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sasho [114]
2 years ago
11

Graph the linear function d(x)=−1/2x−3.

Mathematics
1 answer:
Nataliya [291]2 years ago
7 0

Answer:

Step-by-step explanation:

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A portion of a roller coaster track is shown in the figure above. the roller coaster track is shown at ground level at point S a
eimsori [14]

Answer:

Step-by-step explanation:

This is classic right triangle trig.  The height of the hill is 78.4 which serves as the side opposite the reference angle of 23 degrees.  The side we are looking for is the hypotenuse of that triangle.  The trig ratio that relates the side opposite a reference angle to the hypotenuse of the right triangle is the sin ratio.  Setting it up using our values:

sin(23)=\frac{78.4}{x}, where x is the unknown length of the hypotenuse.  Solving for x:

x=\frac{78.4}{sin(23)}

Make sure your calculator is in degree mode before entering this in.  You will get a length of the hypotenuse as 200.649 feet, so choice A.

4 0
3 years ago
Yo i’m stuck hahahelp ASAP -4 3/8 - (-1 1/4)
hjlf

Answer:

I hope this helps

Step-by-step explanation:

-3 1/8

5 0
3 years ago
Read 2 more answers
Plz i need help -8 = p -5
AveGali [126]
The answer is p = -3
7 0
3 years ago
Read 2 more answers
Samuel, Martín y Santiago salen a montar bicicleta de Cali hacia Palmira. La distancia entre Cali y Palmira es de 29.3 KM. En la
myrzilka [38]

Answer:

a) Martín recorrió más distancia, b) A Samuel, Martín y Santiago les falta 7.05, 7.55 y 7.883 kilómetros, respectivamente, c) La distancia recorrida promedio es 21.889 kilómetros, d) Martín recorrió 0.333 kilómetros más que Santiago.

Step-by-step explanation:

a) En primer lugar, convertimos la distancia recorrida por cada persona a su forma decimal:

Samuel

\frac{178}{8}\,km = 22.25\,km

Martin

21\,km + \frac{3}{4}\,km = 21.75\,km

Santiago

21\,km + \frac{5}{12}\,km = 21.417\,km

Como puede apreciarse, Martín recorrió más distancia.

b) La distancia faltante es igual a la sustracción de la distancia recorrida por la persona a la distancia total:

Samuel

x = 29.3\,km -22.25\,km

x = 7.05\,km

Martin

x = 29.3\,km - 21.75\,km

x = 7.55\,cm

Santiago

x = 29.3\,km - 21.417\,km

x = 7.883\,km

A Samuel, Martín y Santiago les falta 7.05, 7.55 y 7.883 kilómetros, respectivamente.

c) La distancia recorrida promedio se obtiene sumando las distancias recorridas de las tres personas y dividiendo el resultado por la cantidad de personas:

\bar{x} = \frac{22.5\,km + 21.75\,km + 21.417\,km}{3}

\bar x = 21.889\,km

La distancia recorrida promedio es 21.889 kilómetros.

d) Esta diferencia se encuentra a restar la distancia recorrida por Santiago a la distancia recorrida por Martín:

x = 21.75\,km - 21.417\,km

x = 0.333\,km

Martín recorrió 0.333 kilómetros más que Santiago.

3 0
3 years ago
What is this solution for x?<br><br> 10000=20000(0.85)^x
tangare [24]

Answer:2,0000 x 0.85^x = 10000

2000 x 0.85 divided by 20000

= 10000/ 20000

simplify 0.85^x

= 1/2

Step-by-step explanation:

YW put me as best brainliest how ever you spell it.

6 0
3 years ago
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