3 years ago

What is the distance between...

Mathematics

1 answer:

ss7ja [257]3 years ago

8 0

what do you mean ¨ what is the distance between¨ what is the rest of the question?

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-x(y+z) if x=4 y=-3 z=-5

AleksAgata [21]

Answer:

Step-by-step explanation:

Substitute 4 for x, -3 for y and -5 for z.

Then the original expression becomes:

-4(-3 - 5), or -4(-8) = 32

3 0

4 years ago

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What is the area of a regular hexagon with a distance from its center to a vertex of 1 cm? (Hint: A regular hexagon can be divid

devlian [24]

<h3>Answer:</h3><h3>Exact area = $\frac{3}{2}\sqrt{3}$ square cm</h3><h3>Approximate area = 2.598 square cm</h3>

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Work Shown:

s = side length of equilateral triangle = 1 cm

A = area of equilateral triangle with side length 's'

$A = \frac{\sqrt{3}}{4}*s^2$

$A = \frac{\sqrt{3}}{4}*1^2$

$A = \frac{\sqrt{3}}{4}$

This is just one of the 6 equilateral triangles (see diagram below)

Multiply by 6 to get the area of all 6 equilateral triangles, or the entire hexagonal area

$6*A = 6*\frac{\sqrt{3}}{4}$

$6A = \frac{3\sqrt{3}}{2}$

$6A \approx 2.598$

4 0

3 years ago

If you answer you will get points and if it's right :D

EastWind [94]

2/10 and 5/25 is your answer :)

4 0

2 years ago

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Where do percentages and negative numbers under the readucal fall in the subsets of real numbers

nata0808 [166]

Ok so here it is
natural numbers: counting numbers like 1,2,3,4,5...
whole numbers: counting numbesr and 0, so 0,1,2,3,4
integers: negative counting numbers and 0, so -3,-2,-1,0,1,2,3...
ratioal numbers, things that can be represented in a/b

percent means parts out of 100 so
x%=x/100
that is a ratioal number

negatives are integers

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4 years ago

A basketball has a rebound ratio of 0.8. If you drop the basketball from a heigh of 10cm, what will the height of the 5th bounce

ValentinkaMS [17]

$\bf n^{th}\textit{ term of a geometric sequence} \\\\ a_n=a_1\cdot r^{n-1}\qquad \begin{cases} n=n^{th}\ term\\ a_1=\textit{first term's value}\\ r=\textit{common ratio}\\ \cline{1-1} r=0.8\\ a_1=10\\ n=5 \end{cases} \\\\\\ a_5=10(0.8)^{5-1}\implies a_5=10(0.8)^4\implies a_5=4.096$

3 0

4 years ago