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3 years ago

subtract 6/8 - 1/4 enter your answer in the box below as a fraction in lowest terms using the slash ( / ) as the fraction bar

Mathematics

1 answer:

harkovskaia [24]3 years ago

7 0

2/4 but if you reduce you get 1/2

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The amount of time it takes Isabella to wait for the bus is continuous and uniformly distributed between 3 minutes and 17 minute

Arturiano [62]

Answer:

P(X>5) = 0.857

Step-by-step explanation:

Let X $\sim$ uniform(3.17)

$f(x) = \dfrac{1}{17-3} ; \ \ \ 3 \le x \le 17$

The required probability that it will take Isabella more than 5 minutes to wait for the bus can be computed as:

$P(X > 5) = \int ^{17}_{5} f(x) \ dx$

$P(X > 5) = \int ^{17}_{5} \dfrac{1}{17-3} \ dx$

$P(X > 5) =\dfrac{1}{14} \Big [x \Big ] ^{17}_{5}$

$P(X > 5) =\dfrac{1}{14} [17-5]$

$P(X > 5) =\dfrac{12}{14}$

P(X>5) = 0.857

6 0

3 years ago

Two sides of a right triangle have lengths of 4 centimeters and 7 centimeters. The third side is NOT the hypotenuse. How long is

andrezito [222]

Answer:

The third side is 5.7 centimeters.

Step-by-step explanation:

The hypothenuse is the largest side of a right triangle. So in this question, we know that the hypothenuse is 7.

One of the sides is 4, and the other is x.

Applying Pythagoras' Theorem:

$x^{2} + 4^{2} = 7^{2}$

$x^{2} = 49 - 16$

$x^{2} = 33$

$x = \pm \sqrt{33}$

Since it is a length measure, we only take the positive value

$x = 5.7$

The third side is 5.7 centimeters.

6 0

3 years ago

Pierce works at a tutoring center on the weekends. At the center, they have a large calculator to use for demonstration purposes

Dimas [21]

Answer:

Step-by-step explanation:

12 divided by 3.6= 3.33

251 divided by 3.33 = 75.3 meters

Hope this helps!

4 0

3 years ago

It turns out that (0.125)^3 can be written as 2^a for some integer a. Find a.

Ann [662]

Answer:

$a=-9$

Step-by-step explanation:

We begin with $(0.125)^3$

First, we can convert this decimal into a fraction

$(\frac{1}{8} )^3$

Now, we can simplify the denominator of the fraction

$(\frac{1}{2^{3} } )^3$

Next, we can remove the fraction by rewriting the fraction with a negative power.

$(2^{-3} )^3$

Lastly, we can remove the parenthesis by multiplying the powers together.

$2^{-9}$

This means that $a=-9$

4 0

4 years ago

The bill for lunch was $7

GrogVix [38]

Answer:

how much money did they have ?

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers