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2 years ago

Aaron runs a distance of 7.2km in the SE direction. How far east has Aaron run? Answer correct to one decimal point

Mathematics

1 answer:

timofeeve [1]2 years ago

5 0

Step-by-step explanation:

cos 45° = distance to east / total distance=7,2

distance to east = cos 45° * 7,2 = 5,1 km

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Keisha, Miguel, and Pablo sent a total of 69 text messages during the weekend. Miguel sent 5 more messages than Keisha. Pablo se

frutty [35]

Number of text messages Keisha sent: 16

Number of text messages Miguel sent: 21

Number of text messages Pablo sent: 32

Step-by-step explanation:

Total messages sent = 69

Let,

Messages sent by Keisha = x

Messages sent by Miguel = y

Messages sent by Pablo = z

According to given statement;

x+y+z=69 Eqn 1

y=x+5 Eqn 2

z=2x Eqn 3

Putting Eqn 2 and 3 in Eqn 1

$x+(x+5)+2x=69\\x+x+5+2x=69\\4x=69-5\\4x=64$

Dividing both sides by 4;

$\frac{4x}{4}=\frac{64}{4}\\x=16$

Putting x=16 in Eqn 2

$y=16+5=21$

Putting x=16 in Eqn 3

$z=2(16)=32\\$

Number of text messages Keisha sent: 16

Number of text messages Miguel sent: 21

Number of text messages Pablo sent: 32

Keywords: addition, linear equation

Learn more about addition at:

#LearnwithBrainly

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3 years ago

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Annette [7]

Answer:

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3 years ago

Find the product. Simplify. 1/10 x 3/4

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Answer:

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Step-by-step explanation:

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3 years ago

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A taxi charges $1.25 per mile and a flat fee of $2.75. How much would Maria pay for a 5 mile ride?

Olegator [25]

Answer:

Step-by-step explanation:

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Step-by-step explanation:

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