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Troyanec [42]
3 years ago
11

What is the value of 9 in the number below? 2,154.359

Mathematics
1 answer:
melomori [17]3 years ago
7 0

Answer:

9 thousandths

Step-by-step explanation:

3 is tenths

5 is hundredths

9 is thousandths

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Which expression is equivalent 5y3/(5y)-2
Alinara [238K]

Answer:

Step-by-step explanation:

You know it the answer is 5:12 so you add the 5 and 3 give you 8 then you get 5:12

5 0
3 years ago
90 POINTS help ASAP.
seropon [69]

Answer:

x=2

Step-by-step explanation:

2-2=0

square root of 0 is 0

0+2=2

and 2=2 so its 2

4 0
2 years ago
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The area of two similar triangles are 50dm^2 and 32dm^2. The sum of their perimeters is 117dm. What us the perimeters of each of
Kay [80]

Answer:

Perimeter of one triangle is 65 dm

Perimeter of other triangle is 52 dm

Step-by-step explanation:

Please remember the concept

If sides are in the ratio of a:b

Then the area in the ratio of a^{2} :b^{2}

It is given sum of their perimeter is 117.

Let the small triangle has perimeter as x.

So, perimeter of big triangle is 117-x.

So, we can set up equation as

\frac{50}{32} =\frac{x^{2} }{(117-x)^{2} }

Cross multiply

50(117-x)^2 =32x^2

Expand the left side

50(13689 -234x+x^{2} )=32x^{2}

Distribute the left side

684450-11700x+50x^{2}=32x^{2}

Subtract both sides 32x^{2} and rewrite it 18x^{2} -11700x+684450=0

Solve this quadratic for x.

Divide both sides of the equation by 18 to simplify.

x^{2}-650 x+38025=0

Now, if possible let's factor

Find two integers whose multiplication is 38025 but adds to -650.

-65 and -585 works.

So, we can rewrite it as

(x -65)(x-585) =0

Solve them using zero product property

x=65, x=585

So, x=65 works here.

So, perimeter of one triangle is 65 dm

Perimeter of other triangle is 117-65= 52 dm

5 0
3 years ago
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Answer:

Option A

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The unit volume explains it all.

Volumes are measured in units of length cubed. This also is the volume occupied by unit cubes.

By unit cubes, I meant, view the photo above

The volume of an object's says, how many of these cubes will fill that object.

It may not necessarily by a whole number.

So, the answer is Option A

6 0
3 years ago
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Find the area of the trapezoid
lidiya [134]

area = ( top rule + bottom rule ) × height / 2

area = ( 2 + 3 ) × 4 / 2

area = 5 × 4 / 2

area = 20 / 2

area = 10

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2 years ago
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