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IRISSAK [1]
3 years ago
12

Please help I’ll give points + brainalist

Mathematics
1 answer:
mixer [17]3 years ago
5 0

Answer:

D

Step-by-step explanation:

median because it indicates the expected range of gas prices

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Prove that (4n+1)^2(4n-1)^2 is a multiple of 8 for all integers of n.<br><br> thanks.
azamat

Answer: i think  (4n+1)^2(4n-1)^2 isnt a multiple of 8 for all integers of n because:

(4n + 1)²(4n - 1)²

= [(4n + 1)(4n - 1)]²

= (16n² - 1)²

= 16².n².n² - 2.16.n² + 1

= 8n²(32n² - 4) + 1

can see 8n²(32n² - 4) is a multiple of 8 but 1 isnt a multiple of 8

=> (4n + 1)²(4n - 1)² isnt a multiple of 8 for all integers of n.

Step-by-step explanation:

6 0
3 years ago
janie served 4 same zise pizzas at the class party. explain how to find how many slices of pizza janie served if the angle for e
guapka [62]
If each slice turns a right angle that means it turns 90* so you can only have two turns per pizza which gives 4 slices (90+90+90+90=360 - this is how many degrees in a circle) so per pizza 4 slices. For four pizzas that is 4x4 which is 16 so 16slices
8 0
3 years ago
Which equation is a solution to (x-3)(x+9)=27?
Shtirlitz [24]

Answer:

x = ± 3\sqrt{7} - 3

Explanation:

I'm assuming you want the solutions to that equation, so here goes! (If not, please comment.)

(x-3)(x+9)=27

Let's FOIL this all out and expand. (Remember: First, Outer, Inner, Last.)

x^2 +   9x    -    3x    -  27

(first+ inner + outer + last)

x^2 + 9x - 3x - 27 = 27

Combine like terms, and add 27 to both sides.

x^2 + 6x - 27 + 27 = 27 + 27

x^2 + 6x = 54

Let's complete the square, because factoring doesn't work, and because it's good practice.

x^2 + 6x + ___ = 54 + ____

In the blank we will put b/2 ^2 = 6/2 ^2 = 3^2 = 9 to complete the square.

x^2 + 6x + 9 = 54 + 9

Now we've got a perfect square factor:

(x + 3)^2 = 63

sqrt(x+3)^2 = \sqrt{63}

x + 3 = ± 3\sqrt{7}

x = ± 3\sqrt{7} - 3

7 0
3 years ago
Using complete sentences, explain the key features of the graph of the tangent function.
Temka [501]

Answer:

We are given the tangent function f(x)=\tan x.

Firstly we know that, \tan x=\frac{\sin x}{\cos x}, where \sin x is the sine function and \cos x is the cosine function.

Now, tangent function will be zero when its numerator is zero.

i.e. \tan x=0 when \sin x=0.

i.e. \tan x=0 when x=n \pi, where n is the set of integers.

So, tangent function crosses x-axis at n \pi, n is the set of integers.

Further, tangent function will be undefined when its denominator is zero.

i.e. \tan x=0 when \cos x=0.

i.e. \tan x=0 when x=(2n-1) \frac{\pi}{2}, where n is the set of integers.

Moreover, a zero in the denominator gives vertical asymptotes.

So, tangent function will have vertical asymptotes at (2n-1) \frac{\pi}{2}, n is the set of integers.

Therefore, these key features gives us the graph of a tangent function as shown below.

8 0
3 years ago
Read 2 more answers
A closet contains 5 pairs of pants 7 shirts and 3 pairs of shoes how many leaves on a tree diagram would represent all possible
Anna35 [415]
You just need to multiply 5 x 7 x 3 = 105 combination of outfits
6 0
3 years ago
Read 2 more answers
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