153

AC =\sqrt{(5-1)^{2}+[2-(-2)]^{2}}

AC \approx 5.657

El perímetro del triángulo (p) es la suma de todos estos segmentos:

p = AB + BC + AC

p \approx 29.627

El perímetro del triángulo rectángulo es aproximadamente 29.627.

5 0
3 years ago
The cost of a repair, which depends on the hours of labor it takes to make the
klio [65]

Answer:

I think it's B. Hours(cost) = $200 but I could be wrong

7 0
3 years ago
Kelly's Deli is having a sale on all their homemade bread. It is normally priced at $5.75, but it is marked down to $3.45. What
Darina [25.2K]

Answer:

40%

Step-by-step explanation:

5.75 · 0.40 = 2.3

5.75 - 2.3 = 3.45

7 0
3 years ago
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