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Pavel [41]
3 years ago
12

-2=-4(-7y+1)+5(8+2y)

Mathematics
1 answer:
Eduardwww [97]3 years ago
3 0

Step 1: Disturbutive Property

Step 2: Combine Like Terms

Step 3: Get Like Terms On The Same Side

Step 4: Simplify If Need

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If f(x) = 2x2 - 5 and g(x) = x2 - 4x - 8, find (f - g)(x).
oksano4ka [1.4K]

Answer:

B. ) x² + 4x + 3

Step-by-step explanation:

(f-g)(x) = f(x) - g(x) =

(2x²-5) - (x²-4x-8) =

2x² - x² + 4x + 8 - 5 =

x² + 4x + 3

8 0
3 years ago
Consider the following sequence
wlad13 [49]

Answer:

a₇ =  2.375

Step-by-step explanation:

There is a common ratio r between consecutive terms, that is

r = \frac{-76}{152} = \frac{38}{-76} = \frac{-19}{38} = - \frac{1}{2}

This indicates the sequence is geometric with nth term

a_{n} = a₁ (r)^{n-1}

where a₁ is the first term and r the common ratio

Here a₁ = 152 and r = - \frac{1}{2} , then

a_{n} = 152 (-\frac{1}{2}) ^{n-1} , so

a₇ = 152 (-\frac{1}{2}) ^{6} = 152 × \frac{1}{64} = 2.375

3 0
3 years ago
Read 2 more answers
- x² - 4x + 12 = 0 <br>how do u solve by completing the square​
MrRa [10]

Answer:

0

Step-by-step explanation:

Simplifying

x2 + -4x + -12 = 0

Reorder the terms:

-12 + -4x + x2 = 0

Solving

-12 + -4x + x2 = 0

Solving for variable 'x'.

Factor a trinomial.

(-2 + -1x)(6 + -1x) = 0

8 0
3 years ago
What is the mean absolute deviation of 25.5, 26, 26.5, 25, 26, 24, 23, 27, 25, 26.5
lawyer [7]

Answer:

The mean standard deviation of this data set is 1.2

Step-by-step explanation:

3 0
3 years ago
Which relation is a function?
uysha [10]
B, because nothing repeats.
4 0
3 years ago
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