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love history [14]
4 years ago
6

If x^2+y^2=73 and xy=24, what is the value of (x+y)^2? And Why?

Mathematics
1 answer:
nydimaria [60]4 years ago
7 0
(x+y)^2=x^2+y^2+2xy=73+2*24=73+48=121

⇒ (x+y)^2=121
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8
Sedbober [7]

Answer:

15 people voted yes and 3 people voted no.

Step-by-step explanation:

Given that:

Ratio of yes to no = 5 : 1

Total number of board members who voted = 18

Let,

x be the number of times.

5x+x = 18

6x = 18

Dividing both sides by 6

\frac{6x}{6}=\frac{18}{6}\\x=3

People who voted yes = 5(3) = 15

People who voted no = 3

Hence,

15 people voted yes and 3 people voted no.

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3 years ago
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Nataly [62]

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Step-by-step explanation:


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Find The missing variable.
Vladimir79 [104]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Is x-10 a factor of f(x)=5x^3+60x^2+109x+90
RUDIKE [14]

Answer:

No

Step-by-step explanation:

Given values are

f(x) = 5x^3+60x^2+109x+90

x = -10.

Given Polynomial is 5x^3+60x^2+109x+90 .

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By putting x = (-10) we can rewrite it as

= (90)+(5.(-10)^3)+(60.(-10)^2)+(109.(-10))

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= 0

The remainder of given polynomial is 0.

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3 years ago
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