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3 years ago

Please help! I will mark brainliest!

Mathematics

1 answer:

Maurinko [17]3 years ago

4 0

$\left(3.5\times 10^{-2}\dfrac{kg}{L}\right)\times\left(2.64\times 10^{20}\,L\right)=(3.5\times 2.64)\times 10^{(-2+20)}\,kg\\\\=\bf{9.24\times 10^{18}\,kg}$

_____

Multiply the numbers and add the exponents.

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HELP NOW PLEASE! What is the volume of a cube with length 8 feet? V=lwh _ft³

Igoryamba

the volume of the cube is: 512 cubic feet

Step-by-step explanation:

Given

Length = l = 8 feet

The formula for the volume of a cube is given by:

$V = l * w * h$

In case of a cube, the length, width and height are equal so the volume will be:

$V = l^3$

Putting l = 8

$V = (8)^3\\V = 8*8*8\\V = 512\ ft^3$

Hence,

the volume of the cube is: 512 cubic feet

Keywords: Volume, cube

Learn more about volume at:

#LearnwithBrainly

5 0

3 years ago

which parachute has a slower decent a red parachute that falls 10 feet in 4 seconds or a blue parachute that falls 12 feel in 6

saveliy_v [14]

It is the red parachute falling from 10 feet in 4 seconds

8 0

3 years ago

A ladder is leaning against a building so that the distance from the ground to the top of the ladder is 88 feetfeet less than th

Y_Kistochka [10]

Answer: The length of the ladder is 20 feet.

Step-by-step explanation:

Given : A ladder is leaning against a building so that the distance from the ground to the top of the ladder is 8 feet less than the length of the ladder.

Mathematically,

Let x be the length of the ladder then

Distance from ground to the top of the ladder = x- 8

If distance from the bottom of the ladder to the building is 16 feet.

Since ground makes right angle with building , so the triangle made by ladder should be a right triangle.

By Pythagoras theorem of right triangle , we hae

$(Hypotenuse)=(Perpendicular)^2+(Base)^2$

$\Rightarrow\ x^2=(x-8)^2+16^2\\\\\Rightarrow\ x^2=x^2+64-16x+256\ [\text{Using identity :} (a-b)^2=a^+b^2-2ab]\\\\\Rightarrow 0=-16x+320\\\\\Rightarrow\ 16x=320\\\\\Rightarrow\ x=\dfrac{320}{16}=20$

Hence, the length of the ladder is 20 feet.

4 0

3 years ago

Please put this equation into intercept slope form, show the steps aswelllll 9x+2y=10

ser-zykov [4K]

Answer:

y = -9/2 x +5

Step-by-step explanation:

Slope intercept form is y=mx+b

2y = -9x+10

y = -9/2 x +5

6 0

3 years ago

Read 2 more answers

I will mark brainliest to those who help please!

mixer [17]

Answer:

B. Reflect PQR across a horizontal line through R, and then translate the image so R aligns with Z.

Step-by-step explanation:

Imagine a horizontal line through point R. Once you reflect the triangle across this line, it will be facing the same direction as triangle XYZ. Then, once you align R with Z (they are corresponding points!) the triangles will be directly on top of each other.

4 0

3 years ago