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2 years ago

Can y’all help me on question six?!

Mathematics

1 answer:

Anna [14]2 years ago

3 0

Answer:

c 2:1

Step-by-step explanation:

8/4=2

4/4=1

8:4 simplified is 2:1

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Solve the equation y=2x^2-x-6 using the quadratic formula show the steps to solving

saul85 [17]

Answer:

$x1 = 2 \\ x2 = - \frac{3}{2}$

Step-by-step explanation:

$x = \frac{ - b + - \sqrt{ {b}^{2} - 4ac } }{2a} \\ x = \frac{1 + - \sqrt{ {( - 1)}^{2} - 4(2)( - 6) } }{2(2)} \\ x = \frac{1 + - \sqrt{1 + 48} }{4} \\ x = \frac{1 + - \sqrt{49} }{4} \\ x = \frac{1 + - 7}{4} \\ \\ x1 = \frac{1 + 7}{4} = \frac{8}{4} = 2 \\ x2 = \frac{1 - 7}{4} = - \frac{6 }{4} = - \frac{3}{2}$

7 0

3 years ago

If g(x)=3f(x)-8 and f(x)=10-x to the second, then what if the value of g(-2)

babymother [125]

Answer:

Step-by-step explanation:

g(x)=3(10-x)^2-8

=3(12)^2-8

=144*3-8

=432-8

=424

7 0

2 years ago

What are the domain, range, and midline of the function f(x)=1/2cos(1/4x)-1?

erma4kov [3.2K]

Your function is: $f(x)=\frac{1}{2}\cos \Big( \frac{1}{4x}\Big) -1$

Domain: $(-\infty, +\infty)-\{ 0 \}$ or $R-\{ 0 \}$

Range: $[-\frac{3}{2}, -\frac{1}{2}]$

Midline: $y=-1$

8 0

2 years ago

Read 2 more answers

What are Rational numbers

BlackZzzverrR [31]

Answer:

Rational Number. Any number that can be written as one integer over another. Includes positive numbers, negative numbers, zero, whole numbers, integers, fractions, terminating decimals, and repeating decimals. Ex: 1/4, 5, -9, 1.8, 1.33333.

Step-by-step explanation:

4 0

2 years ago

Please Help need help

velikii [3]

You would round up 58 to 60 and round down for 93 to 90 and round up to 1.5 so the answer is D.

5 0

2 years ago