The speed of a yacht traveling a distance of 1.357 km in 165 minutes is 0.5 km/h
<h3>What is Speed?</h3>
The speed of an object is the distance covered by the object in respect to time.
Mathematically:
- We know that 60 minutes = 1 hour
- 165 minutes = 2.75 hours
Speed = 0.5 km/hour
Learn more about calculating speed here:
brainly.com/question/4931057
Answer:
pencils=$4
pen=$1.5
Step-by-step explanation:
Step one:
given data
let pencils be x and pens be y
Mara bought 8 boxes of pencils and 3 packages of pens for $24
8x+3y=24------------1
Elaine bought 4 boxes of pencils and 6 packages of pens for $30
4x+6y=30------------2
solve 1 and 2 simulteneoulsy
8x+3y=24---------X1
4x+6y=30----------X2
subtract the answer bellow
8x+3y=24
8x+12y=60
0-9y=-36
divide both sides by- 9
y=36/9
y=$4
put y= 4 in 1
8x+3*4=24
8x+12=24
8x=24-12
8x=12
divide both side by 8
x= 12/8
x=3/2
x= $1.5
Answer:
29: 7
Step-by-step explanation:
<em>Cross</em><em> </em><em>multiply</em><em>:</em>
<em>Expand</em><em> </em><em>bracket</em><em>:</em>
<em>Bring</em><em> </em><em>x</em><em> </em><em>terms</em><em> </em><em>to</em><em> </em><em>1</em><em> </em><em>side</em><em>,</em><em> </em><em>y</em><em> </em><em>terms</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>other</em><em>:</em>
<em>Simplify</em><em>:</em>
<em></em>
<em>Divide</em><em> </em><em>by</em><em> </em><em>7</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>:</em>
<em>Divide</em><em> </em><em>both</em><em> </em><em>sides</em><em> </em><em>by</em><em> </em><em>y</em><em>:</em>
<em></em>
∴ The ratio of x to y is 29:7.
Answer:
A triangle has side lengths 10 feet, V205 feet, and V105 feet
Step-by-step explanation: