3 years ago

Help me please guys I really need it

Mathematics

1 answer:

TEA [102]3 years ago

6 0

Answer:

You have a standard deck of 52 cards
You have 4 jacks in the standard card
Hence 4/52

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Find the length of the missing side. The diagram is not drawn to scale. (Please explain how to get to the answer)

ankoles [38]

The triangle is a right triangle so use the Pythagorean theorem.

a² + b² = c²

15² + b² = 17²
225 + b² = 289
b² = 64
b = √64
b = 8

Hope this helps :)

4 0

4 years ago

What is the approximate circumference of the circle

labwork [276]

C = 2 pi r
C = 2 x 3.14 x 12.5
C = 78.5 cm

answer is C. 78.5 cm

7 0

4 years ago

-x+ 5 = 1/3x - 3 (3)

Inessa [10]

Answer:

X = 10.5 or x = 10 1/2 (same thing but one is in fraction form and one is in decimal form)

Step-by-step explanation:

Solve for x

5 0

3 years ago

When placed in liquid nitrogen, a chemical changes in temperature by -4.8°C

Lena [83]

Answer:

-2.4

Step-by-step explanation:

3 0

3 years ago

Suppose that the commuting time on a particular train is uniformly distributed between 42 and 52 minutes. Bold a. What is the pr

nikdorinn [45]

Answer: 0.2

Step-by-step explanation:

Given: The commuting time on a particular train is uniformly distributed over the interval (42,52).

∴ The probability density function of X will be :-

$f(x)=\dfrac{1}{b-a}\\\\=\dfrac{1}{52-42}=\dfrac{1}{10}, 42$

Thus, the required probability :-

$P(X$

Hence, the probability that the commuting time will be less than 44 minutes= 0.2

7 0

3 years ago