3 years ago

Write a ratio value comparing 3 to a number, where the value of the ratio is greater than 3:5.

Mathematics

1 answer:

SOVA2 [1]3 years ago

7 0

6:10 I believe that this is right

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D(n)=8−6(n−1) <br> find 6th term in the sequence

Dmitrij [34]

d(n)=8−6(n−1)

d(6) = 8-6(d-1)

d(6) = 8-6*5

d(6) = 8-30

d(6) = -22

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3 years ago

Which number lies between √5 and √6?

zhannawk [14.2K]

Lets inaugurate the roots

$\\ \bull\leadsto \sqrt{5}=2.24$

$\\ \bull\leadsto \sqrt{6}=2.448$

Now coming to options

$\overline{2.3}\checkmark$
π=3.141
5/2=2.50
2.1

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3 years ago

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Which point on the unit circle corresponds to −π ?

Arada [10]

On the unit circle:
( 1, 0 ) corresponds to 0.
( 0, 1 ) corresponds to π/2
( -1, 0 ) corresponds to π
( 0, - 1 ) corresponds to 3π/2
- π = π
Answer:
D ) ( - 1 , 0 )

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3 years ago

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What's the concavity of f(x)=x^2+4x

Anna71 [15]

$\bf f(x)=x^2+4x\qquad \cfrac{df}{dx}=2x+4\qquad \boxed{f''(x)=2}\impliedby 
\begin{array}{llll}
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constant
\end{array}$

there are no inflection points, because it never changes concavity, is just a constant and thus for any region over the x-axis, will always be a positive value, and thus is always "concave up".

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3 years ago

If the dimensions of a rectangle are a+3b and a−3b, what is the area of the rectangle in terms of a and b?

ss7ja [257]

Area=legnth times width
we notice this is a special case
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3 years ago