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almond37 [142]
3 years ago
7

What is the most hard subject in math

Mathematics
1 answer:
lesya692 [45]3 years ago
6 0
For me personally pre-calculus
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A line passes through the points (0, 2) and (1, 6). What is its equation in slope-intercept form?
olchik [2.2K]

Answer:

y=4x+2

Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(6-2)/(1-0)

m=4/1

m=4

y-y1=m(x-x1)

y-2=4(x-0)

y-2=4x

y=4x+2

4 0
3 years ago
What are the first three terms of the sequence modeled by the recursive function an=1/2an-1 when a1=1?
loris [4]

Answer:

Option A is correct that is 1,\frac{1}{2},\frac{1}{4}

Step-by-step explanation:

We have been given a formula a_n=\frac{1}{2}\cdot a_n-1

a_1=1

We will put values of n in a_n=\frac{1}{2}\cdot a_n-1

when n=2 we get

a_2=\frac{1}{2}\cdot a_2-1

\Rightarrow a_2=\frac{1}{2}\cdot a_1

\Rightarrow a_2=\frac{1}{2}\cdot 1

\Rightarrow a_2=\frac{1}{2}

when n=3

a_3=\frac{1}{2}\cdot a_2

\Rightarrow a_3=\frac{1}{2}\cdot \frac{1}{2}

\Rightarrow a_3=\frac{1}{4}

Therefore, Option A is correct that is 1,\frac{1}{2},\frac{1}{4}

6 0
3 years ago
Read 2 more answers
Convert: 2 meters to centimeters
Mashcka [7]
2 meters = 200 centimeters
7 0
3 years ago
Read 2 more answers
Can you open the lock? 682 - one digit is correct and in the correct place. 694- one digit is correct but in the wrong place. 25
eduard
The code for the lock is 362
4 0
3 years ago
Use the remainder theorem to show that (x+1) is a factor of f(x)=2x^3-7x^2-5x+4
Nitella [24]

well, the remainder theorem says that if the polynomial f(x) has a factor of (x-a), then if we just plug in the "a" in f(x) it'll gives a remainder, assuming (x-a) is indeed a factor, then that remainder must be 0, so if f(a) = 0 then indeed (x-a) is a factor of f(x).  After all that mumble jumble, let's proceed, we have (x+1), that means [ x - (-1) ], so if we plug in -1 in f(x), we should get 0, or f(-1) = 0, let's see if that's true.

\begin{array}{llrll} f(-1)&=&2(-1)^3-7(-1)^2-5(-1)+4\\\\ &&2(-1)-7(1)-5(-1)+4\\\\ &&-2-7+5+4\\\\ &&-9+9\\ &&0&~~\checkmark \end{array}

3 0
2 years ago
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