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3 years ago

Please help me

Mathematics

2 answers:

guajiro [1.7K]3 years ago

8 0

Answer:

J is 8. (J= 22-14) So that would simplify to (J= 8)

Step-by-step explanation:

hope this helps :)

diamong [38]3 years ago

4 0

J is 8. (J= 22-14) So that would simplify to (J= 8)

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3\49857

Step-by-step explanation:

7 0

3 years ago

Which cube root function is always decrease as x increase

NARA [144]

Your answer would be <span>f(x) = -3√x+5</span>

5 0

4 years ago

What number needs to be added to 5 and 3 so that the ratio of the first number to the second

Mashcka [7]

Answer:

Step-by-step explanation:

Choose a variable to represent the number to be added to 5 and 3.

$\frac{5+x}{3+x}=\frac{4}{3}$

"Cross-multiply."

$3(5+x)=4(3+x)\\\\15+3x=12+4x\\\\15=12+x\\\\3=x$

Check: The ratio of 5+3 to 3 + 3 is 8:6, equal to the ratio 4:3.

5 0

3 years ago

The graphs of f(x) and g(x) are shown below:

rosijanka [135]

<h2>Answer:</h2>

Option: C is the correct answer.

C.) x = −3.8, 3

<h2>Step-by-step explanation:</h2>

The function f(x) is given by:

$f(x)=x^2-x-12$

and the function g(x) is given by:

$g(x)=-1.8x-0.6$

Now, we are asked to find the solution of the equation:

$f(x)=g(x)$

i.e. we have to find the value of x such that both the functions are equal i.e.

$x^2-x-12=-1.8x-0.6\\\\i.e.\\\\x^2-x+1.8x-12+0.6=0\\\\i.e.\\\\x^2+0.8x-11.4=0\\\\i.e.\\\\10x^2+8x-114=0\\\\i.e.\\\\5x^2+4x-57=0$

Now, on solving the equation using the quadratic formula i.e. the solution of the equation:

$ax^2+bx+c=0$

is given by:

$x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}$

Here we have:

$a=5,\ b=4\ and\ c=-57$

Hence, the solution is given by:

$x=\dfrac{-4\pm \sqrt{4^2-4\times 5\times (-57)}}{2\times 5}\\\\i.e.\\\\x=\dfrac{-4\pm \sqrt{16+1140}}{10}\\\\i.e.\\\\x=-3.8\ and\ x=3$

6 0

3 years ago

NEED ASAP!!

guapka [62]

I think it is C
Hope this helped

6 0

3 years ago