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lyudmila [28]
3 years ago
15

Write a polynomial with roots r1 and r2 if 1. R1 + r2=4 2. R1 x r2=4

Mathematics
1 answer:
KiRa [710]3 years ago
6 0

Answer:

r²- 4r + 4

Step-by-step explanation:

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Simplify the expression 1-cos^2(t) / cos^2(t)
OLEGan [10]

Answer: \tan^2 t

Step-by-step explanation:

\sin^{2} t+\cos^2 t=1 \implies 1-\cos^2 t=\sin^2 t\\\\\implies \frac{1-\cos^{2}t}{\cos ^2 t}=\frac{\sin ^2 t}{\cos^2 t}=\tan^2 t

3 0
2 years ago
The sum of 3 consecutive numbers equal 87, find the numbers
boyakko [2]

Answer:

28, 29, 30

Step-by-step explanation:

8 0
3 years ago
Find the volume of cylinder<br> Diameter of base is 11 cm<br> Height of cylinder is 16cm
just olya [345]

Answer:

1520.5 cm³

Step-by-step explanation:

Volume formula for cylinder: V = πr²×h

Radius = 11 ÷ 2

           = 5.5cm

Volume = π × 5.5² × 16

             =1520.5cm³

3 0
3 years ago
Help me plzzzzzzzzzzzzzzzzzzz
Shkiper50 [21]

Answer:

5^8/5^6=5^2

Step-by-step explanation:

When dividing numbers with powers, it is handy to remember that

x^y/x^z=x^y^-^z

so

5^8/5^6=5^8^-^6 = 5^2

4 0
3 years ago
Read 2 more answers
Filomena applies the commutative property to the product. (7/15)⋅(−11)⋅(30) Which expression illustrates the commutative propert
dedylja [7]

  • The commutative property is a number property where the answer obtained is the same no matter the position of the numbers you are multiplying together.

  • Commutative property of multiplication is expressed as:

        a x b = b x a

        a x b x c = a x c x b = b x c x a

  • Note: " . " in the question also means "x" (multiplication)

  • Applying commutative property to the question:

(7/15)⋅(−11)⋅(30)

(7/15) ⋅ (−11) ⋅ (30) = (7/15) . (30) . (11)

The values interchanged are: 11 and 30. The result of the multiplication remains unchanged.

Option A  is the correct answer.

To learn more, visit the link:

brainly.com/question/24733555

8 0
3 years ago
Read 2 more answers
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