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3 years ago

6 Name an object that could be about the same length as each measurement.

Mathematics

1 answer:

Sindrei [870]3 years ago

5 0

E. Finger tip

A. Pencil

F. Paper

B. Human Height

G. A street

C. Door Way

D. Limousine

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A ladder is leaning against a

vlada-n [284]

Answer:

The angle of elevation is 36.87 degrees

Step-by-step explanation:

see the attached figure to better understand the problem

In the right triangle ABC of the figure

$cos(\theta)=\frac{AC}{BC}$ ----> by CAH (adjacent side divided by the hypotenuse)

substitute the given values

$cos(\theta)=\frac{12}{15}$

$\theta=cos^{-1}(\frac{12}{15})=36.87^o$

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3 years ago

What would $25 deposited 56 yrs ago be worth today???

zhannawk [14.2K]

205 dollars today I think

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4 years ago

What is an expression that simplifies to x to the 24 power

vlada-n [284]

Answer:

x⁹ * x⁸ * x⁷

Step-by-step explanation:

when numers with the same base are multiplied the exponents are added

x⁹ * x⁸ * x⁷

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3 years ago

Please help me ASAP easy problem giving brainlist!!

a_sh-v [17]

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A and C

Step-by-step explanation:

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3 years ago

Plzz helpp<br><br><br> Find the inverse function

Vesna [10]

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$f(x) = {x}^{2} + 5$

$y = {x}^{2} + 5$

${x}^{2} + 5 = y$

Subtract sides 5

${x}^{2} + 5 - 5 = y - 5$

${x}^{2} = y - 5$

$x = ± \sqrt{y - 5}$

$x≠ - \sqrt{y - 5}$

Because x is a positive number but -√y-5 is a negative number thus it's unacceptable.

So ;

$x = \sqrt{y - 5}$

_________________________________

${f}^{ - 1}(x) = \sqrt{x - 5}$

Done...

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3 years ago