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evablogger [386]
3 years ago
10

Which of the following describes a compound event?

Mathematics
1 answer:
lapo4ka [179]3 years ago
8 0

Answer:

A. Tossing 5 coins and getting 4 heads

Step-by-step explanation:

Compound events may be described as events whose occurence has more than one possible outcome, that is the number of possible events is more than one. From the options given above, Rolling 3 on a die, this event has only one possible outcome, which is rolling 3 ; tossing a coin and getting tails also has one obe possible outcome. Drawing 10 diamonds from a deck also focuses on one event which is drwinh diamonds. However, tossing 5 coins and getting 4 heads involves that the 5th toss will be tail. This has more than one event and thus a compound event.

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Solve for x:
SIZIF [17.4K]

Answer:

x = 5.95

Step-by-step explanation:

Given

\frac{x}{1.7} = 3.5

Multiply both sides by 1.7 to clear the fraction

x = 1.7 × 3.5 = 5.95

8 0
3 years ago
a carpenter has been asked to build an open box with a sqaure base. the sides of the box will cost $3 per m^2 and the base will
slamgirl [31]
<h2>Dimension of box is 2 m x 2 m x 1.33 m</h2>

Step-by-step explanation:

Let a be base side and h be the height.

Volume of box, V = a²h

The sides of the box will cost $3 per m² and the base will cost $4 per m². Cost for making is $48.

That is

                 4a² + 3 x 4 x a x h = 48

                 4a² + 12 a x h = 48

                 a² + 3 ah = 12  

                 h=\frac{12-a^2}{3a}

So volume is

                    V=a^2\times \frac{12-a^2}{3a}=4a-\frac{a^3}{3}

At maximum volume we have derivative is zero,

                    dV=4da-3\times \frac{a^2}{3}da\\\\0=4-a^2\\\\a=\pm 2

Negative side is not possible, hence side of square base is 2m.

Substituting in  a² + 3 ah = 12  

                           2² + 3 x  2 x h = 12  

                             h = 1.33 m

Dimension of box is 2 m x 2 m x 1.33 m

5 0
3 years ago
Calculate the area of a rectangle if its dimensions are listed below:
Marizza181 [45]

Answer:

Length=10x

Breadth=7x

Area=10x×7x

=70x²

3 0
3 years ago
Read 2 more answers
Which of these prices is lower that 8 for $10.00?
nika2105 [10]
No options are given. You might have to resubmit you question.
7 0
3 years ago
The overall changein isaiah score in the first two rounds of a video games is 0 poing. if his score changed by -22 points in the
Rashid [163]

The change in the first round is -22.

The change in the second round is unknown, so we let x = the change in the second round.

When we add the two changes we get an overall change of 0.

-22 + x = 0

Add 22 to both sides of the equation.

x = 22

The change in the second round is 22 points because when you add 22 points to -22 points you get the overall change of 0 points.

7 0
3 years ago
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