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steposvetlana [31]

3 years ago

6

What is 5/6 times 24?

2 answers:

jek_recluse [69]3 years ago

6 0

Answer:The answer is 19.999

Step-by-step explanation:

This is because when you multiply each number gets multiplied double

slega [8]3 years ago

5 0

5/6 times 24 equals 20

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What 3-dimensional figure can be created by folding the shape shown below on the dotted lines?

oksano4ka [1.4K]

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A triangle

Step-by-step explanation: The two squares lean against each other

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Step-by-step explanation:

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3 years ago

A rectangle has one side on the x-axis and two vertices on the curve, = 1/1+x^2. find the coordinates of the vertices of the rec

Tcecarenko [31]

<span>The dimension of the rectangle would be length=#4/sqrt3# and width =4-#4/3= 8/3# Explanation: Let one vertex on the x axis be x, then the other vertex would be -x. Length of the rectangle would be thus 2x and width would be #4-x^2# Area of the rectangle would be A=#2x(4-x^2)= 8x-2x^3# For maximum area #(dA)/dx=0=8-6x^2#, which gives x=#2/sqrt3# The dimension of the rectangle would be length=#4/sqrt3# and width =4-#4/3= 8/3# Was this helpful? Let the contributor know!</span>

5 0

3 years ago

Read 2 more answers

PLEASE HELP GUYS i am struggling so much, two questions

ankoles [38]

Answer: the equation of the standard parabola

1) $(y-6)^2 = 4 (x-1)$

The equation of the standard parabola

2) (x+5)^2 = 16(y-2)

Step-by-step explanation:

<u>Explanation </u>

<u>Parabola:-</u>

The set of points in a plane whose distance from a fixed point and a constant ratio to their corresponding perpendicular distance from a fixed straight line is a conic.

Let S be a fixed point and l be a fixed straight line from any point P,the perpendicular PM is drawn to the line 'l'

The locus of P such that $\frac{SP}{PM} = constant$
The fixed point 'S' is called the Focus.
The fixed line'l 'is called the directrix of the conic
The constant ratio is known as the eccentricity, denoted by 'e'
If e=1 , the conic is called a parabola

1) <u> Step 1</u> :-

Given the focus S = (2,6) and directrix is x=0

we know that $\frac{SP}{PM}=1$

now cross multiplication , we get

$SP = PM$

squaring on both sides,we get

$SP^{2} = PM^2$

step 2:-

now using distance formula is

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

Given S =(2,6) and P(x,y) be any point on parabola

$SP^2 = (x-2)^2+(y-6)^2$ ........(1)

Now using perpendicular distance formula

let P(x , y ) be any point on the parabola

$\frac{ax_{1}+by_{1}+c }{\sqrt{a^2+b^2} }$

Given the directrix is x =0 and P(x,y) be any point on parabola

$PM^2 = \frac{x^2}{\sqrt{1}^2 }$ ......(2)

equating equation(1) and equation (2), on simplification

we get $(x-2)^2+(y-6)^2 = x^2$ .....(3)

apply $(a-b)^2 = a^2+ b^2+2 ab$

now the equation (3) is

$(y-6)^2 = 4 x-4$

now the standard form of parabola is

$(y-k)^2 = 4 a(x-h)$

<u>Final answer</u>:-

$(y-6)^2 = 4 (x-1)$

2) <u> Explanation:-</u>

<u>step 1:</u>

Given vertex of a parabola is A(-5,2) and its focus is S(-5,6)

here the given points of 'x'co- ordinates are equal

Therefore the axis AS is parallel to y- axis

now the standard equation of parabola

$(x-h)^2 = 4 a (y-k)$

now you have to find' a' value

Given vertex of a parabola is A(-5,2) and its focus is S(-5,6)

The distance of $AS = \sqrt{(-5-(-5)^2+(2-6)^2}$

on simplification we get a =4

<u>Final answe</u>r :-

the vertex (h,k) = (-5,2) and a=4

$(x-h)^2 = 4 a (y-k)$

The standard parabola is $(x+5)^2 = 16 (y-2)$

5 0

3 years ago

Someone answer please I would be very grateful

Reil [10]

Answer:

Part A : 9.555 . 10^38

Part B : 7.4 . 10^-3

Step-by-step explanation:

<h3>Part A</h3>

$3.9 \: . \: {10}^{33} . \: 2.45 \: . \: {10}^{5} \\ 3.9 \: . \: 2.45 \: . \: {10}^{33 + 5} \\ 9.555 \: . \: {10}^{38} \\$

<h3>Part B</h3>

$7.4 \: . \: {10}^{ - 3}mm \\ 7.4 \: . \: \frac{1}{ {10}^{3} } \\ 0.0074mm$

$7.4 \: . \: {10}^{3}mm \\ 7.4 \: . \: 1000 \\ 7400mm$

A blood cell is too small. So the more reasonable measurement is 0.0074mm.

7 0

3 years ago