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Airida [17]
3 years ago
9

HELP ASAPP!!!!!!!!!!! WILL MARK BRAINLIEST

Mathematics
2 answers:
Lunna [17]3 years ago
6 0

To find density of the cubes you must follow the formula:

Density = mass/volume

OR

D = \frac{m}{v}

For both of the cubes we already know their mass. For the pink cube the mass is 24 grams and for the green cube the mass is 20 grams. To use this formula you still need volume.

The formula for volume is:

Volume = length x width x height

OR

V = l x w x h

Because this is a cube all the lengths are equal to each other. This means that the length, width, and height values are all the same.

For the pink cube all the sides each measure 8 cm. Find the volume of the cube by using the formula

V = 8 * 8 * 8

V = 512 cm³

For the green cube all the sides each measure 6cm. Find the volume of the cube by using the formula

V = 6 * 6 * 6

V = 216 cm³

Here is what we know so far:

For the pink cube:

Mass - 24 g

Volume - 512 cm³

For the green cube:

Mass - 20 g

Volume - 216 cm³

Use what you know to find Density using the density formula (D = m/v)

Pink:

D = 24 ÷ 512

D = 0.046875

Green:

D = 20 ÷ 216

D = 0.092592592593

Roughly the density of the pink cube is 0.05 and the density of the green cube is 0.09

This means that the green cube has the largest density.

Hope this helped!

~Just a girl in love with Shawn Mendes

liq [111]3 years ago
5 0

Answer: Green

Step-by-step explanation:

mass divided by volume is density.

So you do 24/8^3 and 20/ 6^3

Pink= 0.047

Green 0.092

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What is the equation of the line that passes through the point (-3,-8) and has a slope of 4?
coldgirl [10]

Step-by-step explanation:

the easiest approach with a given point and the slope of the line is the point-slope form :

y - y1 = a(x - x1)

where "a" is the slope, and (x1, y1) is a point on the line.

so, we get

y - -8 = 4(x - -3)

y + 8 = 4(x + 3)

if we need the slope-intercept form

y = ax + b

we now simplify the point-slope form

y + 8 = 4x + 4×3 = 4x + 12

y = 4x + 4

3 0
3 years ago
What is the value of y?
Fiesta28 [93]

Answer:

y = 126.43

Step-by-step explanation:

Essentially what you have is the Cosine(50)

Cos(50) = adjacent / hypotenuse

adjacent = 122

hypotenuse = ?? = y

Solve

Cos(50) = 122/y         Multiply both sides by y

y*cos(50) = 122         Divide by cos(50)

y = 122 / cos(50)       Find the value of cos(50)

y = 122 / 0.96497     Divide

y = 126.43



6 0
4 years ago
A class had 50 students in one room. 60% of them are girls. How many girls are in the class?
spin [16.1K]

Answer:

30

Step-by-step explanation:

8 0
3 years ago
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In the pair of equations bx-6y=18 and 2x-3y=9, b is a whole number. The system of two equations has infinitely many solutions. W
statuscvo [17]
To have infinite solutions, they have to be th esame line

match waht we do know

bx-6y=18
the coefient of y is -6
other one is
2x-3y=9
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times 2nd equation by 2
4x-6y=18
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8 0
4 years ago
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Select the functions that have a value of -1. sin180° cos180° tan180° csc180° sec180° cot180°
kupik [55]

We have to break each degree in terms of 90

A) sin180^\circ=sin(90\times2+0)

Which is in third quadrant, therefore sine is negative hence

sin(90\times2+0)= -sin0 ^\circ = 0


B) cos180^\circ =cos(90\times2+0)

Which is in third quadrant, therefore cosine is negative hence

cos(90\times2+0)= -cos0^\circ  = -1


C) tan180^\circ=tan(90\times2+0)

Which is in third quadrant, therefore tangent is positive hence

tan(90\times2+0)= tan0^\circ  = 0


D) csc180^\circ=csc(90\times2+0)

Which is in third quadrant, therefore cosec is negative hence

cosec(90\times2+0)= -csc0^\circ  =not defined


E)sec180^\circ=sec(90\times2+0)

Which is in third quadrant, therefore secant is negative hence

sec(90\times2+0)= -sec0^\circ  = -1


F) cot180^\circ=cot(90\times2+0)

Which is in third quadrant, therefore tangent is positive hence

cot(90\times2+0)= cot0^\circ = not defined


Hence only cos 180^\circ and

sec180^\circ have value -1

Hope this will help

7 0
3 years ago
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