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Hitman42 [59]
3 years ago
14

X + 2x = 15 Please help!!! Worth 20 points!!! I need an answer ASAP!!!

Mathematics
1 answer:
hram777 [196]3 years ago
5 0

Answer:

x=5

Step-by-step explanation:

x+2x=15

Combine like terms:

3x=15

Divide both sides by 3:

x=15/3=5

Hope this helps!

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Given the degree of measure of angle KJH is 66 degrees find the measure in radians​
Mrrafil [7]

9514 1404 393

Answer:

  E)  0.366π

Step-by-step explanation:

There are π/180 radians in a degree.

  66° = 66°(π/180°) = (66/180)π = 11/30π ≈ 0.366π radians

__

11/30 = 0.366... repeating, so would normally be rounded to 0.367

3 0
3 years ago
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The formula for electrical energy, P, is P = I2R, where I is current and R is resistance. The formula for I in terms of P and R
nydimaria [60]

Answer:

i =   \sqrt{ \frac{p}{r} }

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3 years ago
23. Kelvin travelled of his journey at 45 km/h and of the remaining journey at 90 km/h. The rest of his journey was completed in
Sonja [21]

Answer:

4.6 hours

Step-by-step explanation:

we first need to calculate the total distance he covered and total time taken whole for the journey.

Distance= speed X time

time = Distance/speed

let the total distance be X. he covers 2/5 if the journey first.

2/5 = 0.4

Time = 0.4x/45 hours

the remaining journey is 3/5x

he covers 1/3 X 3/5= 0.2x

time taken = 0.2/90 X hours

the remaining distance = 100× 1.2 = 120km

we add 0.4x + 0.2x to get the fraction he had covered

0.6x.

the remaining distance was X - 0.6x = 0.4 X

thus 120 km represents 0.4x of the journey

we calculate now the value of X

0.4x = 120

X = 300km

Total time taken = 0.4x/45 + 0.2/90 + 1.2 hours

replace X to get time

2.7 hours + 0.7 hours + 1.2 hours

= 4.6 hours

3 0
1 year ago
Original price is 150 new price 189 what is the percent
viktelen [127]

Answer:

The percent is 26%

Step-by-step explanation:

189 divided by 150 is 1.26 but since the original price is $150 the percent is 100% and 189 is 126% so the percent difference is 26%.

4 0
3 years ago
Can you guys check my work pls?
alex41 [277]
Hey number 8. Be super careful, less than always look at that it should be 5n-3
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3 years ago
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