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o-na [289]
3 years ago
12

Please help me with this I need to pass my test

Mathematics
1 answer:
Ronch [10]3 years ago
5 0

Answer: 7

Step-by-step explanation: 26/2 = 13 _+6=13? 7

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Solve the equation 0.25 (8z - 4) = z + 8 - 2z
Andrew [12]
Distribute
2z-1=z+8-2z
add like terms
2z-1=-z+8
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3z-1=8
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4 0
3 years ago
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Find the minimum value of the function f(x) = x2 + 5x – 6
Klio2033 [76]

So the easiest method to find the vertex (the minimum in this case) to do this is to find the axis of symmetry, then plug it into the function.

Firstly, the equation to find the axis of symmetry is x=\frac{-b}{2a} , with b = x coefficient and a = x^2 coefficient. The equation equation can be solved as such:

x=\frac{-5}{2*1}\\\\x=\frac{-5}{2}\\\\x=-2.5

Since the vertex falls on the axis of symmetry, we know that the x-coordinate of the vertex is -2.5. Now to solve for the y-coordinate, plug in x with -2.5 and solve as such:

f(-2.5)=(-2.5)^2+5*(-2.5)-6\\ f(-2.5)=6.25+(-12.5)-6\\ f(-2.5)=-12.25

Now putting it all together, our minimum value (vertex) is (-2.5,-12.25).

6 0
3 years ago
Please divide and simplify
Damm [24]

Answer:

-2y^{3

Step-by-step explanation:

<h2>{\frac{18x^{3} y^{5} }{9x^{3} y^{2} } \\</h2><h2>Divide the numbers=</h2><h2>\frac{2x^{3} y^{5} }{x^{3} y^{2} }</h2><h2>Apply exponent rule=</h2><h2>2y^{5-2}</h2><h2>Subtract numbers=</h2><h2>-2y^{3</h2><h2 />
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2 years ago
Mr. Drew wants to build a square sandbox for his children. The area of the sandbox will be 104 ft2. To the nearest​ tenth, what
Gelneren [198K]

Answer:

26 ft.2

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Divide 104 by 4 because the sandbox is a square. With a square all sides are equal length, so you just divide by the amount of sides.

Hope this helps. :)

4 0
3 years ago
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