3 years ago

I need help with radical expression and need to show my work

Mathematics

1 answer:

Juli2301 [7.4K]3 years ago

6 0

See the attached picture for the answer and steps:

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Lindbergh's Air Speed Charles Lindbergh estimated that at the start of his historic flight the practical economical air speed wa

Strike441 [17]

The function based on the information will be S = -0.005D + 95.

<h3>How to illustrate the function?</h3>

It should be noted that d is the distance from the starting point while S is the speed.

The points given are (0 95)( 4000, 75).

Slope = (75 - 95)(4000 - 0)

= 0.005

The equation will be:

S = -0.005D + 95

Learn more about functions on:

brainly.com/question/25638609

#SPJ1

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2 years ago

WILL GIVE BRAINLIEST, THANKS, AND 5 STARS!<br> PLEASE HELP ME!

Bogdan [553]

Answer:

-4 and 4

Step-by-step explanation:

<u>Method 1</u>

Apply Difference of Two Squares Formula: $a^2-b^2=(a+b)(a-b)$

Given $x^2-16=0$

Rewrite 16 as 4²

Therefore, $a^2=x^2$ and $b^2=4^2$

$\implies a = \sqrt{x^2}=x$

$\implies b=\sqrt{4^2} =4$

$\implies x^2-16^2=(x+4)(x-4)$

$\implies (x+4)(x-4)=0$

$\implies (x+4)=0 \implies x=-4$

$\implies (x-4)=0 \implies x=4$

<u>Method 2</u>

Given equation:

$x^2-16=0$

Add 16 to both sides:

$\implies x^2-16+16=0 + 16$

$\implies x^2=16$

Square root both sides:

$\implies \sqrt{x^2}=\sqrt{16}$

$\implies x=\pm4$

Therefore, x = -4, x = 4

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2 years ago

-5x-10=10 <br> Would the answer be 4,0 or -4

klemol [59]

The answer would be -4 because you are dividing by -5

8 0

3 years ago

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Can the<br>length 5cm, 9 cm and 13 cm be the dimensions of a triangle

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3 years ago

30 POINTS!!! In a genetic experiment, a cross-fertilization of three-leafed soybeans and four-leafed soybeans produces soybeans

labwork [276]

Answer:

0.9209

Step-by-step explanation:

The question means what is the probability of not getting 5 three leafed soybeans

To find the probability we can subtract the number of getting 5 three leafed soybeans from 1

1 - 0.6×0.6×0.6×0.6= 0.9209

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3 years ago