Is the dilatation an enlargement or a reduction

Mathematics

1 answer:

Brilliant_brown [7]3 years ago

5 0

Enlargement of 2.

if it were a reduction it'd be getting smaller..

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Find the vertex for this function. f(x)=-2x^2+8x-11

loris [4]

$\bf \textit{vertex of a vertical parabola, using coefficients} \\\\ f(x)=\stackrel{\stackrel{a}{\downarrow }}{-2}x^2\stackrel{\stackrel{b}{\downarrow }}{+8}x\stackrel{\stackrel{c}{\downarrow }}{-11} \qquad \qquad \left(-\cfrac{ b}{2 a}~~~~ ,~~~~ c-\cfrac{ b^2}{4 a}\right) \\\\\\ \left( -\cfrac{8}{2(-2)}~~,~~-11-\cfrac{8^2}{4(-2)} \right)\implies \left( 2~~,~~-11+\cfrac{64}{8} \right) \\\\\\ (2~~,~~-11+8)\implies (2~~,~~-3)$

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3 years ago

What is the third side

ASHA 777 [7]

Answer:

A. 2.82 m

Step-by-step explanation:

The missing side we are trying to find is the hypotenuse, this is because it is the longest side of a right triangle.

The Pythagorean Theorem is used:

$a^2+b^2=c^2$

Plug in the given numbers (2), accordingly:

$2^2+2^2=c^2\\4+4=c^2\\8 = c^2\\$

Take the square root of both sides:

$\sqrt{8} =\sqrt{c^2}$

2.82 ≈ c

5 0

3 years ago

Answer pls I will give b

mina [271]

I will. Not be in this

3 0

3 years ago

Is 0.062 equal to .062

Alona [7]

yes. The zero to the left of the decimal point does not affect the overall value of the problem when removed, since it is zero.

4 0

4 years ago

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you are working as an assistant to a chef. the chef has 8 cups of berries and will use 2/3 cup of berries for each dessert he ma

mamaluj [8]

Zero because assistants don't know anything and only the chef can cook

jk

ok so how many 2/3's are in 8?

easy way to compar is
make 8 into a fraction over 3
8/1 times 3/3=24/3

how many 2/3 are in 24/3
how many 2's are in 24
12

answer is 12 desserts

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3 years ago

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