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3 years ago

Its 15/16 I´m pretty sure

Mathematics

2 answers:

Katena32 [7]3 years ago

7 0

Answer:

i dont understand what your asking

Step-by-step explanation:

Elza [17]3 years ago

3 0

Answer:

thank you ig?

Step-by-step explanation:

i think you created your own question instead of answering one

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If m(x) =x+5/x-1 and n(x) =x-3 which function has the same domain as (m.n)(x)

Travka [436]

Answer:

Step-by-step explanation:

m (x) = (x+ 5) / (x -1) and n(x) = x - 3.

$m(x) = \dfrac{x+5}{x-1}$

Hence

$m(n) = \dfrac{n+5}{n-1}$

but n is a function and n = x-3. Now, replace value of n on m (n)

$(m(n))= \dfrac{(x-3)+5}{(x-3)-1}$

simplify it

$(m\bullet n)(x) =\dfrac{x+2}{x-4}\\$

since (m . n) (x) is a fraction function, its domain will be all x such that the denominator is NOT 0. That is

$x-4\ne 0\rightarrow x\ne 4$

among options, only C has the same denominator with $(m\bullet n)(x)$

Hence their domains are the same.

4 0

3 years ago

You roll five number cubes and the numbers rolled are 1,2, 3, 4, and 5. Are the events independent? Explain.

trasher [3.6K]

Answer: B

Explanation

When rolling a dice, no matter how many times you get an outcome, it can never determine the exact outcome of the next roll, hence it is termed an independent event.

Hope this helps :)

5 0

3 years ago

Can someone answer this question please?

Leni [432]

Answer:

b $\leq$ -28/9

Step-by-step explanation:

5+9b $\leq$ -23

5+9b=-23

9b=-28

b=-28/9

4 0

3 years ago

Gasoline mileage of a car is 40 mph. On a smooth road, it’s milage is 5% higher. What is it’s milea on a smooth road?

scZoUnD [109]

It helps to think of a simpler problem. Let's say mpg is 20 and 10% higher on a smooth road.

How many miles will you get with one gallon on a regular road?

How many more miles will you get on a smooth road? 10% more, right? How much is that?

OK - so you've now solved a simpler problem. Use the exact some process to solve your, more complicated, problem.

4 0

3 years ago

Read 2 more answers

HEY GUYS I NEED THIS ANSWER NOW

Sergio [31]

Let

x-------> the number of fiction books

y-------> the number of nonfiction books.

we know that

$x+y=26$ -----> equation $1$

$x=y+12$

$x-y=12$ -----> equation $2$

Add equation $1$ and equation $2$

$x+y=26\\x-y=12\\ ------\\ 2x=38\\ x=38/2\\x=19\ fiction\ books$

<u>find the value of y</u>

$x+y=26$

$19+y=26$

$y=26-19=7\ nonfiction\ books$

therefore

<u>the answer is</u>

Part a) the number of fiction books is $19\ fiction\ books$

Part b) the number of nonfiction books is $7\ nonfiction\ books$

6 0

3 years ago

Read 2 more answers