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andrew11 [14]
2 years ago
7

-7 2/3 + (-5 1/2 ) + 8 3/4

Mathematics
1 answer:
Tanzania [10]2 years ago
5 0

Answer:131/12

Step-by-step explanation:

-7 2/3 -5 1/2 +8 3/4 = 23/3 - 11/2 + 35/4 = 92/12 -66/12 +105/12 = 131/12

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vodka [1.7K]
The answer is C 1.312, -1.33, -1 3/9, -1 3/10
8 0
3 years ago
What is the equation of a line that passes through (7,8) and has a slope of -3
Komok [63]
It is helpful to first plug this in to point-slope form (note that there are other ways to do this).

Using the form y-y_1 = m(x-x_1), you get y-8=-3(x-7). You can simplify this to get y = -3x+29.

Answer choice A
3 0
3 years ago
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Simplify, and list any restrictions on the variable: (2x(x-4)/(4x^2-64)
uysha [10]

Answer:

WHEN SIMPLIFIED THE ANSWER WILL BE:

Step-by-step explanation:

(X)/(2(X+4)

8 0
3 years ago
What are the solutions of the equation x^4 + 6x^2 + 5 = 0? Use u substitution to solve.
Radda [10]

Answer:

second option

Step-by-step explanation:

Given

x^{4} + 6x² + 5 = 0

let u = x², then

u² + 6u + 5 = 0 ← in standard form

(u + 1)(u + 5) = 0 ← in factored form

Equate each factor to zero and solve for u

u + 1 = 0 ⇒ u = - 1

u + 5 = 0 ⇒ u = - 5

Change u back into terms of x, that is

x² = - 1 ( take the square root of both sides )

x = ± \sqrt{-1} = ± i ( noting that \sqrt{-1} = i ), and

x² = - 5 ( take the square root of both sides )

x = ± \sqrt{-5} = ± \sqrt{5(-1)} = ± \sqrt{5} × \sqrt{-1} = ± i\sqrt{5}

Solutions are x = ± i and x = ± i\sqrt{5}

3 0
2 years ago
What is 2 + 2, minus 4?
Archy [21]

Answer:

0

Step-by-step explanation:

2 + 2 = 4 and then 4 - 4 = 0

8 0
2 years ago
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