2 years ago

Need help with this question please!!

Mathematics

1 answer:

saw5 [17]2 years ago

5 0

$\displaystyle\\\tan x=1\\ 0^o$

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Algebra help please I have to get it done .

Finger [1]

Its Letter A see photo for solution

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3 years ago

Two trains leave stations 360 miles apart at the same time and travel toward each other. One train travels at 70 miles per hour

cricket20 [7]

S=d/t   ⇒d=s*t
s=speed
d=distance
t=time

The first train :
d=x

x=70 miles/h*t   ⇒ x=70t (1)

The second train
d=360 miles - x

360 miles - x=80 miles/h*t ⇒360-x=80t   ⇒ x=360-80t (2)

therefore, with the equations (1) and (2) we have a systeme of equations:

x=70t
x=360-80t

we can solve this system of equations by equalization method.

70t=360-80t
70t+80t=360
150t=360
t=360/150=2.4 (≈2 hour 24 minutes)

Answer: the first train meet with the second train in 2 hour 24 minutes.

3 0

2 years ago

Read 2 more answers

Find the indicated side of the triangle. b 7 45° a b = [?]VO

vodka [1.7K]

Answer:

7√2

Step-by-step explanation:

Thank to the give angle we can say that the two legs are congruent

b = $\sqrt{7^2 + 7^2} = \sqrt{49+49} = \sqrt{98}$