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Pie
3 years ago
5

Nick has 15 dimes. If he gives Sean one third of the dimes, he will have ____

Mathematics
1 answer:
jarptica [38.1K]3 years ago
5 0
10 or 12 dimes left?
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Dale made a scale drawing of a house and its lot. The scale he used was 1 inch: 7 feet. The actual length of the backyard is 35
Kipish [7]

Answer:

5

Step-by-step explanation:

<em>35/7=5 </em>

8 0
3 years ago
Write an equation in which the quadratic expression 2x^2-2x-13 equals 0
torisob [31]

Answer:

x = 3 and -2 are the two solutions.

Step-by-step explanation:

2x^2 -2x -12 = 0

First factor out a 2

2(x^2 - x - 6) = 0

2(x - 3)(x + 2) = 0

2 = 0 x - 3 = 0 x + 2 = 0

2 does not equal zero so this is an extraneous solution

x - 3 = 0 so x = 3

x + 2 = 0 so x = -2

8 0
3 years ago
What is the absolute value of -45/6. I need serious help
icang [17]

Answer:

\frac{15}{2}

Step-by-step explanation:

The absolute value of a number is just its distance from zero. In other words, if it's negative, the absolute value would make the number positive. This makes the absolute value \frac{45}{6}. Now, reduce to get\frac{15}{2}.

7 0
2 years ago
Simplify 3^5 divided 3^3
Vlad [161]

Answer:

3^2  or 9

Step-by-step explanation:

When dividing exponents with the same base, we subtract the exponents

3^5 ÷ 3^3

3^ (5-3)

3^2

9

3 0
3 years ago
Read 2 more answers
7. Un avión que sobre vuela el espacio aéreo del aeropuerto Olaya Herrera de Medellín, a una distancia constante de 3 km de la t
skelet666 [1.2K]

Answer:

La ecuación de la trayectoria circular del avión es x² + y² = 9

Step-by-step explanation:

La forma general de la ecuación de un círculo se da como sigue;

(x - h)² + (y - k)² = r²

Dónde;

(h, k) = El centro del círculo

r = El radio del círculo

Dado que la distancia del avión a la torre es constante, tenemos la trayectoria del avión = trayectoria circular

El radio, r de la trayectoria circular = 3 km

Por lo que la trayectoria circular del avión se va a definir con respecto a la torre de control, tenemos;

El centro de la trayectoria circular del avión = La torre

Las coordenadas del centro de la trayectoria circular = (0, 0)

Por lo tanto, (h, k) = (0, 0)

Sustituyendo los valores conocidos, la ecuación de la trayectoria circular del avión se convierte en;

(x - h)² + (y - k)² = r² → (x - 0)² + (y - 0)² = r² = x² + y² = 3² = 9

La ecuación de la trayectoria circular del avión. = x² + y² = 9

4 0
3 years ago
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