3 years ago

PLEASE HELP ME FOR EXTRA POINTS AND BRAINLIEST ANWSER

Mathematics

1 answer:

Korolek [52]3 years ago

7 0

Answer would be 3/5 (filler)

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This robotic arm is made up of two cylinders with equal volume and two triangular prism hands. The volume of each hand is

BaLLatris [955]

Answer:

$\frac{r}{3\pi h+r}$

Step-by-step explanation:

Since the height isn't given, we assume it to be "h" (of cylinders). And the answer will be in terms of "r" and "h".

The area of 1 arm is given, so the area of 2 arms would be:

$A_{arm}=2*(\frac{1}{2}r*\frac{1}{3}r*2r)=\frac{2r^3}{3}$

Now, area of 2 cylinders would be the formula:

$A_{cyl}=2*(\pi r^2 h)=2\pi r^2 h$

So, total area is A_arm PLUS A_cyl. The fractional area the arms are would be gotten by taking expression A_arm divided by A_total.

Shown below:

$\frac{A_{arm}}{A_{total}}=\frac{\frac{2r^3}{3}}{2\pi r^2 h + \frac{2r^3}{3}}$

We simplify further:

$\frac{\frac{2r^3}{3}}{2\pi r^2 h + \frac{2r^3}{3}}\\=\frac{\frac{2r^3}{3}}{2r^2(\pi h + \frac{r}{3})}\\=\frac{r}{3(\pi h + \frac{r}{3})}\\=\frac{r}{3\pi h+r}$

THis is the answer.

6 0

3 years ago

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There are 3 answers need help to get my grade up to a 70%

svetoff [14.1K]

Answer:

From (2, 1) move up one and over four

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2 years ago

Which equations show the zero property of multiplication? Choose exactly two answers that are correct. A. –4.7 • 0 = 0 B. –8 + 8

tester [92]

The zero property is anything multiplied zero to equal zero

Answers: A and D

-4.7x0=0
0x3=0

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3 years ago

Simplify 7 + (−3) A -10 B -4 C 4 D 10

ANEK [815]

Answer:

Step-by-step explanation:

The plus and minus sign cancel each other out so it becomes 7-3=4

6 0

3 years ago

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A line has a slope of 5 and passes through the point (-1,2).

Andreyy89

Answer:

Step-by-step explanation:

slope=m= 5

points=(-1,2)

By point-slope form:

$y$ - $y_{1}$ =m( $x-x_{1}$ )

Substitute the values in formula:

y-2=5(x+1) (It is the point slope form)

Now,

Slope intercept form:

y-2=5x+5

y=5x+5+2

y=5x+7

<h3>If you need to ask any questions, please let me know.</h3>

5 0

3 years ago