Help answer this!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

Vadim26 [7]3 years ago

8 0

Answer:

D. on the number line, move 6 units to the left. End at -9, the Dolphin was 9 feet below sea level

bixtya [17]3 years ago

7 0

Answer:

D move 6 units to the left and land on -9

Step-by-step explanation:

The dolphin dove down meaning that it went 6 feet below sea level. that would mean -6. If you move 6 spaces to the left, you would land on -9. Hope this helps

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Please help<br> 15x ^2 −4x−4= ?

oksian1 [2.3K]

<h3>I'll teach you how to solve 15x ^2 −4x−4</h3>

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15x ^2 −4x−4

Break the expressions into groups:

(15x^2+6x) + (-10x-4)

Factor out 3x from 15x^2+6x:

3x(5x+2)

Factor out -2 from -10x-4:

-2(5x+2)

3x(5x+2) -2(5x+2)

Factor out common term 5x+2:

(5x+2)(3x-2)

Your Answer Is (5x+2)(3x-2)

plz mark me as brainliest :)

3 0

4 years ago

WILL GIVE BRAINLIEST!!!!!!!

Liula [17]

Hints on solving trigonometry problems:

If no diagram is given, draw one yourself.

Mark the right angles in the diagram.

Show the sizes of the other angles and the lengths of any lines that are known

Mark the angles or sides you have to calculate.

Consider whether you need to create right triangles by drawing extra lines. For example, divide an isosceles triangle into two congruent right triangles.

Decide whether you will need Pythagorean theorem, sine, cosine or tangent.

Check that your answer is reasonable. The hypotenuse is the longest side in a right triangle.

How to use the tangent ratio to find missing sides or angles?

Example: