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3 years ago

6.

Mathematics

1 answer:

Vlad [161]3 years ago

3 0

Answer:

The slope is 1/3. Goes 1 up and 3 to the right.

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Why equation represents the total cost

ira [324]

The answer is B I think (the picture is a little hard to see)

7 0

3 years ago

The density of gold is about 20 g/ cm^3 . The density of sand can be estimated at 2.5 g/cm^3. The gold statue can be modeled as

pantera1 [17]

Answer:

The mass of the bag of sand must be equal to $m=12,000\pi\ g$

Step-by-step explanation:

<u><em>The complete question is</em></u>

In the opening scene of the movie Raiders of the Lost Ark, Indiana Jones replaces a golden statue with a bag of sand. The platform on which the statue is placed is designed to detect the mass of the statue. If the bag of sand has a different mass than the statue, then a mechanism triggers and destruction ensues.

The density of gold is about 20 g/ cm^3 . The density of sand can be estimated at 2.5 g/cm^3. The gold statue can be modeled as a cylinder with height 25 cm and radius 8 cm.

In terms of pi, what is the mass of sand Indiana Jones needs to avoid triggering the mechanism?

step 1

Find the volume of the gold statue

The volume of a cylinder is equal to

$V=\pi r^{2}h$

substitute the given values

$V=\pi (8)^{2}(25)$

$V=600\pi\ cm^3$

step 2

Find the mass of gold

Remember that the mass is equal to multiply the density by the volume

$m=(20)600\pi\\m=12,000\pi\ g$

step 3

what is the mass of sand Indiana Jones needs to avoid triggering the mechanism?

we know that

The mass of the bah of sand must be equal to the mass of the statue

therefore

The mass of the bag of sand must be equal to

$m=12,000\pi\ g$

5 0

3 years ago

What is the volume please help me

Mumz [18]

Answer:

125 inches cubed

Step-by-step explanation:

First, you find the volume of the full square, and then you divide your answer by 2, since the figure is a triangle.

So,

10 x 10 x 2.5 = 250

250 ÷ 2 = 125 inches cubed

6 0

3 years ago

10. The perimeter of a rectangle is 96m. Its length is double its breadth. Find its length and breadth.

julia-pushkina [17]

Answer:

breadth=16cm and length=32cm

Let breadth be X

According to question,

lengtg=2X

Now,

Perimeter=2(l+b)

or,96=2(2X+X)

or,96=2(3X)

or,96=6X

or,96/6=X

or,X=16cm.

length =32 cm and breadth =16 cm

7 0

3 years ago

Read 2 more answers

Can someone explain 3-10 for me I don't get it!!

kicyunya [14]

This can get confusing. Sorry if it doesn’t make a lot of sense. I will explain #3

1) You first have to look at the equation. It says 100 acres to 140 acres. From that information you should know that the number increases, so the percent will be over 100.
2)to set the equation up you do
X
__ =
100
Since every percent is out of 100.
3) Now you have to put the numbers in the equation. Since the original number is 15, so you would put it on the bottom and 18 on top.
X 18
__ = __
100 15
Then you times across
15x=1800
To find x (the percent) you divide both sides by 15
15x 1800
__ = __
15 15
X=120%
It would be increased

8 0

3 years ago