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1 year ago

Why is it important to learn valid proportions

1 answer:

6 0

<h3>Answer:</h3><h3>If you know one ratio in a proportion , you can use that information to find values in the other equivalent ratio. </h3>

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The price of a book rises from £16 to £20 work out the percentage increase

Vladimir79 [104]

Answer:

25%

Step-by-step explanation:

20-16=4

16…4

1 … 4/16

100…4/16×100

1/4×100

25%

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3 years ago

Ik this aint from a h.w but If we get builder club, Do we only pay 1 moth or each month?

pogonyaev

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3 0

3 years ago

NO LINKS please. Someone help

irga5000 [103]

Answer:

square root of 65

Step-by-step explanation:

all i am going to say is, Pythagorean theorem.

5 0

3 years ago

F(x)=2x+3/4x+5<br>find f(-9)<br>

mylen [45]

$\implies {\blue {\boxed {\boxed {\purple {\sf { f(-9)= 0.48}}}}}}$

$\large\mathfrak{{\pmb{\underline{\orange{Step-by-step\:explanation}}{\orange{:}}}}}$

$f(x) = \frac{2x + 3}{4x + 5} \\$

For $f(-9)$ , put " $-9$ " for every value of " $x$ ".

$↬f( - 9) = \frac{2( - 9) + 3}{4( - 9) + 5}\\$

$↬ f(-9) = \frac{ - 18 + 3}{ - 36 + 5} \\$

$↬ f(-9) = \frac{ - 15}{ - 31}\\$

$↬ f(-9)= \frac{15}{31}\\$

$↬f(-9)= 0.48\\$

$\bold{ \green{ \star{ \red{Mystique35}}}}⋆$

6 0

3 years ago

Read 2 more answers

Please answer correctly !!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!!!!

lisabon 2012 [21]

Answer:

x = 4

Step-by-step explanation:

The parallel segment divides the 2 sides of the triangle proportionally, that is

$\frac{x}{8}$ = $\frac{6}{12}$ ( cross- multiply )

12x = 48 ( divide both sides by 12 )

x = 4

5 0

2 years ago

Read 2 more answers

Why is it important to learn valid proportions ​

Why is it important to learn valid proportions