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2 years ago

6

martin will roll a number of cube 150 times.The number cube is labeled 1 to 6.How many times could Martin expect to roll a numbe

r greater than 2?

1 answer:

olga_2 [115]2 years ago

7 0

So the probability of rolling a number greater than 2 is 4/6. So 4/6 times 150 should give you the answer 100.

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Here are seven tiles: 1,1,3,3,3,5,5. Tom takes a tile at random. He does not replace the tile. Tom then takes a second tile. A)

zzz [600]

Answer:

a) 2/42

b)16/42

Step-by-step explanation:

a) 2/7 x 1/6 = 2/42

b) (1,2) (1,3) (2,3)

P(1,2) = 2/7 x 3/6 = 6/42

P(1,3) = 2/7 x 2/6 = 4/42

P(2,3) = 3/7 x 2/6 = 6/42

Add all = 6/42 + 4/42 + 6/42 = 16/42

4 0

1 year ago

D(-3+x)=kx+9 solve for x

Gnesinka [82]

d(-3 + x) = kx + 9

Distribute d inside the parentheses.

-3d + dx = kx + 9

Subtract kx from both sides.

-3d + dx - kx = 9

Add 3d to both sides.

dx - kx = 9 + 3d

Factor x out of dx - kx.

x(d - k) = 9 + 3d

Divide both sides by d - k.

x = $\frac{9+3d}{d-k}$

If you want to simplify this even more, factor 3 out of the numerator.

<h3>x = $\frac{3(d + 3)}{d-k}$ </h3>

5 0

2 years ago

A pizzeria will only deliver to locations within a certain distance of the pizzeria. The delivery region has an area of 36pi squ

shusha [124]

No

Step-by-step explanation:

she lives 10 miles away and the pizzeria only has a 6 mile radius.

0 0

1 year ago

Steve can wash, fold, and iron a basket of laundry in two hours and prepare a meal in one hour. His roommate Mike can wash, fo

masha68 [24]

Answer: The absolute advantage in laundry is held by Steve while the comparative advantage in meal preparation is held by Mike.

Step-by-step explanation:

Absolute advantage is when an individual, firm or country can produce a good or service at a lower cost when compared to the other economic agent. When someone has absolute advantage, it means that the person uses fewer resources and spends less time in producing the good. Based on the explanation, Steve has absolute advantage in laundry since he spends two hours compared to Mike who uses 3hours.

Comparative advantage is when an individual, firm or government can produce a good or service with a lower opportunity cost when compared to the other person. Mike has a comparative advantage in the preparation of meal. It'll be better for Steve to focus his attention on laundry while Mike does the meal.

7 0

1 year ago

The graph of which function passes through (0,3) and has an amplitude of 3? f (x) = sine (x) + 3 f (x) = cosine (x) + 3 f (x) =

Cloud [144]

Answer:

$f(x)=3*cosine(x)$

Step-by-step explanation:

We are looking for a trigonometric function which contains the point (0, 3), and has an amplitude of 3.

We know that for a sine function $f(x)=sin(x)$ , $f(0)= 0$ ; therefore the function we a looking for cannot be a sine function because it is zero at $x=0$ .

However, the cosine function $f(x)=cos(x)$ gives non-zero value at $x=0:$

$f(0)=cos(0)=1$

therefore, a cosine function can be our function.

Now, cosine function with amplitude $a$ has the form

$f(x)=a*cos(x)$

this is because the cosine function is maximum at $x= 0$ and therefore, has the property that

$f(0)=a*cos(0)= a$

in other words it contains the point $(0, a)$ .

The function we are looking for contains the point $(0, 3)$ ; therefore, its amplitude must be 3, or

$f(x)=3cos(x)$

we see that this function satisfies our conditions: $f(x)$ has amplitude of 3, and it passes through the point (0, 3) because $f(0)=3$

8 0

2 years ago

Read 2 more answers