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CaHeK987 [17]
3 years ago
10

X² y² + y2 – 4x + 20y +55 =0 Center: Radius:

Mathematics
1 answer:
netineya [11]3 years ago
4 0

Answer:

ya

Step-by-step explanation:

22

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Seven times a number plus five equals two times the number???
Cerrena [4.2K]

Answer:

7 x n+5=2 x n

Step-by-step explanation:

8 0
3 years ago
At the store, you buy a backpack for $30.42, a binder for $9.89 and a combination lock for $5.75. If you give the cashier $50.00
Shkiper50 [21]

Answer:

$3.94

Step-by-step explanation:

$30.42 + $9.89 + $5.75 = £46.06

$50.00 - $46.06 = $3.94

7 0
3 years ago
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Evaluate the limit, if it exists. Show work. lim┬(x→5)⁡〖(x^2-3x-10)/(2x-10)〗
BARSIC [14]

Hello, first of all we can notice that

5^2-3*5-10=25-15-10=0

and

2*5-10=0

and 0 divided by 0 is undetermined.

So, we need to factorise and simplify first.

x^2-3x-10=(x-5)(x+2)\\\\\text{Because we already known that 5 is a zero...}\\\\\text{... and the sum of the zeroes is 3 = 5 - 2 and the product is -10 = 5 * (-2).}

For x different from 5, we can write

\dfrac{x^2-3x-10}{2x-10}=\dfrac{(x-5)(x+2)}{2(x-5)}=\dfrac{x+2}{2}

So, the limit when x tends to 5 is

\dfrac{5+2}{2}=\boxed{\dfrac{7}{2}}

Thank you

5 0
4 years ago
32,000 people attended at a ballgame
Lera25 [3.4K]
Yes because it is 32,000 people
4 0
3 years ago
Which expressions are equivalent to the one below? Check all that apply. 3^4 • 3^x
Wittaler [7]

Answer: 3^4+x, 81•3^x

Step-by-step explanation:

skksbdndjfjdndjdndndnddkjdjdndndmdmdmdmdndndndnndn

7 0
3 years ago
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