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4 years ago

Plz help me i dotn know this

Mathematics

2 answers:

Snowcat [4.5K]4 years ago

8 0

Answer:

my to that is why im search for the answer

miv72 [106K]4 years ago

3 0

Answer:

it's D. I think 105 cubic feet

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The sum of nine consecutive integers; n=middle integer of the nine

VMariaS [17]

$(n-4)+(n-3)+(n-2)+(n-1)+n+(n+1)+(n+2)+(n+3)+(n+4)=9n$

4 0

3 years ago

(2 + 3i) + (3 – 4i) (3 – 5i) – (–2 – i) (2 − 4i)(1+ 3i) 2i(−1+ 3i)

grandymaker [24]

Answer:

See below ~

Step-by-step explanation:

Question 1

(2 + 3i) + (3 - 4i)
5 - i

Question 2

(3 – 5i) – (–2 – i)
3 - 5i + 2 + i
5 - 4i

Question 3

(2 − 4i)(1+ 3i)
2 - 4i + 6i - 12i²
14 + 2i

Question 4

2i(-1 + 3i)
-2i + 6i²
-6 - 2i

6 0

2 years ago

having trouble with this problem, pls help :/ I know the answer, just not how to get there. (ap calc ab, integrals)

pochemuha

Answer: D) 101

Step-by-step explanation:

By linearity, we can break it up into 2 integrals. The integral and derivative of f easily cancel out

$\int\limits^{10}_{-1} {(2x+0.5f'(x))} \, dx =\int\limits^{10}_{-1} {2x} \, dx +0.5\int\limits^{10}_{-1} {f'(x)} \, dx =x^2|^{^{10}}_{_{-1}}+0.5f(x)|^{^{10}}_{_{-1}}\\=(100-1)+0.5(f(10)-f(-1))=99+0.5(8-4))=101$

I used the table for values of f(x) at 10 and -1. Wouldn't be surprised if this was part of a series of questions about f because I really can't see how you could use the hypothesis that f is twice differentiable on R. Same for the other table values. I'm curious about how you found the answer. Was it a different way?

7 0

3 years ago

How do I solve : COT pi/4 ...?

Wewaii [24]

Cot x = cos x / sin x
cot π/4 = cot 45° = cos 45° / sin 45°
We know that sin 45° and sin 45° have the same value:
cos 45° = sin 45° = √2 / 2;
cos 45° / sin 45° = √2/2 : √2/2 = 1
Answer:
cot π/4 = 1

3 0

3 years ago

Someone please help, is due tonight, will give brainly if helped. Thank you...

Alina [70]

Answer:

1. f & c, d & e,

2. h & a, g & b

3. h & d, f & b, g & c, a & e

here ya go, i hope this is correct if i remember right

Step-by-step explanation:

3 0

3 years ago