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joja [24]
3 years ago
10

Zack flips a coin and rolls a number cube with sides labeled 1 to 6. What is the probability that he gets heads and a number gre

ater than 4?
Mathematics
1 answer:
mixas84 [53]3 years ago
7 0
Probabilty he gets heads= I thing it is 1/2
Probabilty he gets a number greater than 4= For sure it's 2/6
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Every hour of training raises the salary
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What is the answer to 2+4×7
PIT_PIT [208]
2+4×7=
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Read 2 more answers
Please help ASAP! Thanks! For the figures below, assume they are made of semicircles, quarter circles and squares. For each shap
bazaltina [42]

Answer:

Part 1) A=36(\pi-2)\ cm^2

Part 2) P=6(\pi+2\sqrt{2})\ cm

Step-by-step explanation:

Part 1) Find the area

we know that

The area of the shape is equal to the area of a quarter of circle minus the area of an isosceles right triangle

so

A=\frac{1}{4}\pi r^{2}-\frac{1}{2}(b)(h)

we have that the base and the height of triangle is equal to the radius of the circle

r=12\ cm\\b=12\ cm\\h=12\ cm

substitute

A=\frac{1}{4}\pi (12)^{2}-\frac{1}{2}(12)(12)

A=(36\pi-72)\ cm^2

simplify

Factor 36

A=36(\pi-2)\ cm^2

Part 2) Find the perimeter

The perimeter of the figure is equal to the circumference of a quarter of circle plus the hypotenuse of the right triangle

<em>The circumference of a quarter of circle is equal to</em>

C=\frac{1}{4}(2\pi r)=\frac{1}{2}\pi r

substitute the given values

C=\frac{1}{2}\pi (12)

C=6\pi\ cm

The hypotenuse of right triangle is equal to (applying the Pythagorean Theorem)

AC=\sqrt{12^2+12^2}

AC=\sqrt{288}\ cm

simplify

AC=12\sqrt{2}\ cm

Find the perimeter

P=(6\pi+12\sqrt{2})\ cm

simplify

Factor 6

P=6(\pi+2\sqrt{2})\ cm

6 0
3 years ago
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avanturin [10]

Answer:

48

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n=2*4!\\n=2*4*3*2*1\\n=48\ ways

They can be arranged in 48 ways.

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3 years ago
Now find the components nx and ny of n⃗ in the tilted coordinate system of part<br> b.
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solution:

vector N points to the left and up so the components Nx and Ny are negative and positive respectively

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