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3 years ago

3x - 6 less than or equal to -3 on a graph

Mathematics

1 answer:

g100num [7]3 years ago

4 0

I believe that -3 is less than 3x-6 because if you look at their graph -3’s graph is below 3x-6 graph

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HeLP ASAP WiLl GiVe bRanIiEst!!!!!

riadik2000 [5.3K]

x = 9

Step-by-step explanation:

mean = 5+7+7+x /4 = 7

19+x / 4 = 7

19+x = 28

x = 9

6 0

2 years ago

Read 2 more answers

Question 8(Multiple Choice Worth 3 points)

Nastasia [14]

Answer: C) F(4) = 0

Detailed Explanation:

A zero/root of a polynomial is a value of the variable which makes the value of the polynomial to 0.

Therefore, when (x - 4) is a Factor :-
=> x - 4 = 0
=> x = 4

=> x = 4 is the Zero of the Polynomial.

4 0

2 years ago

Question in picture A) 16/63 B)-16/63 C) 63/16 D) -63/16

Orlov [11]

ANSWER
$\tan(x + y) = - \frac{63}{16}$

EXPLANATION

We were given that,

$\csc(x) = \frac{5}{3}$

This implies that,

$\sin(x) = \frac{3}{5}$

We use the Pythagorean identity

$\sin^{2} (x) + \cos^{2} (x)= 1$
to get,

$\cos(x) = \sqrt{1 - ( { \frac{3}{5} })^{2}} = \frac{4}{5}$

We were also given that,

$\cos(y) = \frac{5}{13}$

This means that,

$\sin(y) = \sqrt{1 - {( \frac{5}{13}) }^{2} } = \frac{12}{13}$

This is because,

$0 < \: x \: < \frac{\pi}{2}$

$0 < \: y \: < \frac{\pi}{2}$

This angles are in the first quadrant so we pick the positive values.

$\tan(x + y) = \frac{ \sin(x + y) }{ \cos(x + y) }$

$\tan(x + y) = \frac{ \sin(x ) \cos(y) + \sin(y) \cos(x) }{ \cos(x) \cos(y) - \sin(x) \sin(y) }$

$\tan(x + y) = \frac{ \frac{3}{5} \times \frac{5}{13} + \frac{12}{13} \times \frac{4}{5} }{ \frac{4}{5} \times \frac{5}{13} - \frac{3}{5} \times \frac{12}{13} }$

$\tan(x + y) = - \frac{63}{16}$

The correct answer is D

4 0

3 years ago

Expand the expression 7 (9x-2)

Masteriza [31]

If you would like to expand the expression 7 * (9 * x - 2), you can do this using the following steps:

7 * (9 * x - 2) = 7 * 9 * x - 7 * 2 = 63 * x - 14

The correct result would be 63 * x - 14.

7 0

3 years ago

Read 2 more answers

What is the correct solution set for the following graph?

Serhud [2]

Answer: i do not see a graph

Step-by-step explanation:

8 0

3 years ago