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4 years ago

In a game, the player wins if he rolls a 2 on a

1 answer:

6 0

Since the die is 6 sided, there’s a 1/6 chance he’ll roll a 2. If we divided 100 by 6, it is a 17% success rate.
24 x 17% is 4.08.

He will probably roll successfully 4 times out of 24

Double check: 4/24 can be simplified to 1/6, which is the original probability.

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Let U = {1,2,3,4,5,6,7,8,9,10}, A = {1,3,5,7,9}, B = {2,4,6,8,10} and C = {1,2,3,4} find (i) U' ii) A∩A' iii) A – ( B U C) iv) A

Artyom0805 [142]

Answer:

(i) U' = Φ

(ii) A∩A' = Φ

(iii) A – ( B U C) = {5,7,9}

(iv) A' U ( B U C ) = {2,4,6,8,10}

(v) A' U ( B' ∩ C') = {2,4,5,6,7,8,9,10}

Step-by-step explanation:

8 0

3 years ago

A tiling company completes two jobs. The first job has $1200 in labor expenses for 40 hours worked, while the second job has $15

Lelu [443]

The slope (change in y/change in x) of the line is (1560 - 1200)/(52 - 40), which is equal to 30. We can plug this into the equation y = mx + b using either the point (40, 1200) or (52, 1560). The slope is represented by m and the y - intercept by b. Therefore, the two possible equations you could use are:

1200 = 30(40) + b

or 1560 = 30(52) + b

Using either equation, you'll get that b is equal to 0, which makes sense in the context of the problem, since it's reasonable to expect that the labor expenses would be 0 for 0 hours worked.

5 0

4 years ago

What is the value of the 1 in 3.619? Any idea

Kazeer [188]

C. one hundrenth. It's in the hundrenths place.

5 0

3 years ago

Which of the following is the conjugate of a complex number with 5 as the real part and −2 as the imaginary part?

ololo11 [35]

Hello!

Given two real numbers "a" and "b", the complex number z is defined as:

The complex conjugate of "Z = a + bi" is "Z = a – bi"

Given the complex number $Z = a - bi$ , "a" is called the real part and "b" the imaginary part.

Therefore:

Re(a) = 5

Im(b) = -2

$z = a - bi$

$z = 5 - (-2)i$

$\boxed{\boxed{z = 5 + 2i}}\end{array}}\qquad\checkmark$

Answer:

a. 5 + 2i

__________________________

I Hope this helps, greetings ... DexteR! =)

7 0

3 years ago

The heights of two cylinders are in the ratio 3:1 if the volumes of two are same find the ratio of their respective radii

Soloha48 [4]

Answer:

$\sqrt{3}$ :1

Step-by-step explanation:

Ratio of height of two cylinders are 3:1

Let C2 has the height x

then height of C1 is 3x

Let r1 is the radius of C1

and r2 is the radius of C2

As given that volume of both are equal

Also we know that formula for the volume of the cylinder is

V= π r²h

for C1

V= π (r1)²h

for C2

V=π (r2)²h

As volume of both are same so equating them

π (r1)²h1 = π (r2)²h2

as h1 =3x and h2=x

putting values

π (r1)²(3x) = π (r2)²(x)

cancelling out π and x from both side of the equation

3(r1)²= (r2)²

Taking square root of both sides give

$\sqrt{3(r1)^{2} }=\sqrt{(r2)^{2} }$

r1 ( $\sqrt{3}$ ) = r2

r1 : r2 = $\sqrt{3}$ :1

7 0

4 years ago