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3 years ago

Someones answer q3 ill mark as brainliest pleaseee

Mathematics

1 answer:

il63 [147K]3 years ago

5 0

The length of the rectangle is x and the height is x-2

To find the area of a rectangle you multiply length times width

l(w) = 146

x(x-2) = 146

x^2 - 2x = 146

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Suppose the average price of gasoline for a city in the United States follows a continuous uniform distribution with a lower bou

Novay_Z [31]

Answer:

$P(X$

And we can use the cumulative distribution function given by:

$F(x) = \frac{x-a}{b-a} , a \leq X \leq b$

And for this case we can write the probability like this:

$P(X$

And then the final answer for this case would be $\frac{2}{3}=0.667$

Step-by-step explanation:

For this case we define our random variable X "price of gasoline for a city in the USA" and we know the distribution is given by:

$X \sim Unif (a=3.5, b=3.8)$

And for this case the density function is given by:

$f(x) = \frac{x}{b-a}= \frac{x}{3.8-3.5}=, 3.5 \leq X \leq 3.8$

And we want to calculate the following probability:

$P(X$

And we can use the cumulative distribution function given by:

$F(x) = \frac{x-a}{b-a} , a \leq X \leq b$

And for this case we can write the probability like this:

$P(X$

And then the final answer for this case would be $\frac{2}{3}=0.667$

5 0

3 years ago

You have 3 gallons of brown stock. You need 6 cups to make one serving of braised short ribs. How many servings can you make?

Vilka [71]

Answer: 8 servings can be made

Step-by-step explanation:

Concept:

As we can see from the question there are two different units applied [gallons] and [cups]; therefore, we need to do the unit conversion.

<u>1 gallon = 16 cups</u>

Solve:

Given there are 3 gallons of brown stock, we need to convert gallons into cups.

1 gallon = 16 cups
3 gallons = 16 × 3 = 48 cups

Then, divide 48 cups by 6 cups to find out how many servings can be made.

48 cups / 6 cups = 8 servings

Hope this helps!! :)

Please let me know if you have any questions

6 0

3 years ago

Distances in space are measured in light-years. The distance from Earth to a star is 6.8 × 1013 kilometers. What is the distance

baherus [9]

I light year = 9.46 x 10¹² km

-------------------------------------------------------------------------------------
Find the number of light years
-------------------------------------------------------------------------------------

$\text {Number of light years = } \dfrac{6.8 \times 10^{13}}{9.46 \times 10^{12}}$

$\text {Number of light years = } 7.18$

-------------------------------------------------------------------------------------
Answer: The distance from Earth to the star is 7.18 light-years.
-------------------------------------------------------------------------------------

8 0

3 years ago

Read 2 more answers

36. How many 13 -card hands dealt from a standard deck will have exactly seven spades?

barxatty [35]

Answer:

id k give a second

Step-by-step explanation:

7 0

2 years ago

Please help me with this question, i need a lot of help.

vivado [14]

Answer:

The answer is C

Step-by-step explanation:

117 + 23 =140 and you have $140 in all so you spent it all

3 0

3 years ago