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ludmilkaskok [199]
2 years ago
9

PLLLZZZ HELP and explain how you got it

Mathematics
1 answer:
stiks02 [169]2 years ago
8 0
Answer: x = 149 degrees

Work:

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Does anyone know the answer if so please tell me ty!
Nezavi [6.7K]
The bottom 2 i’m pretty sure, sorrry if it’s wrong
5 0
3 years ago
If you roll a fair die 100 times and 35 of the rolls result in a two, what would be the probability of the outcome of a 2,
EastWind [94]

Answer:

56

Step-by-step explanation:

5 0
3 years ago
A game uses tokens. Two-sixths of the tokens are blue. Three-sixths of the tokens are gold. What fraction of the tokens are eith
KatRina [158]

Answer:

One-sixth

Step-by-step explanation:

First we need to add the blue tokens (two-sixths) plus the gold tokens (two-sixths) when you add those you get five-sixths and since we are dealing with sixths we would subtract five-sixths from six-sixths

4 0
3 years ago
A train 360 m long is running at a speed of 45 km/hr. In what time will it pass a bridge 140 m long?.
natali 33 [55]

The train will pass a bridge in 40 seconds.

<h3>What is the distance?</h3>

Distance is defined as the product of speed and time.

Given that A train 360 m long is running at a speed of 45 km/hr.

Speed of train = 45 km/hr.

And it passes a bridge 140 m long.

Length of train = 360 meters

Since 1 km = 1000 meters.

and 1 hour = 3600 seconds

we have to determine the length of the train

So 1(km/hr.) = (1000/3600) = (26/72) meter/seconds

45 km/hr = 45 ×5/18 = 25/2 meter per second

So the speed of the train = 25/2 meters per second

Total distance to be covered = (360+140)m = 500m.

So time will it pass a bridge = distance/speed

Substitute the values of distance and speed in the above formula,

⇒ 500/(25/2)

⇒ 500×2/25

⇒ 40 seconds

Hence, the train will pass a bridge in 40 seconds.

Learn more about the distance here:

brainly.com/question/13269893

#SPJ4

8 0
2 years ago
A private jet can fly 1,095 miles in 3 hours with a tailwind but only 987 miles in 3 hours into a headwind find the speed of the
Verizon [17]

Answer:

The speed of the jet is 347 mph and the  speed of the wind is 18 mph.

Step-by-step explanation:

We have the following:

x = the speed of the jet in still air.

y = the speed of the wind

we know that the speed is equal to:

v = d / t

therefore the distance would be:

d = v * t

if we replace with the information of the exercise we have:

3 * (x + y) = 1095

3 * (x - y) = 987

we must solve this system of equations, add both equations and we are left:

3 * x + 3 * y = 1095

3 * x - 3 * y = 987

3 * x + 3 * y + 3 * x - 3 * y = 1095 + 987

6 * x = 2082

x = 2082/6 = 347

now to calculate y, we replace:

3 * (347 + y) = 1095

1041 + 3 * y = 1095

3 * y = 1095 - 1041

y = 54/3 = 18

The speed of the jet is 347 mph and the  speed of the wind is 18 mph.

8 0
3 years ago
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