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3 years ago

MAY YOU PLEASE HELP ME!

Mathematics

1 answer:

Grace [21]3 years ago

3 0

Answer:

Step-by-step explanation:

h(17) = 17

when t = 17, h(t) = sqrt(17t)

sqrt(17^2) = 17

h(17) = 17

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Consider two boxes, one containing one black and one white marble, the other, two black and one white marble. A box is selected

valina [46]

Answer:

$\frac{7}{12}$

Step-by-step explanation:

Probability refers to chance of happening of some event.

Conditional probability is the probability of an event A, given that another event B has already occurred.

$B_1,B_2$ denote the two boxes.

In box $B_1$ :

No. of black balls = 1

No. of white balls = 1

In box $B_2$ :

No. of black balls = 2

No. of white balls = 1

Let B, W denote black and white marble.

So, probability that either of the boxes $B_1,B_2$ is chosen is $\frac{1}{2}$

Probability that a black ball is chosen from box $B_1$ = $\frac{1}{2}$

Probability that a black ball is chosen from box $B_2=\frac{2}{3}$

To find:probability that the marble is black

Solution:

Probability that the marble is black = $\frac{1}{2}(\frac{1}{2} )+\frac{1}{2}(\frac{2}{3})=\frac{1}{4}+\frac{1}{3}=\frac{7}{12}$

6 0

3 years ago

Anyone know how I can get Brainly Tutor? I checked on the website and it didn’t say how I sign up.

BabaBlast [244]

Answer:

Use bluestacks

Step-by-step explanation:

Many people use it for Brainly. Mostly gammers

6 0

3 years ago

Read 2 more answers

HELP ME PLEASE

zhannawk [14.2K]

Answer:(a) getting the equation:

We'll assume that the altitude is represented by the x-axis and that the boiling point is represented by the y-axis.

Therefore, we have two given points:

(8400 , 200.4) and (4200 , 206.7)

Since the relation is linear, therefore, the graph forms of straight line with the general equation:

y = mx + c where m is the slope and c is the y-intercept.

First, we will calculate the slope:

m = (y2-y1) / (x2-x1) = (206.7 - 200.4) / (4200 - 8400) = -0.0015

Therefore, the equation of the line now is:

y = -0.0015x + c

Then, we will need to calculate the y-intercept. In order to do so, we will use any give point and substitute in the previously obtained equation as follows:

y = -0.0015x + c

206.7 = -0.0015(4200) + c

c = 213

Based on the above calculations, the equation of the line is:

y = -0.0015x + 213

(b) getting the boiling point at altitude = 2100 ft:

Now, in order to calculate the boiling point at altitude 2100, we will substitute in the equation of the line as follows:

y = -0.0015(2100) + 213 = 209.85 degrees Fahrenheit

Step-by-step explanation:

7 0

2 years ago

O two decimal places, find the value of k that will make the function f(x) continuous everywhere. F of x= 3(x) + k for x less th

enot [183]

Answer:

k ≈ 1.88

Step-by-step explanation:

In order for the function to be continuous, the pieces of the function must have the same value at x=3. That is ...

f(3) = 3(3) +k = k(3^2) -6

15 = 8k . . . . . add 6-k, simplify

k = 15/8 = 1.875 ≈ 1.88

To two decimal places, the value of k that makes f(x) continuous at x=3 is 1.88.

5 0

3 years ago

PLZ HELP ME 50 POINTS AND BRAINLIEST

Tom [10]

I think the answer is 745

3 0

3 years ago