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3 years ago

A rectangular room is three times as long as it is wide, and its perimeter is 56 meters. Find the length of the room.

Mathematics

1 answer:

Anit [1.1K]3 years ago

7 0

Width = 7

length = 21

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What's the correct answer to this..? Please help

mestny [16]

Answer:

D. {x:-8≤x<-5}

Step-by-step explanation:

x≥-8

x={-8,-7,-6,-5,-4,-3,-2,-1,0...}

x<-5

x={-6,-7,-8,-9,-0...}

Numbers equal to or less than -8 are also less than -5

Hope it helps ;) ❤❤❤

6 0

3 years ago

Read 2 more answers

Priya buys a bicycle for $250.

Varvara68 [4.7K]

Answer:

108.60

Step-by-step explanation:

if you need the explanation you can comment

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2 years ago

Joel wants to buy a new tablet computer from a store having a 20% off sale on all tablets. The tablet he wants has an original c

earnstyle [38]

Answer:

Joel will have to pay $ 159.60 for the tablet.

Step-by-step explanation:

1. Information given to us to answer the question correctly:

Discount percentage of the tablets = 20%

Original cost of the tablet = $ 190

Sales tax = 5%

2. How much will Joel pay for the tablet? Show your work in your notebook. Remember to use $.

Let's find the discounted price and the sales tax for that price, this way:

Discounted price = Original price - Discount

Discounted price = 190 - (190 * 0.2)

Discounted price = 190 - 38 = 152

Sales tax of the discounted price = 152 * 0.05

Sales tax = 7.60

Joel will have to pay = Discounted price + Sales tax

Joel will have to pay = 152 + 7.60

Joel will have to pay = $ 159.60

5 0

3 years ago

Consider the following figure.

Karolina [17]

Answer:

BD = 16

Step-by-step explanation:

By applying mean proportional theorem in the given right triangles,

$\frac{AD}{BD}=\frac{BD}{CD}$

AD × CD = BD²

8 × 32 = BD²

BD = √256

BD = 16

Therefore, measure of side BD = 16 units.

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2 years ago

IPod Touch 64 GB On Sale For $299.99 Originally $349.99 _______% Savings

liubo4ka [24]

Answer:

14.286% savings

Step-by-step explanation:

299.99 / 349.99 = 0.8571..

1-0.8571= 14.286

3 0

2 years ago