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Papessa [141]
3 years ago
7

1. Is 5(x+1) the same as 5x+1? Explain your

Mathematics
1 answer:
tatiyna3 years ago
5 0

Answer:

Step-by-step explanation:

5(x+1), when expanded, becomes 5x + 5, which is ot the same as 5x + 1.

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Q14
posledela

Answer:

42.6cm

Step-by-step explanation:

The sum total of all the sides of the shape is the perimeter of the shape. Hence;

Perimeter = x+3 + 4 + x+9 + 2x+5

Perimeter = 4x + 21

Given

Area of the figure = 75cm^2

Area = (x+3)(2x+5) + (2x+1)(6)

75 = 2x²+5x+6x+15+12x+6

75 =  2x²+23x+21

2x²+23x+21-75 = 0

2x²+23x-54 = 0

x = -23±√23²-4(2)(-75)/4

x = -23±√529+600/4

x = -12±√1129/4

x = -12+33.6/4

x = 21.6/4

x = 5.4

Recall that;

Perimeter = 4x+21

Perimeter = 4(5.4) + 21

Perimeter = 21.6+21

Perimeter = 42.6cm

Hence the perimeter is 42.6cm

8 0
3 years ago
What would the correct answer be
Karo-lina-s [1.5K]
Think it would be true although I don’t know what the transistive property is. 

Hope this helps!
4 0
3 years ago
Read 2 more answers
The chess club members bought six tickets to a tournament for $15. how much would they have paid if all nine members wanted to g
ElenaW [278]
15/6=2.5
2.5x9=22.5
$22.50 is your answer

5 0
3 years ago
18<br> 8<br> 13<br> 7<br> Find the area of the white granite area in the picture above.
GaryK [48]

Answer: 178

Step-by-step explanation:

18x13

234 area of white granite

8x7

56 area of blue granite

234-56 to find the area of the white granite

8 0
3 years ago
Is this happening to anybody else? Why are there ad's to unlock answers it is annoying
kap26 [50]

I don’t have to have ads. When I wasn’t signed up I had to but I logged in and now I don’t have to watch ads.

6 0
3 years ago
Read 2 more answers
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