Math, asked by farzanaashraf086, 9 months ago

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7)
Find the range of 2.7, 3.1, 4.2, 1.9, 2.4 and 2.7.
If x=7, what is the value of (4-x)(2-x)
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8)
18km = 5 miles, how many miles is 48km?
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What is the value of y# 7-y-3
I run 3 miles in 20 minutes.
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What was my are
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I make a scale model of a tower
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14)
at was my average speed in miles per hour?
scale model of a tower using a scale of 1:300. If the real tower Whe
5 120 metres tall, how tall is my scale model in cm?
sapain Salamander has a box of chocolates. He gives of them to his
Tiends. He has 14 left. How many were there to start with?
chicken needs to be cooked for 20 minutes per pound, plus an extra
30 minutes. How long would a 7-pound chicken need cooking for?
A pack of 12 pens costs £3.60. How much does one pen cost?
I buy a packet of Captain Crunch cereal. It normally has 600g, but has
20% extra free. How many grams is there in the packet?
A zoo costs £40 for an adult and £28 for a child entry.
How much for 2 adults and 2 children?
A cubold measures 4 cm by 3 cm by 2 cm. What is the volume?
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Answers

Answered by amitnrw
1

Given : Linear Equation related Questions

To find :  Solution for Each Question

Solution:

range of 2.7, 3.1, 4.2, 1.9, 2.4 and 2.7.

arrange in ascending order

1.9 , 2.4 , 2.7  , 2.7  , 3.1  , 4.2

Range = 4.2 - 1.9  = 2.3

(4-x)(2-x)

x = 7

=> (4 - 7)(2 - 7)

= (-3)(-5)

= 15

8km = 5 miles

=> 1 km = 5/ 8

 48 km = 48 * 5/8  = 30  Miles

a packet of Captain Crunch cereal normally has 600g,

With 20% extra =  600 + (20/100) 600 = 720 g

A zoo costs £40 for an adult and £28 for a child entry.

2 Adult + 2 Child Cost  = 2(40) + 2(28)  =  £136

A cuboid measures 4 cm by 3 cm by 2 cm

Volume  = 4 * 3 * 2  = 24 cm³

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