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olga nikolaevna [1]
3 years ago
12

This is prob really easy

Mathematics
2 answers:
Mrac [35]3 years ago
5 0

Answer:

3-(-2)=3+2 {The negative signs will become +)

and 3+2=5

so option 4 is correct

Zanzabum3 years ago
3 0

Answer:5

Step-by-step explanation:

whenever a negative is multiplied by a negative, it becomes a positive.

so: 3-(-2)—>3+2=5

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Vadim26 [7]

Answer:

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Step-by-step explanation:

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8 0
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Calculate the volume of each pyramid to determine
kipiarov [429]

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7 0
3 years ago
Solve the eqauation 76a^3+19a^2+16a=-4
Crazy boy [7]

Answer:

The solutions are a₁ = -4/19 i, a₂ = 4/19 i and a₃ = -1/4

Step-by-step explanation:

Given the equation 76a³+19a²+16a=-4, for us to solve the equation, we need to find all the factors of the polynomial function. Since the highest degree of the polynomial is 3, the polynomial will have 3 roots.

The equation can also be written as (76a³+19a²)+(16a+4) = 0

On factorizing out the common terms from each parenthesis, we will have;

19a²(4a+1)+4(4a+1) = 0

(19a²+4)(4a+1) = 0

19a²+4 = 0 and 4a+1 = 0

From the first equation;

19a²+4 = 0

19a² = -4

a² = -4/19

a = ±√-4/19

a₁ = -4/19 i, a₂ = 4/19 i (√-1 = i)

From the second equation 4a+1 = 0

4a = -1

a₃ = -1/4

6 0
3 years ago
Helppppppp me please if your good at math let me know willl be greatful
ra1l [238]
The system of equations is
y = 3x - 4
y =(2/3)x + 1

The solution satisfies 
3x - 4 = (2/3)x + 1

Answer:
From the graph, obtain
x lies between 2 and 3.
y lies between 2  and 3.


6 0
3 years ago
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