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Akimi4 [234]
3 years ago
5

If f(x) = log3x then f(3) = __ and f(27) = __

Mathematics
1 answer:
ANEK [815]3 years ago
7 0

Answer:

f(3)=log9 and f(27)=log81

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To solve the equation w/8 - 4 = 20, you would first add 4 to each side and then divide each side by 8.
bearhunter [10]
False because, you DO add 4 to the sides but you would multiply the 8 because you to the opposite to cancel it out

4 0
3 years ago
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I need help to these two questions please​
Vilka [71]

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4 0
3 years ago
I need help on this.​
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Step-by-step explanation:

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3 years ago
Find the values of y for which the distance between the point p2,-3 and q 10, y is 10 units
lina2011 [118]

Answer:

y = - 9, y = 3

Step-by-step explanation:

Calculate distance d using the distance formula

d = \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2    }

with (x₁, y₁ ) = (2, - 3) and (x₂, y₂ ) = (10, y)

d = \sqrt{(10-2)^2+(y+3)^2}

   = \sqrt{8^2+(y+3)^2}

Given distance between points is 10, then

\sqrt{64 +(y+3)^2} = 10 ( square both sides )

64 + (y + 3)² = 100 ( subtract 64 from both sides )

(y + 3)² = 36 ( take the square root of both sides )

y + 3 = ± \sqrt{36} = ± 6 ( subtract 3 from both sides )

y = - 3 ± 6 , thus

y = - 3 - 6 = - 9

y = - 3 + 6 = 3

7 0
3 years ago
A map has a scale of 1 cm to 14 km.
Alenkinab [10]

Answer:

Real distance between Manchester and London = 263.2 km

Step-by-step explanation:

Given that:

A map has a scale of 1 cm = 14 km

Ratio = 1 : 14

Distance from Manchester to London = 18.8 cm

Let,

x be the real distance between Manchester and London.

Ratio = 18.8 : x

As the relationship is proportional,

1 : 14 :: 18.8 : x

Product of mean = Product of extreme

14*18.8 = x

x = 263.2 kilometers

Hence,

Real distance between Manchester and London = 263.2 km

6 0
3 years ago
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