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kozerog [31]
3 years ago
11

Solve the equation by completing the square. 2x^2+20x-63=3

Mathematics
1 answer:
liberstina [14]3 years ago
3 0
The answer is that you can use your calculator in multiple things because it equals like four
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Find the area of the shape below
Nataly [62]

Answer:

28

Step-by-step explanation:

If you split the shape in half you get a cube and a trapezium, calculate the area of each and add them together to get the area of the entire shape.

8 0
3 years ago
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The length of a rectangle is 3ft longer than its width.
Leokris [45]

Answer:

Step-by-step explanation:

L = W+3

perimeter = 2L+2W = 58

L+W = 29

(W+3)+W = 29

W = 13 ft

L = W+3 = 16 ft

3 0
3 years ago
Which ordered pair that is a solution to the equation y = 12x + 15.
Lelechka [254]

Answer:

(1 , 27)

Step-by-step explanation:

The ordered  pair (1 , 27) means:

x = 1

y = 27

Now putting value of x and y in given equation to check weather it satisfies:

y = 12x + 15.

27 = 12 (1) + 15

27 = 12 + 15

27 = 27

hence proved

I hope it will help you!

5 0
3 years ago
Find the range of f(x) = 3x - 5 for the domain {-1.5, 2, 4}
Kamila [148]
B is the answer

Because A and C could not be since the set have 4 results

D could not be because f(4)=. 12-5=7 not -7
8 0
4 years ago
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Gino wants to leave at least 20% tip on his restaurant bill of $248.70. Approximately how much tip should he add to the bill?
kvasek [131]

Answer:

Gino should add $49.74 tip to the bill.

Step-by-step explanation:

20% / 100 = 0.2

0.2 x $248.70 = $49.74

8 0
3 years ago
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