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3 years ago

If you flip a coin or roll a 6-sided die, what is the probabilty that you will flip a tails and roll a 2?

Mathematics

1 answer:

telo118 [61]3 years ago

3 0

Answer:

$\frac{1}{12}$

Step-by-step explanation:

P(tail) = $\frac{1}{2}$

P(2) = $\frac{1}{6}$

P(tail and 2 ) = $\frac{1}{2}$ × $\frac{1}{6}$ = $\frac{1}{12}$

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A factory produce bicycles at a rate of 110+0.5t^2-0.9t bicycles per week (t in weeks)

klasskru [66]

Answer:

221

Step-by-step explanation:

Day 8 is the first day of the second week.

Day 21 is the last day of week 3.

We need to know the n umber of bicycles made from t = 1 to t = 3

The function is b(t) = 110 + 0.5t^2 - 0.9t, where t is in weeks.

We need to integrate the function with the limits of 1 to 3.

$\int_{1}^{3} (110 + 0.5t^2 - 0.9t) dt$

$\int_{1}^{3} (110 + \dfrac{t^2}{2} - \dfrac{9t}{10}) dt$

$= 110t + \dfrac{t^3}{6} - \dfrac{9t^2}{20} \Biggr|_{1}^{3}$

$= 330.45 - 109.72$

$= 220.7333$

Answer: 221

3 0

3 years ago

tim has a box of 15 markers. He gives 3 markers each to 4 friends..what expression can show the numbers of markers tim has left?

SOVA2 [1]

15-(3•4) = m

m=how many markers Tim has left.

8 0

3 years ago

after 20 minutes he is on page 151, after 45 minutes he was on page 181. how many pages had clint read prior to study hall

xeze [42]

127 is the answer bc if you subtract 45-20 that gives you 25 minutes and then in 25 minutes he read 30 pages so you can divide 30÷25 which gives you 1.2 so then you’re going to multiply 20 and 1.2 which gives u 25 and subtract 24 from 151

6 0

3 years ago

13. The diagram in this figure illustrates a _______ angle.

Paha777 [63]

I believe the answer is A!!

8 0

4 years ago

Which equation is a point slope form equation for line AB ? y+1=32(x−1) y+1=−32(x−1) Four-quadrant Cartesian graph with integer

fenix001 [56]

Answer:

The second option is correct. The point slope form of AB is $y+1=\frac{-3}{2}(x-1)$ .

Step-by-step explanation:

The given points are A(-3,5) and B(1,-1).

Slope of a line is

$m=\frac{y_2-y_1}{x_2-x_1}$

Slope of AB is

$m=\frac{-1-5}{1-(-3)}$

$m=\frac{-6}{4}$

$m=\frac{-3}{2}$

The point slope form of a line is

$y-y_1=m(x-x_1)$

Where, m is slope of the line.

Case 1: The slope of the line is $\frac{-3}{2}$ and the point is (-3,5). The point slope form of AB is

$y-5=\frac{-3}{2}(x+3)$

Case 1: The slope of the line is $\frac{-3}{2}$ and the point is (1,-1). The point slope form of AB is

$y+1=\frac{-3}{2}(x-1)$

Therefore the point slope form of AB is $y+1=\frac{-3}{2}(x-1)$ . Option 2 is correct.

3 0

3 years ago