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3 years ago

Questions in picture!! Math!!!! Brainliest if correct!!

Mathematics

2 answers:

Sladkaya [172]3 years ago

8 0

Answer:

y=95 degree(alternate angle)

x+y+50=180

or, x+95+50=180

or, x+145=180

or, x=180-145

or, x=35 degrees

Natalija [7]3 years ago

5 0

Answer:

x=85 , y=45

Step-by-step explanation:

If there is a line intersecting another line, the 2 angles being created must add up to 180. So, to find x, you basically just have to subtract 95 from 180, which is 85.

The angles of a triangle must add up to 180 as well. If we already know 2 of the angles, then we can find the other one by subtracting those numbers from 180. 180-85-50= 45.

Therefore x=85 and y=45.

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professor190 [17]

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3 years ago

Train completes journey of 150 miles one hour earlier if original speed is increased by 5mes/hour What is original speed

bija089 [108]

25mph.

using the equation distance = speed x time, you can make 2 equations. let x be the original speed of the train, and t be the original time it takes. the first equation is the original trip, the 2nd is your new speed and shortened time.
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this is because you are adding 5mph, and taking off 1 hour of time, to still cover the 150 miles. you can solve the first equation for t, and substitute into the second, and then solve for x.
$t= \frac{150}{x} \\ 150=(x+5)(t-1)=xt+5t-x-5 \\ 150=150+5( \frac{150}{x})-x-5 \\ 5= \frac{750}{x} -x \\ 5+x= \frac{750}{x} \\ x^2+5x=750 \\ x^2+5x-750=0$
and using the quadratic formula you can find x=25.

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3 years ago

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Kryger [21]

X= the total questions
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3 years ago

You would like to have $8000 in an account after four years time if the account earns 4% compound interest yearly how much would

Mariana [72]

Answer:

http://www.1728.org/compint2.htm

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Step-by-step explanation:

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bagirrra123 [75]

Answer:

Step-by-step explanation:

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Hope that helps and have a great day!

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3 years ago