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Marta_Voda [28]
3 years ago
5

Please help with this question its in the picture

Mathematics
1 answer:
svlad2 [7]3 years ago
3 0

Answer:

the answer is A

Step-by-step explanation:

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Escreva na forma ax2+bx+c=0 as seguintes equações do 2° grau
7nadin3 [17]
The answer is 2x(5+3)
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3 years ago
Which pair of numbers has 2 as its greatest common factor
weeeeeb [17]

Answer:

6 and 12 have the greatest common factor of 2

5 0
2 years ago
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X-y=6<br> 2x-3z=16<br> 2y+z=4<br><br> Solve the systems of equations.
Neko [114]

Answer:

Given System of equation:

x-y =6                                  .....,[1]

2x-3z = 16                           ......[2]  

2y+z = 4                              .......[3]

Rewrite the equation [1] as

y = x - 6                                .......[4]

Substitute the value of [4] in [3], we get

2(x-6)+z = 4

Using distributive property on LHS ( i.e,  a \cdot (b+c) =a \cdot b+ b \cdot c )

then, we have

2x - 12 +z =4

Add 12 to both sides of an equation:

2x-12+z+12=4+12

Simplify:

2x +z = 16                         .......[5]

On substituting equation [2] in [5] we get;

2x+z=2x -3z

or

z = -3z

Add 3z both sides of an equation:

z+3z = -3z+3z

4z = 0

Simplify:

z = 0

Substitute the value of z = 0 in [2] to solve for x;

2x-3(0) = 16

or

2x = 16

Divide by 2 both sides of an equation:

\frac{2x}{2} =\frac{16}{2}

Simplify:

x= 8

Substitute the value of x =8 in equation [4] to solve for y;

y = 8-6 = 2

or

y = 2

Therefore, the solution for the given system of equation is;  x = 8 , y = 2 and z =0

5 0
3 years ago
Write an exponential function in the form y=ab^xy=ab x that goes through points (0,8) and (2,288)
timofeeve [1]

Answer:

y = 8•6^x

Step-by-step explanation:

Here, we want to write an exponential equation

To fully write this, we need the values of a and b

From the first coordinates given;

8 = a•b^0

a = 8 since b^0 = 1

Furthermore;

288 = 8•b*2

b^2 = 36

b = √36

b = 6

So we have ;

y = 8•6^x

4 0
3 years ago
4/7 (21/8x + 1/2) = -2 (1/7 - 5/28) write your solution in decimal form.
pychu [463]
Hope this helps you with the problem

3 0
3 years ago
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