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Simora [160]
2 years ago
8

A phone sells for $250. It is now on sale for 1 ·· 5 off the original price. April has a coupon for an extra 10% off the sale pr

ice. To the nearest dollar, how much less than the original price will April pay for the phone?
A $25
B $49
C $68
D $69​
Mathematics
1 answer:
Klio2033 [76]2 years ago
8 0

Answer:

Step-by-step explanation:

The answer D $69

And also if you round that , that is 70

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Answer:

x=3.565

Step-by-step explanation:


5 0
3 years ago
1.Encuentra la ecuación de la circunferencia que tiene como ecuación ordinaria (x-4)² + (y+5)²= 25 2- encuentra la ecuación gene
rodikova [14]

Responder:

1) x² + y²-8x + 10y + 16 = 0

2) x² + y² + x + 18y + 33 = 0

Explicación paso a paso:

A partir de la pregunta, debemos expresar la ecuación en la forma estándar de un círculo expresado como;

x² + y² + 2gx + 2fy + c = 0 donde;

(-g, -f) es el centro.

1) Para la ecuación (x-4) ² + (y + 5) ² = 25

Expande el paréntesis;

(x-4) ² + (y + 5) ² = 25

x²-8x + 16 + y² + 10x + 25 = 25

x²-8x + 16 + y² + 10y + 25-25 = 0

Recopile términos similares;

x² + y²-8x + 10y + 16 + 0 = 0

<em>x² + y²-8x + 10y + 16 = 0 </em>

<em>Por lo tanto, la ecuación requerida es x² + y²-8x + 10y + 16 = 0 </em>

<em> </em>

2) Para la expresión (x + 1) ² + (y + 9) ² = 49

x² + x + 1 + y² + 18y + 81 = 49

x² + x + 1 + y² + 18y + 81-49 = 0

Recopile términos similares;

x² + y² + x + 18y + 82-49 = 0

<em>x² + y² + x + 18y + 33 = 0 </em>

<em>Por tanto, la ecuación requerida es x² + y² + x + 18y + 33 = 0</em>

4 0
2 years ago
Solving the following problem -25 +37=
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The answer is 12 because it is a negative

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3 years ago
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serious [3.7K]

8 Colors

If you make it an improper fraction it becomes 16/3 and 2/3, so now you can do 16/2, giving you 8 colors

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3 years ago
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(12/21)... what is this fraction simplified
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\frac{12}{21} \\ \\ GCF = 3 \\ \\ 12 \div 3 = 4 \\ \\ 21 \div 3 = 7 \\ \\  \frac{4}{7} \\ \\ Answer: \fbox {4/7}
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