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3 years ago

Hi i will give 50 POINTS and BRAINLIEST to whoever answers this question

Mathematics

2 answers:

ikadub [295]3 years ago

5 0

Answer:

Ratio of white:coloured = 1 : 4

Step-by-step explanation:

48mm coloured : 1.2 cm white

48mm coloured : 12 mm white

Express the amount of white fabric to coloured fabric as a ratio in its simplest form.

Order is important, so

WHITE : COLOURED

= 12 : 48 ...............................simplify

= 1 : 4

Alina [70]3 years ago

3 0

Answer:

$\boxed{4 : 1}$

Step-by-step explanation:

Colored Fabric = 48 mm

White Fabric = 1.2 cm

Ratio of white fabric to colored fabric is:

48 mm : 1.2 cm

To express any ratio, we need to equalize the units ( 1 cm = 10 mm)

=> 48 mm : 12 mm

÷12 ÷12

=> 4 : 1

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Points H and F lie on circle c What is the length of line segment GH?

Nina [5.8K]

Answer:

6 units

Step-by-step explanation:

Given: Points H and F lie on circle with center C. EG = 12, EC = 9 and ∠GEC = 90°.

To find: Length of GH.

Sol: EC = CH = 9 (Radius of the same circle are equal)

Now, GC = GH + CH

GC = GH + 9

Now In ΔEGC, using pythagoras theorem,

$(Hypotenuse)^{2} = (Base)^{2} +(Altitude)^{2}$ ......(ΔEGC is a right triangle)

$(GC)^{2} = (GE)^{2} +(EC)^{2}$

$(GH + 9)^{2} = (9)^{2} +(12)^{2}$

$(GH )^{2} + (9)^{2} + 18GH = 81 + 144$

$(GH )^{2} + 81 + 18GH = 81 + 144$

$(GH )^{2} + 18GH = 144$

Now, Let GH = x

$x^{2} +18x = 144$

On rearranging,

$x^{2} +18 x - 144 = 0$

$x^{2} - 6x +24x + 144 = 0$

$x (x-6) + 24 (x - 6) =0$

$(x - 6) (x + 24) = 0$

So x = 6 and x = - 24

∵ x cannot be - 24 as it will not satisfy the property of right triangle.

Therefore, the length of line segment GH = 6 units. so, Option (D) is the correct answer.

3 0

3 years ago

Read 2 more answers

Some 1 plz HELP! 3 5/6 X 4 4/5 (plz include instructions if u can thx!)

rewona [7]

Well convert 3 5/6 to 23/6 and 4 4/5 to 24/ 5
then find a multiple that both 5 and 6 have which is 30
23x5= 115 and 24x6= 144
so 115 x 144= 16560/30
16560/30 = 552 /1 so your answer is
552

8 0

3 years ago

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5 Vince draws the figures below. He says each figure has an area of 8 square units. Is he correct? Decide if each figure has an

igor_vitrenko [27]

Answer:ok so it is 1 A 2C 3 F 4H

Step-by-step explanation:

6 0

2 years ago

X+2/6÷3(4×12)/3+4(5)÷1/3 pleasehelp simplify this! Will award the BRAINLIEST!

zimovet [89]

Answer:

8.444444444 or 76/9

Step-by-step explanation:

3 0

4 years ago

What is the answer for 7÷ 4/5

Strike441 [17]

Answer:

7 ÷ 4/5 is 8.75 as a decimal or 8 3/4 as a fraction

7 0

3 years ago

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Hi i will give 50 POINTS and BRAINLIEST to whoever answers this question ​

Hi i will give 50 POINTS and BRAINLIEST to whoever answers this question