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saveliy_v [14]
4 years ago
11

Are 1,3,7,19,23 prime number

Mathematics
2 answers:
alisha [4.7K]4 years ago
8 0
All of them are except for number 1
Vladimir79 [104]4 years ago
7 0
Every other option is a prime number except for 1, 1 is not a prime number.
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Write the product of 0.4×0.4×0.4 in exponential form
bearhunter [10]
<span>0.4×0.4×0.4 is equal to 0.4 to the third power, or 0.4</span>³
To convert to exponential form, count how many times the number is multiplied by itself and make that number the exponent. In this case, the 0.4 is multiplied by itself 3 times, so our exponent is 3. 

Answer is 0.4³
5 0
4 years ago
Vic is standing on the ground at a point directly south of the base of the CN Tower and can see the top when looking at an angle
mel-nik [20]

Vic and Dan are 2, 897m apart.

<h3>How to determine the distance</h3>

It is important to note that the distance between Vic and Dan is the base of CN

Let's say the distance to Dan is x

The distance to Vic is y

Using cosine ratio, we have

cos α = opposite / adjacent

α = 72°

opposite = 553. 3cm

Adjacent = x

cos  72° = \frac{553. 3}{x}

Cross multiply

cos 72 × x = 553. 3

0. 3090x= 553. 3

x = \frac{553. 3}{0. 3090}

x = 1, 790. 61 m

The distance to Vic is y

Using the cosine ratio, we have

cos 60 = \frac{553. 3}{y}

Cross multiply

0. 5y = 553. 3

y = \frac{553. 3}{0. 5}

y = 1,106. 6m

To determine how far apart Vic and Dan, we use = x + y

= 1790. 61 + 1106. 6

= 2, 897. 21m

= 2, 897m

Thus, Vic and Dan are 2, 897m apart.

Learn more about bearing and distance here:

https://brainly.in/question/47782732

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7 0
2 years ago
Write a decimal where the value of a digit is 1/10 as much as a digit in another place
KonstantinChe [14]
<span>Need to write a decimal which is the value is 1/10 as much as the value of the other digit.
=> 1/10 is equals to 0.1
Thus, we need to find a decimal that the value of the digits are 1.10 greater than each other.
Since we have 0.1 already as decimals, simply divide 0.1 again with 10 to get the answer
=> 0.1 / 10
=> 0.01
Now, let’s add the 0.1 and 0.01
=> 0.11
Thus, the decimal that are 1/10 greater than the other digit next to it is 0.11.


</span>



7 0
3 years ago
Can someone please help me. Will mark brainlist!
Olenka [21]

Answer:

You just divide 6 by 3 which makes it 50% chance.

Step-by-step explanation:

Which means the answer is 3/6

7 0
3 years ago
In one day, Mr Hanson spent $100
Vladimir79 [104]

Se redujeron $500 de la tarjeta de debito.

7 0
3 years ago
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