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3 years ago

12

A kitchen designer is creating a new back splash for the wall behind a kitchen sink. the back splashhave 5 rows of tiles. Each r

ow willhave 20 tiles. how manytiles are needed for the entire back splash

1 answer:

DanielleElmas [232]3 years ago

3 0

You have to multiply five times twenty 5*20=100

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18 minus 7 x = negative 20.5

alex41 [277]

Answer:

x=5.5

Step-by-step explanation:

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3 years ago

37. Watering a lawn requires 623 gallons of water for

Strike441 [17]

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6.23 gallons per square foot

Step-by-step explanation:

623/1000 = 6.23

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2 years ago

Estimate 49% of 162. Use mental math to calculate 49% of 162. ???

svet-max [94.6K]

$if\ 50\%\ of\ 162\ is\ 81\ so\ 49\%\ of\ 162\ is\ about\ 79-80$

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3 years ago

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Blababa [14]

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3 years ago

A guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.

frutty [35]

Answer:

The length of the wire is 76.19 m.

Step-by-step explanation:

It is given that a guy wire is attached to the top of a radio antenna and to a point on horizontal ground that 40 m from the base of the antenna.

It means base of the right angled triangle is 40 m.

The wire makes an angle of 58deg 20min with the ground.

1 degree = 60 min

Using this conversion convert the given angle in degree.

$58^{\circ}20'=58^{\circ}\frac{20}{60}^{\circ}=58\frac{1}{3}^{\circ}=\frac{175}{3}^{\circ}$

In a right angled triangle

$\cos \theta=\frac{adjacent}{hypotenuse}$

$\cos (\frac{175}{3}^{\circ})=\frac{40}{hypotenuse}$

$0.525=\frac{40}{hypotenuse}$

$hypotenuse=\frac{40}{0.525}$

$hypotenuse=76.190$

Therefore the length of the wire is 76.19 m.

3 0

3 years ago