54 is the sum of 11 and raj's score

Mathematics

1 answer:

Leviafan [203]3 years ago

7 0

Answer:

54 is the sum of 11 and Raj's age. Use variable "r" to represent Raj's age

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simon is doing a card trick using a standard 52-card deck with four suits: hearts, diamonds, spades, and clubs. He shows his fri

Ganezh [65]

Probability that the first card is not a club is 1 minus probability that it is a club. i.e. 1 - 1/4 = 3/4
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Probability that the first card is not a club AND the second card is a diamond is 3/4 x 1/4 = 3/16

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3 years ago

You have $83 in your bank account each week you plan to deposit eight dollars from your allowance and $15 from your paycheck the

docker41 [41]

We know that you have 83$ in your bank account.

Okay so what is 15+8=23 So that means you get 23$ per week.

Now what is 83+23=106
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3 years ago

Which equation represents the circle described? (in picture)

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You are right. In circle equation we have =r² so the correct answer will be C od D. But we have to calculate the center of a circle.

$x^2+y^2-8x-6y+24=0\quad|-24\\\\(x^2-8x)+(y^2-6y)=-24$

Complete the square:

$x^2-8x+a^2\implies a=\dfrac{8x}{2x}=4\implies x^2-8x+4^2\\\\\\y^2-6y+b^2\implies b=\dfrac{6y}{2y}=3\implies y^2-6y+3^2$

And we have:

$(x^2-8x)+(y^2-6y)=-24\\\\(x^2-8x+4^2)-4^2+(y^2-6y+3^2)-3^2=-24\\\\
(x-4)^2+(y-3)^2-16-9=-24\\\\(x-4)^2+(y-3)^2-25=-24\quad|+25\\\\\boxed{(x-4)^2+(y-3)^2=1}$

So the answer is C (the same left side of equation).

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3 years ago

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Lelechka [254]

Answer:

Step-by-step explanation:

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3 years ago

Can someone please solve them?

lina2011 [118]

Answer:

Step-by-step explanation:

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3 years ago

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