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satela [25.4K]
3 years ago
8

What is the probability that she draws a card less than 5

Mathematics
2 answers:
crimeas [40]3 years ago
6 0

Answer:

Number of favourable outcomes i.e. ‘a card of diamond’ is 13 out of 52 cards. Therefore, probability of getting ‘a card of diamond’ Number of favorable outcomes P(D) = Total number of possible outcome = 13/52 = 1/4 (v) a king or a queen. Total number of king is 4 out of 52 cards. Total number of queen is 4 out of 52 cards

Step-by-step explanation:

sladkih [1.3K]3 years ago
6 0

Answer:

4/13

Step-by-step explanation:

16/52 = 4/13

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Which is the most convenient placement of an isosceles triangle in the coordinate plane for finding the side lengths?
Usimov [2.4K]

Answer:

The bottom left

Step-by-step explanation:

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3 years ago
The standard form of 0.0000035
azamat
In scientific notation, the answer is 3.5*10^-6 .

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How many grams of NH3 are required to produce 4.65 g of HF
nignag [31]

1.326 grams of NH3 are required to produce 4.65 g of HF.

Step-by-step explanation:

Balanced chemical reaction is written first to know the number of moles taking part in original reaction.

NH3 +3 F2 ⇒3 HF  +  NF3

Given:

mass of HF = 4.65

First the number of moles of HF in 4.65 grams is calculated by using the formula:

number of moles (n) = \frac{mass}{atomic mass of 1 mole}

atomic mass of HF = 20 grams/mole

putting the values in the above equation number of moles can be found.

n = \frac{4.65}{20}

  = 0.235 moles of HF are given.

From the equation it can be said that:

1 mole of NH3 reacts to form 3 moles of HF

so, x moles of NH3 would react to form 0.235 moles of HF

\frac{3}{1} = \frac{0.235}{x}

3x = 0.235

x = \frac{0.235}{3}

x = 0.078 moles of NH3 is required.

The moles are converted to mass by applying the formula:

mass = atomic mass X number of moles (atomic mass of NH3 = 17 grams/mole)

        putting the values in the formula

mass = 17 X 0.078

mass = 1.326 grams

8 0
3 years ago
Please help I will give brainiest to the right answer!!!!!!!! Please Help!!! ASAP!!!!
Dafna11 [192]

Answer:

arithmetic

Step-by-step explanation:

an arithmetic sequence is a sequence that moves up or down at a constant rate and the constant is 3

7 0
3 years ago
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If the cubic container had a volume of 1,728 in³, what would its dimensions be?
sineoko [7]

Answer:

12 inches × 12 inches × 12 inches

Step-by-step explanation:

Cube volume is s^3

s^3=1728

s=\sqrt[3]{1728}

s=12

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3 years ago
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