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bearhunter [10]
2 years ago
7

What is the exact value of tan(−π4)? Enter your answer in the box.

Mathematics
1 answer:
kondor19780726 [428]2 years ago
4 0

Answer:

What is the exact value of tan(−π4)? is 20

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This morning, the temperature rose 2 degrees in 2/3 of an hour at what rate did the temperature rise per hour
insens350 [35]

Answer:

3 degrees per hour

Step-by-step explanation:

2 degrees in 2/3 of an hour

2/2 = 1

1 degree in 1/3 of an hour

1*3 = 3

3 degrees in 1 hour

5 0
3 years ago
Evelyn has 80 pens in a drawer.
Elenna [48]

Answer:

there is a 15/80 chance  she will pick a black pen

there is also a 65/80 chance she will pick a blue pen

Step-by-step explanation:

5 0
3 years ago
Nth term sequences, please may I get some help. 15 p.
Dovator [93]

Answer:

(n+2)^2+6

Step-by-step explanation:

Pattern 1 consists of

3+3\times 3+3 small squares (here n = 1 and 3\times 3=(1+2)\times (1+2)).

Pattern 2 consists of

3+4\times 4+3 small squares (here n = 2 and 4\times 4=(2+2)\times (2+2)).

Pattern 3 consists of

3+5\times 5+3 small squares (here n = 3 and 5\times 5=(3+2)\times (3+2)).

Thus, pattern n consists of

3+(n+2)\times (n+2)+3=6+(n+2)^2 small squares.

3 0
3 years ago
The square of a positive number is equal to its triple added to 28. What is this number?​
sashaice [31]

hi brainly user! ૮₍ ˃ ⤙ ˂ ₎ა

⊱┈────────────────────────┈⊰

\huge{ \rm{Answer:}}

The roots of the equation are 7 and -4, because 7 - 4 = 3 and 7. - 4 = -28

Step-by-step explanation:

The positive number is equal to 7.

Assuming that the number is equal to "x" we have:

\begin{gathered}x^2 = 3x + 28\\\\x^2 - 3x - 28 = 0\\\\a = 1\\\\b = -3\\\\c = -28\\\end{gathered}

By the sum and product method, we have:

\begin{gathered}S = -b / a\\\\S = -(-3) / 1\\\\S = 3\\\\\end{gathered}

\begin{gathered}P= c / a\\\\P = 28 / 1\\\\P = 28\\\\\end{gathered}

4 0
2 years ago
CAN SOMEBODY HELP ME??? giving brainliest!!! AREA!
Nikitich [7]

Answer:

Second option. "Sue wants to cover the lid of a box with paper. How much paper should she buy?"

Explanation:

The first option relies upon volume.

The last two options relies on side lengths.

The second option is relies on area because you have to calculate the area of the lid to know how much paper can be used to cover it.

8 0
3 years ago
Read 2 more answers
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