Select the most appropriate option to fill in the blanks. The World Health Organisation estimates that there are 70 million cases of Hepatit 25 beyond, within over, by O over, from O above, through b160 622331160.168 2531160 16 67253/160 160​ O.O Ok

"We have, 4:6

=

6

4

=

(6÷2)

(4÷2)

[∵HCF of 4 and 6 is 2]

=

3

2

And 8:12

=

12

8

=

(12÷4)

(8÷4)

[∵HCF of 8 and 12 is 4]

=

3

2

∴4:6=8:12

Hence, 4,6,8,12 are in proportion."

Answer:

SOLUTION:

i) 15,45,40,120

we have 15,45,40,120

ratio of 15 to 45=\frac{15}{45}=\frac{15\div15}{45\div15}=\frac{1}{3}=1:3

[HCF OF 40 and 15, 45 is 15]

ratio of 40 to 120=\frac{40}{120}=\frac{40\div40}{120\div40}=\frac{1}{3}=1:3

[HCF of 40 and 120 is 40]

here, 15:4=40:120=1:3

ii) 33, 121,9,96

we have 33,121,9,96

ratio of 33 to121 = \frac{33}{121}=\frac{33\div11}{121\div11}=\frac{3}{11}

ratio of 9 and 96= \frac{9}{96}=\frac{9\div3}{96\div3}=\frac{3}{32}

[HCF of 9 and 96 is 3]

here, 3:11\ne3:32

i.e\ 33:121\ne9:96

therefore, 31,121,9 and 96 are not in proportion.

iii) 24,28,36,48

ratio of 24 and 28 is \frac{24}{28}=\frac{24\div4}{28\div4}=\frac{6}{7}=6:7

[HCF of 36 and 48 is 12]

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Explanation:

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Answer:

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Answer:

ADVANTAGES  PageMaker makes your work more efficient  PageMaker makes your time more productive.  Designing and producing document is very easy with PageMaker.  In PageMaker there is too creativity freedom.  PageMaker is rich in tools which regularly makes it more flexible.

Answer:

The most important thing to do is understand that we all have the Right to Make Choices. And, even if a person has a lot of trouble making decisions, it doesn't always mean he or she needs a guardian. ... Think about the type of decisions you or the person you support need help making, and the type of help needed.

Answer:

Explanation:

Yes, I think that people are right about their choices because:

1) The foremost thing is to understand there is Right of Choices for all the individual on the earth and it is okay to have choices.

2) Choice should be made as per the need and essentials.

3) Choice is made when you are able to decide between what is right and what is wrong.

4) The intentions should be such that does not harm anyone  will help in taking correct choices.

If a person thinks these points before making choices, then its their right to have different choices.

• please check the attached file

The distance between the object and the image formed is 54 cm.

Given: Focal length [tex]f[/tex] = 12 cm

magnification [tex]m[/tex] = -2 (negative sign for real image)

To Find: the distance between the object and the image formed

Solution:

• Finding the distance between the object and the image formed

The magnification [tex]m[/tex] is, [tex]m = \frac{v}{u} = -2[/tex] [tex]\Rightarrow v = -2u[/tex]

And, the lens formula is

[tex]\frac{1}{f} = \frac{1}{v} - \frac{1}{u}[/tex]

Substituting the given values in the above formula, we get;

[tex]\Rightarrow \frac{1}{12} = \frac{1}{(-2u)} - \frac{1}{u} = -\frac{1}{u} (\frac{3}{2})[/tex]

[tex]\Rightarrow u = -12 \times \frac{3}{2} = - 18 \ cm[/tex]

and, [tex]v = -2u = 36 \ cm[/tex]

The distance between the object and the image is [tex]v-u = 36+18=54 \ cm[/tex]

Hence, the distance between the object and the image formed is 54 cm.