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3 years ago

What’s the answer really need help

Mathematics

2 answers:

MissTica3 years ago

8 0

Answer:

A) 1.5

Step-by-step explanation:

You see, the slope is defined by y_2-y_1/x_2-x_1 so therefore if we look at 3 gallons of water and 4 gallons of water the y is length of string and x is water(gallons) so it's (4.5-3)/4-3=1.5/1= 1.5

Alona [7]3 years ago

5 0

1.5 is the answer 1.5 is the answer 1.5 is the answer

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The arrival time of a professor to her office is uniformly distributed in the interval between 8 and 9 A.M. Find the probability

NeTakaya

Answer:

0.025

Step-by-step explanation:

Given that the arrival time of a professor to her office is uniformly distributed in the interval between 8 and 9 A.M.

If the professor did not arrive till 8.20 he will arrive between 8.21 and 8.40

Hence probability for arriving after 8.20 is 1/40

Prob he arrives at exactly 8.21 is 1/60

To find the probability that professor will arrive in the next minute given that she has not arrived by 8: 20.

= Prob that the professor arrives at 8.21/Prob he has not arrived by 8.20

This is conditional probability and hence

= $P(professor arrives at 8.21)/P(professor arrives after 8.20)\\= \frac{\frac{1}{60} }{\frac{40}{60} } \\=\frac{1}{40} \\=0.025$

7 0

3 years ago

Correct answer gets brainliest or who ever answered first

timurjin [86]

Answer:

Step-by-step explanation:

6 0

3 years ago

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How do you simplify 9/8?

Mademuasel [1]

Answer:

1 1/8

Step-by-step explanation:

divide 9 and 8 and u get ur answer Hoped I helped im Eve btw. Have a great day and consider marking this brainliest if you do thank you in advanced!

4 0

2 years ago

What is the solution of this system of linear equations? 3y = 3 y equals StartFraction 3 over 2 EndFraction x plus 6.X + 6 y – S

Scrat [10]

Answer:

(0,6)

Step-by-step explanation:

The given system of equations is

$y = \frac{3}{2}x + 6$

and

$\frac{1}{2}y - \frac{1}{4}x = 3$

We substitute the first equation into the second equation to get:

$\frac{1}{2} ( \frac{3}{2}x + 6) - \frac{1}{4}x = 3$

We expand to get:

$\frac{3}{4} x + 3 - \frac{1}{4}x = 3$

We group similar terms to get:

$\frac{3}{4}x - \frac{1}{4}x = 3 - 3$

$\frac{1}{2}x = 0$

$x = 0$

Put x=0 in to the first equation to get:

$y = 6$

Therefore the solution is (0,6)

3 0

3 years ago

Read 2 more answers

I need help for real, no helpless answers please!

nikklg [1K]

Given:

m∠R = 90°

m∠Q = 6°

PQ = 2.2 ft

RP = x

To find:

The length of RP.

Solution:

Using basic trigonometric formula:

$$\sin \theta =\frac{\text{Opposite of} \ \theta}{\text{Hypotenuse}}$

$$\sin 6^\circ =\frac{x}{2.2}$

$$0.1=\frac{x}{2.2}$

Multiply by 2.2 on both sides.

$$0.1\times2.2=\frac{x}{2.2}\times2.2$

$$0.22=x$

$$0.2=x$ (nearest tenth)

The length of RP is 0.2 feet.

8 0

3 years ago