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2 years ago

Any tips on how to do this?? i have no clue how

Mathematics

1 answer:

Black_prince [1.1K]2 years ago

8 0

Answer:

6.7

Step-by-step explanation:

For this questions we have the oppsotie side and need the adjacent

out of SOH, CAH, TOA we will sue TOA

tan(56)=10/x

tan(56)/10=1/x

10/tan(56)=x

x=6.745 which rounds to 6.7

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3) Margarita manejó 429 km: 42 en la ciudad y el resto, en la autopista.

12345 [234]

Answer:

Margarita gastó $40.43.

Step-by-step explanation:

Tenemos la siguiente información.

km recorridos por Margarita

42 km - ciudad

387 km - autopista

Rendimiento del carro

1 galon cada 28 km - ciudad

1 galon cada 36 km - autopista

Hacemos el siguiente factor de conversión

Ciudad

$42 km \times \frac{1\: galon}{28\: km}=1.5\: galones$

Autopista

$387 km \times \frac{1\: galon}{36\: km}=10.75\: galones$

Ahoa, se sabe que 1 galon cuesta $3.30. Por lo tanto, el costo de viaje será:

Total galones = 1.5 + 10.75 = 12.25 galones

Total costo = 3.30*12.25 = $40.43.

Espero te haya servido!

4 0

2 years ago

Solve the inequality -9x/11 - 7 < -5.

Nuetrik [128]

-9x/11 -7< -5
+7 +7
-9x/11 < 2
*11 < *11
-9x < 22
/-9 /-9
x> 2.4

3 0

2 years ago

H(x)=|8x+8| Find functions f and g so that f of g = H

Stolb23 [73]

f(x) = x^3 
g(x) = 1+x^2 

Therefore: 
H(x) = f[g(x)] = (1+x^2)^3

5 0

3 years ago

Examine the number patterns below.

amid [387]

Answer:

38,45,52

They were adding by 7

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Solve the system of equation using subtraction 3x+2y=7 y=-3y+11

forsale [732]

Assumig 2nd euqation is y =-3x+11
using subtraction

minus y both sides and minus 11
-3x-y=-11

add to other equation to eliminate y's

-3x-1y=-11
3x+2y=7 +
0x+1y=-4

y=-4

sub back

y=-3x+11
-4=-3x+11
minus 11 both sides
-15=3x
divide both sides by 3
-5=x

(x,y)
(-5,-4)

8 0

2 years ago