3 years ago

Please help need answers ASAP! I will leave good reviews

Mathematics

1 answer:

ddd [48]3 years ago

8 0

Answer: its not showing the

Step-by-step explanation:

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An airplane flies 3800 km in 4 hours 45 minutes. What is its average speed in kilometers per hour?

8_murik_8 [283]

Average speed = (distance covered in some time) / (time to cover the distance)

4 hours 45 minutes = 4-3/4 hours = 4.75 hours

Average speed = (3,800 km) / (4.75 hours) = 800 km/hr

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3 years ago

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Angles P and Q are supplementary angles. If m

RSB [31]

Supplimentary angles add upto 180 degrees.

Given that angle P is three times angle Q-4 then ;

Let angle P be 3(x-4) = 3x -12

Let angle Q be x

Applying the rule of supplimentary angles;

$3x-12+x=180$ $4x-12=180$ $4x=180+12$ $4x=192$

Divide both sides by 4 to get value of x in degrees

$x=\frac{192}{4}=48$

x= 48 degrees

Angle Q = 48 degrees

Angle P = 3x-12 = (3*48)-12 = 132 degrees

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1 year ago

Find the value of x if the arithmetic mean of 3 and 3x+5 is 8?

mina [271]

Answer:

Step-by-step explanation:

3x+5=8

Group like terms

3x=8-5

3x=3

Divide both side by the co-efficient of x which is 3

3x/3=3/3

x=1

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3 years ago

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WINSTONCH [101]

i think it's 3/4 though i'm not entirely sure

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3 years ago

Simplify the following expression by combining like terms.

Leto [7]

Answer: the answer is A.

Step-by-step explanation:

All I did was type it into the internet and it gave me 5p+2w+2

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