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3 years ago

What’s the correct answer for this?

Mathematics

1 answer:

Tems11 [23]3 years ago

4 0

Answer:

Step-by-step explanation:

Cosine X= adjacent /hypotenuse

where adjacent=5 and hyp=13

Cos X=5/13

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-8x^2-3x+5+2x^2+7x-5

denis-greek [22]

-6x^2+4x

my reasoning:
eliminate the opposites (5 & -5)
collect the like terms (-8x^2 & + 2x^2)
collect the like terms again (-3x &+7x)

8 0

3 years ago

URGENT PLEASE HELP

OleMash [197]

Answer:

6.32

Step-by-step explanation:

6^2 - 2^2

✓40

=6.32455532

2d.p = 6.32

3 0

2 years ago

The equation that corresponds to this diagram is 6 (x+ 1)=24.

Annette [7]

Answer:

x is 3

Step-by-step explanation:

6 (x + 1) = 24

6 (x) + 6(1) = 24

6x + 6 = 24

Subtract 6 on both sides

6x + 6 - 6 = 24 - 6

6x + 0 = 18

6x = 18

x = 18/6

x = 3

7 0

2 years ago

Which ordered pair is the solution to the system of equations?

kozerog [31]

The answer and process is shown in the following picture

8 0

2 years ago

The product of 12 and k is 84.<br><br> Solve for k.

Mrac [35]

Answer:

The product of 12 and k is 84

According to the given problem, the equation is

$\boxed{12k = 84} \\ k = \frac{84}{12} \\ \boxed{k = 7}$

<u>k = 7</u> is the right answer.

5 0

2 years ago