Where is the function decreasing?

Mathematics

2 answers:

sp2606 [1]3 years ago

8 0

@ (8, -2) I have no idea

Paul [167]3 years ago

7 0

Between x = 1 and x = 8

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BRAINLIEST ASAP! PLEASE HELP ME :)

vitfil [10]

Answer:

$\large \boxed{69^{\circ}}$

Step-by-step explanation:

Let y = m∠Y.

Then 90 - y = the complement of ∠Y

And 3(90 - y) = three times the complement of ∠Y

And 3(90 - y) + 6 = six more than three times the complement of ∠Y.

$\begin{array}{rcll}y & = & 3(90 - y) + 6 & \\& = & 270 - 3y + 6 & \text{Distribuetd the 3}\\& = & 276 - 3y & \text{Simplified}\\4y &= & 276 & \text{Added 3y to each side}\\y & = & \mathbf{69} & \text{Divided each side by 4}\\\end{array}\\m \angle Y = \large \boxed{\mathbf{69^{\circ}}}$

3 0

3 years ago

The value of (2 x 10^4) + (9 x 10^4) - (3 x 10^3) in scientific notation?

Tcecarenko [31]

Answer:

1.07 X 10^5

Step-by-step explanation:

8 0

4 years ago

Where to place the lines

vazorg [7]

Use photo math it works well

7 0

3 years ago

If ab = 9 and a² + b² = 81, then (a+b)² = ?

Andre45 [30]

Answer:

Step-by-step explanation:

Through some clever algebra, we can combine our first two equations using the fact that

$(a+b)^2=a^2+2ab+b^2$

We have the a² and the b² in the equation $a^2+b^2=81$ , and we <em>almost </em>have a 2ab in the equation $ab=9$ . To get that 2ab, we can simply double both sides of the first equation to get $2ab=18$ . From there, we'll add the first two equations together, giving us the summed equation