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Olin [163]
3 years ago
9

On a scale drawing a building measures 4.5 cm tall is the scale of the drawing is 25 m per2 cm how tall is the actual building

Mathematics
1 answer:
ioda3 years ago
7 0

Answer:

Actual height  of the building =112.5 meters

Step-by-step explanation:

Given

Scale of the drawing

1 cm = 25 meters

This means that any 1 cm line on the map represents a length of 25 meters in actual.

The height of the building on map = 4.5 cm

Actual height  of the building

= 4.5 * 25\\=112.5meters

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Anni [7]
I believe when it's a fraction. 
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3 years ago
If one atom of carbon weighs 1.99 × 10^−22 g and one atom of hydrogen weighs 1.67 × 10^−27 g, which element weighs more? Explain
garik1379 [7]

Answer:

The atom of carbon weighs more

Step-by-step explanation:

we have

<em>Atom of carbon weighs</em>

1.99*10^{-22}\ g=1.99*10^{-22}(\frac{10^{5}}{10^{5}})=199,000*10^{-22}(\frac{1}{10^{5}})=199,000*10^{-27}\ g

<em>Atom of hydrogen weighs</em>

1.67*10^{-27}\ g

Compare

199,000*10^{-27}\ g > 1.67*10^{-27}\ g

therefore

The atom of carbon weighs more

8 0
3 years ago
How many numbers between 111 and 100100100 (inclusive) are divisible by 333 and 101010?
EleoNora [17]
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30, 60, and 90 are all divisible by both 3 and 10 because both 3 and 10 are factors of these 3 numbers.
5 0
3 years ago
Read 2 more answers
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tia_tia [17]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
.5+y-5÷34+3×7 -6 =45​
Minchanka [31]

Answer:

y=2205

Step-by-step explanation:

5+y-5/34+3*7-6=45

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multiply 49 on each side

y=2205

i hope this helps you

7 0
3 years ago
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