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bezimeni [28]
2 years ago
14

Sorry about the quality of the picture but

Mathematics
1 answer:
slega [8]2 years ago
4 0

Answer:

52.5 km

Step-by-step explanation:

1cm: 2100000cm

2.5cm: x cm

you get 52.5 km

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The length of a rectangle is 8feet less than the width. The perimeter is 64 feet. Find the length and the width
nataly862011 [7]

Answer:

Length = 4 feet

Width = 4 feet

Step-by-step explanation:

The perimeter of a rectangle formula = 2L + 2W

Where L = Length

W = Width

The length of a rectangle is 8feet less than the width.

Hence,

L = 8 - W

The perimeter is 64 feet.

Hence,

64 = 2(8 - W) × 2W

64 =( 16 - 2W )2W

64 = -4W² + 32W

4W² - 32W + 64 = 0

Factorise

4W² - 16W - 16W + 64 = 0

4W (W - 4) - 16(W - 4) = 0

W - 4 = 0

W = 4

Width = 4

Solving for L

L = 8 - W

L = 8 - 4

L = 4

Therefore,

Length = 4 feet

Width = 4 feet

7 0
3 years ago
Convert 2.5 kg into gram​
finlep [7]

Answer:

2500 grams

Step-by-step explanation:

1kg=1000g

2.5kg=1000×2.5

=2500

5 0
2 years ago
Read 2 more answers
-2+6x=12-x please help me solve this
Sidana [21]

Answer:

X=2

Step-by-step explanation:

-2+6x=12-x

add 2 to both sides

6x=14-x

now add 1x to both sides

7x=14

and finally divide both sides by 7 so you x is left alone

<h2>x=2</h2>

5 0
2 years ago
Read 2 more answers
Which of the following is an arithmetic sequence?
Travka [436]

Step-by-step explanation:

C. n 1 2 3 4

an 3 6 9 15

hope this helps you

have a great day : )

5 0
2 years ago
Please help me ASAP! thank you ^-^ As part of a new advertising campaign, a beverage company wants to increase the dimensions of
ipn [44]

Answer:

B 137.32 cm³

Step-by-step explanation:

The original volume is

V = pi r^2 h

V = pi (3)^2 ( 12)

V =108 pi cm^2 = 339.12

the diameter increases by 1.12  6*1.12 = 6.72

r = 6.72 /2 =3.36

The height will increase by 1.12 so 12*1.12

V = pi ( 3.36)^2 ( 13.44)=476.4391834

The difference is

476.4391834 - 339.12 = 137.3191834

To the nearest hundredth

137.32

5 0
3 years ago
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