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g100num [7]
3 years ago
10

What number must you add to complete the square? x2 + 4x = 15 A. 16 B. 4 C. 2 D. 8

Mathematics
1 answer:
Scilla [17]3 years ago
8 0
B. 4 because 4/2=2, 2 squared is 4
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nlexa [21]

202 + 156 = 358
500 - 358 = 142
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3 years ago
A fruit company sells two types of boxes large and small. A delivery of two large boxes and three small boxes has a total weight
lara31 [8.8K]

Answer:

the large box weight is 6.50 kg and the small box weight is 13.75 kg

Step-by-step explanation:

The computation of each type of box weight is as follows:

Let us assume the large box be x

And, the small box be y

So,

2x + 3y = 47.......(i)

6x + 5y = 115........(ii)

Multiply by 3 in equation 1

6x + 9y = 141

6x + 5y = 115

Now subtract the last equation from the above one

4y = 26

y = 6.50

For x, it would be

2x+ 3(6.50) = 47

2x + 19.5 = 47

2x = 47 - 19.50

2x = 27.50

x = 13.75

Hence, the large box weight is 6.50 kg and the small box weight is 13.75 kg

4 0
3 years ago
If -1 and 1 are two real roots of the polynomial
leonid [27]

Answer:

its 68+1x200000000000

Step-by-step explanation:

7 0
2 years ago
If you have 35 books and you order 320% more books. How many books will you have in total?
Olegator [25]

Answer:

You would have 147 books

Step-by-step explanation:

Doge is smart, he has big brain.

Doge used a calculator

7 0
2 years ago
create a linear equation for a word problem dealing with income and total masks. If we know that each mask will be sold for 11.5
GarryVolchara [31]

Answer:

50,000=11.50x+3.50

hope that helps

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3 years ago
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