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Anastaziya [24]
3 years ago
13

If there are 25 students in a class and 13 are girls, what is the ratio of boys to girls? Is the relationship, part to part, par

t to whole or whole to part
Mathematics
1 answer:
Alexeev081 [22]3 years ago
3 0
12 to 13 is the ratio.
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Please help. the question is in the picture.
Harlamova29_29 [7]

We have measures of all tree sides of the both triangles,

so we can use SSS to check if the triangles are similar.

|ED|/|AB| =5/10=1/2

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We see that all tree pairs are in proportion, so these triangles ΔABC and ΔEDC are similar.

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What is the sqaure root of a sqaure ​
Ludmilka [50]
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A^2+b^2= C^2 solve for A
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3 0
3 years ago
Solve the system : x = 2 - y and 3x + 3y = 6
Vesna [10]

Answer:

Option is d) Coincident lines.

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Given:

x = 2 - y and

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Let we rewrite the equations as

x + y = 2         ...................................Equation ( 1  )

3x + 3y = 6    ....................................Equation ( 2 )

Compare the above Two Equations with the following

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We get

a₁ = 1 ; b₁ = 1 ; c₁ = 2 and

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Now we will check

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Now we get

\frac{a_{1}}{a_{2}}=\frac{b_{1}}{b_{2}}=\frac{c_{1}}{c_{2}}=\frac{1}{3}

Which is the condition for a  COINCIDENT LINES

COINCIDENT LINES have Infinite solutions for different x and different y

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