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marin [14]
3 years ago
6

O

Mathematics
1 answer:
vichka [17]3 years ago
4 0

Answer:

4.) ET is perpendicular to plane BAT

Step-by-step explanation:

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The volume of a gas varies inversely as the pressure upon it. If the volume of the gas is 160 cubic centimeters at a pressure of
erica [24]

Answer:

The new volume is 198.62\ cm^3.        

Step-by-step explanation:

We are given with the volume of a gas varies inversely as the pressure upon it.

Initial volume is 160 cubic centimetres and initial pressure is 108 Pa. It is required to find the volume when the pressure is 87 centimetres.

According to given condition,

V\propto \dfrac{1}{P}

P_1V_1=P_2V_2

V_2 is new volume

V_2=\dfrac{P_1V_1}{P_1}\\\\V_2=\dfrac{160\times 108}{87}\\\\V_2=198.62\ cm^3

So, the new volume is 198.62\ cm^3.

6 0
4 years ago
The selling price of an item is ​$390. After 6 months of not​ selling, it is marked down by 10​%. After another 6 months of not​
Shkiper50 [21]

Answer:

$246

Step-by-step explanation:

The price of the product is $390, after 6 months the price is marked down by 10% which is $39 so the total will be $351. After another 6 months the price is marked down again by 30%, which is $105 and 3 cents ($105.3). For a total of $245 and 7 cents ($245.7).  To round the number you only need to look at the number after the decimal which is 7 in this case. Any number bellow 5 counting 5 in it, will stay the same number, any number above 5 without counting 5 will be the next number. So $245.7 rounded to the nearest dollar will be $246.

Hope it was helpful ^^ <3

Good Luck

7 0
4 years ago
9.
Pani-rosa [81]

Answer:

rakamları farklı,üç basamaklı iki farklı sayının çarpımı "*en az*" kaçtır dediğine göre ilk olarak rakamları farklı üç basamaklı en küçük sayiyi bulmalıyız. Rakamlari farklı üç basamaklı en küçük doğal sayi:102 dir

şimdi birbirinden farklı iki sayı dedigi için ikinci sayıya 102 diyemeyiz o yüzden biz de 102den farklı en küçük 2. sayiyi bulmalıyız. O zaman 2. sayımız 103 olur

102×103=10 506 olur

CEVAP= D

3 0
3 years ago
The top letter is “L”<br> Please help!! Answer correctly and no guessing, please!
Mkey [24]

First you need to find out what K and L's angle is

Step #1: Finding L's angle number

to do this you are going to subtract  219-178=?

answer should be 41.

Step #2: Desiding if J is Larger than L

Is 219 Larger than 41? or is 41 larger than 219?

4 0
3 years ago
Read 2 more answers
343 divided by 7 in long division
gayaneshka [121]
343 divided by 7 is 49

There are 49 groups of 7 in 343

The answer is 49
6 0
3 years ago
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