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Usimov [2.4K]
2 years ago
13

Circle O is inscribed in square EFGH.

Mathematics
1 answer:
Citrus2011 [14]2 years ago
3 0

Answer:

D) 25.5 cm

Step-by-step explanation:

Circumference = pi × d

20 = 3.14 × d

d = 6.3694267516

Diameter = length of one side

Perimeter of the square = 4s

4(6.3694267516)

25.4777070064 cm

From the options, closest is 25.5

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For each 11 mm of coloured fabric June uses to make her curtains, she also uses 10 cm of white fabric. Express the amount of whi
emmainna [20.7K]

The simplest form of ratio of colored fabric to white fabric is 11:100

Step-by-step explanation:

Given,

Colored fabric used = 11 mm

White fabric used for 11mm of colored fabric = 10 cm

We need to convert the measures in same unit for writing ratio.

It is easier to convert larger unit to smaller, therefore;

1 cm = 10 mm

19 cm = 10*10 = 100 mm

Ratio;

Colored fabric : White fabric

11 : 100

The simplest form of ratio of colored fabric to white fabric is 11:100

Keywords: converting units, ratio

Learn more about converting units at:

  • brainly.com/question/10800566
  • brainly.com/question/10808021

#LearnwithBrainly

3 0
3 years ago
Help a black brother out
Cerrena [4.2K]
Yo, we ain't racist, I'll help any color person, white, black, yellow, green, cyan, etc


so

17% of total distance
it has a total distance of 99ft
so it decends 17% of 99
17% of 99=0.17 times 99=16.83 feet per minute
3 minutes is  3 times 16.83 feet down or 50.49 down
answer is 4th option
6 0
3 years ago
Read 2 more answers
Rose bought 5 pencils for $0.69 each, 3 notebooks for $ 2.75 each, and a pocket dictionary for
Marysya12 [62]

Answer: $2.81

Step-by-step explanation:

Pencils: 5 * 0.69 = 3.45

Notebooks: 3 * 2.75 = 8.25
pocket dictionary: 5.49

3.45 + 8.25 + 5.49 = 17.19

20 - 17.19 = 2.81

Therefore, she will get $2.81 change back.

3 0
1 year ago
Read 2 more answers
PLEASE HELP ME I REALLY NEED IT
topjm [15]

Answer: 170

Step-by-step explanation: Angle G and Angle H are consecutive angles, meaning they both add up to 180 degrees. Thus, if 10 is the value of Angle G, Angle H must be 170.

7 0
2 years ago
A metallurgist has one alloy containing 45% copper and another containing 69% copper. How many pounds of each alloy must be use
lakkis [162]

5.25 pounds of one alloy containing 45% copper and 36.75 pounds of 69% copper is used to make 42 pounds of 66% copper

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more variables and numbers.

Let x represent the amount of 45% copper and y represent the amount of 66% copper needed to make 42 pounds of a third alloy containing 66% copper. Hence:

x + y = 42   (1)

Also:

0.45x + 0.69y = 42(0.66)   (2)

This gives:

x = 5.25, y = 36.75

5.25 pounds of one alloy containing 45% copper and 36.75 pounds of 69% copper is used to make 42 pounds of 66% copper

Find out more on equation at: brainly.com/question/2972832

#SPJ1

8 0
2 years ago
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