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telo118 [61]
3 years ago
10

The sum of the squares of two positive numbers is 41 and the difference of the two squares of the numbers is 9. Find the numbers

. If there is more than one pair, use the "or" button.
Mathematics
1 answer:
vekshin13 years ago
8 0

Answer:

Step-by-step explanation:

41

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Use the method of disk or washer to set up, but do not evaluate, an integral for a volume of the solid obtained by rotating the
Sedbober [7]

Answer:

V =  π /2   volume units

Step-by-step explanation:

Volume of    y = √x   bounded by  y = x   and y = 1

y = √x

limits of integration   ( see Annex )

By simple inspection limits of integration are   x = 0    to  x = 1

or  y = √x     and    y = x

solving these two equations

x = 0    y = 0       x = 1      y = ± 1

V = ∫ π*f(x)²*dx    

V  =  π * ∫₀¹ x*dx   =    π * x²/2 |₀¹

V =   π * (1/2) - 0

V =  π /2   volume units

3 0
3 years ago
PLEASE HELP ME REALLY QUICK
bulgar [2K]

Answer:

41

Step-by-step explanation:

BDA = DBC+CBA

84=5x+3 + 6x-7

Combine like terms

84 = 11x-4

Add 4 to each side

84+4= 11x -4+4

88 =11x

Divide each side by 11

88/11 = 11x/11

8 = x

We want angle  ABC

ABC = 6x-7

       =6*8 -7

      =48-7

     =41

8 0
3 years ago
Read 2 more answers
Si n es un número impar, ¿cuál de las siguientes opciones representa un número par? a) 2n +1 b) n (n + 2) c) n + (n-1) e) 2 (n +
emmainna [20.7K]

Answer:

Option E) is correct

If n is an odd number then 2(n+1) represents an even number.

Step-by-step explanation:

Let X=set of all odd numbers

that is X={\{1,3,5,7...}\}

Let Y=set of all even numbers

that is Y={\{2,4,6,8...}\}

Verify that 2(n+1) represents an even number where n is an odd number:

Put n=1 in 2(n+1) we get

2(1+1)=2(2)=4

Put n=3 in 2(n+1) we get

2(3+1)=2(4)=8

Put n=5 in 2(n+1) we get

2(5+1)=2(6)=12

and so on.

From above results we get 2(n+1) represents an even number and is belongs to the set Y when n is an odd number.

Therefore Option E) is correct

If n is an odd number then 2(n+1) represents an even number.

5 0
3 years ago
If p(x) = 2x2 – 4x and q(x) = x – 3 what is (p*q)(x)
igomit [66]
<span>The correct answer is 2x</span>²<span>-16x+30.

Explanation<span>:
(p*q)(x) is a composition of the two functions p(x) and q(x); it is the same as p(q(x)). We replace every x in p(x) with our value of q(x), x-3:
instead of 2x</span></span>²<span><span>, we have 2(x-3)</span></span>²<span><span>, and instead of -4x, we have -4(x-3).

This gives us 2(x-3)</span></span>²<span><span>-4(x-3). This is the same as 2(x-3)(x-3)-4(x-3).

Multiplying, we have
2(x*x-3*x-3*x-3(-3))-(4*x-4*3)
=2(x</span></span>²<span><span>-3x-3x+9)-(4x-12)
=2(x</span></span>²<span><span>-6x+9)-4x+12.

Using the distributive property gives us
2*x</span></span>²<span><span>-2*6x+2*9-4x+12
=2x</span></span>²<span><span>-12x+19-4x+12.

Combine like terms, and we have 2x</span></span>²<span><span>-16x+30.</span></span>
6 0
3 years ago
Read 2 more answers
A particular pizza store models their pizza sales based on their price. They find that at the original price of $5 per slice, th
viva [34]

A particular pizza store models their pizza sales based on their price. They find that at the original price of $5 per slice, they will sell approximately 20 slices. But for $2 per slice, they will sell approximately 50 slices. The rate of change is 10 slices per dollar. can i have the brainliest

6 0
2 years ago
Read 2 more answers
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