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Nezavi [6.7K]
3 years ago
8

What is the answer to this question

Mathematics
1 answer:
solmaris [256]3 years ago
5 0

Answer:

Number of protons

Step-by-step explanation:

The atomic number represents the number of protons that are in the nucleus. This says what chemical properties something has and where it is located on the periodic table.

Best of Luck!

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Rob has 7 ones, nick has 5 ones.they put all their ones together.what number did they make?
Anni [7]
7+5= 12 ones. Or one ten and 2 ones. They made 12.
3 0
3 years ago
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3.5 inches divided by 24.5 inches
aliina [53]
Your Answer Is approximately 0.143
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3 years ago
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Toby goes on holiday to Geneva, Switzerland. In Geneva, Toby sees a watch costing 193.75 CHF (Swiss Francs). In Manchester, an i
KonstantinChe [14]

Answer:

The watch is cheaper in Geneva, Switzerland by a value of £20

Step-by-step explanation:

To get the city in which the watch is cheaper, what we need to do is to express the price of the watch in the same currency.

Since pounds is also used in the b part of the question, it would be easier working with it.

In Geneva, the price of the watch is 193.75 CHF

from our conversion formula;

£1 = 1.55 CHF

£x = 193.75 CHF

We cross multiply to get the value of x

(193.75 * 1)/1.55

= 193.75/1.55 = £125

We can see that the watch costs less in Geneva and higher in Manchester

By how much is it cheaper?

We can calculate this by subtracting the value in Geneva from the value in Manchester

That would be 145-125 = £20 cheaper

3 0
3 years ago
FIND THE VOLUME OF THE PRISM
jek_recluse [69]

Answer:

180 cubic centimeters

Step-by-step explanation:

Volume of prism = base x height

Base of prism = 9*4 = 36

V = bh

V = 36*5 = <u>180 cubic centimeters</u>

3 0
2 years ago
The area of a circle is 47.39cm2. find the length of the radius rounded to 2 dp.
Tpy6a [65]

The length of the radius rounded to 2 decimal points is 3.88cm.

In geometry, the area enclosed by a circle of radius r is pie  πr^2.

How to round decimals?

Rounding decimals consists of rounding a decimal number to a certain number of decimal places, to save time and help us express really long numbers in shorter terms. There are certain rules to follow when rounding a decimal number. Put simply, if the last digit is less than 5, round the previous digit down. However, if it’s 5 or more than you should round the previous digit up. So, if the number you are about to round is followed by 5, 6, 7, 8, 9 round the number up. And if it is followed by 0, 1, 2, 3, 4 round the number down.

The area of circle is 47.39cm^2.

Putting it in the formula we get

47.39cm^2 = πr^2

r^2 = 47.39 / π

r^2 = 15.0847

r = 3.88 cm

Hence the length of the radius rounded to 2 decimal points is 3.88cm.

Learn more about circles here :

brainly.com/question/22275589

#SPJ4

5 0
2 years ago
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