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Andre45 [30]
3 years ago
11

Find the sum and the product of the roots of the equation: x^2−37x+27=0

Mathematics
1 answer:
lawyer [7]3 years ago
6 0

Answer:

Sum of the Roots = 37

Product of the Roots = 27

Step-by-step explanation:

Here, the given expression is  x^{2}  - 37x + 27 = 0

Now the general Quadratic Equation is of the form:

ax^{2}  + bx + c = 0

Here, Sum of the Roots = -(\frac{b}{a} )

and the Product of the Roots =  (\frac{c}{a} )

So, comparing the general equation with the given equation, we get:

a = 1, b = -37 and c = 27

So, Sum of the Roots = -(\frac{-37}{1} )  =  37

and the Product of the Roots =  (\frac{27}{1} ) = 27

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Answer is C but can't figure it out.
lapo4ka [179]

Answer:

C. 2,940 ft³

Step-by-step explanation:

The building is composed of a triangular prism and a rectangular prism

Therefore,

Volume of air in the building = volume of the triangular prism + volume of the rectangular prism

Volume of triangular prism = ½*bhl

b = 4 yards = 4*3 = 12 ft

h = 15 - 9½ = 5½ = 5.5 ft

l = 20 ft

Volume of triangular prism = ½*12*5.5*20 = 660 ft³

Volume of rectangular prism = W*H*L

W = 4 yds = 12 ft

H = 9½ = 9.5

L = 20 ft

Volume of rectangular prism = 12*9.5*20 = 2,280 ft³

✔️Volume of air in the building = 660 + 2,280 = 2,940 ft³

4 0
3 years ago
The sum of two numbers is 36 and the difference is 10. What are the numbers
Lady bird [3.3K]

Answer:

The 2 numbers are 13 and 23

Step-by-step explanation:

If 2 numbers are x and y we have:-

x + y = 36

x - y = 10

Adding:-

2x = 46

x = 23

So y = 36 - 23 = 13

3 0
4 years ago
Read 2 more answers
Simplify<br> 6X + 5Y − 2Z − 4X − 6Y + 5Z
BARSIC [14]

Answer:

2X - Y + 3Z

Step-by-step explanation:

Combine like terms. Like terms are terms that have the same variable part.

6X + 5Y − 2Z − 4X − 6Y + 5Z =

= 6X - 4X + 5Y - 6Y - 2Z + 5Z

= 2X - Y + 3Z

3 0
3 years ago
X(21)+x(4)=300 I need solving
Genrish500 [490]

Answer:

12

Step-by-step explanation:

21x + 4x = 300         Put brackets around the first two terms.

(21x + 4x) = 300        Pull the x outside the brackets. Use the distributive property.  Combine the left

25x = 300                 Divide by 25

25x/25=300/25        Do the division

x = 12

                 

5 0
4 years ago
Bills paid online on the weekend are seen til the next business day - yes or no
Vinil7 [7]

Answer:

yes, bills paid online over the weekend would not be seen until the next business day, usually Monday.

7 0
3 years ago
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