3 years ago

Is 12 1/2 larger than 12 2/5

Mathematics

1 answer:

vova2212 [387]3 years ago

5 0

Answer:

yes it is

Step-by-step explanation:

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Leto [7]

To me it looks like A is your best answer because it is dividing 4 by a half.

hope that helps. ;)

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3 years ago

Read 2 more answers

When x is divided by 3 the quotient is more than 7

Yuri [45]

X/3 > 7 <== ur equation
multiply both sides by 3
x > 7 * 3
x > 21 <== ur solution

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4 years ago

Diego takes more than twice as long to assemble a computer as Kenneth does. Kenneth assembles a computer in 24 minutes. If Diego

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4 years ago

If you know the rate of a water leak in gallons per hour, how can you find the number of hours it takes for 1 gallon to leak out

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3 years ago

Which statements about functions g(x) = x2 - 4x + 3 and f(x) = x2 - 4x are true? Select all that apply.

Tanya [424]

Answer:

A and B

Step-by-step explanation:

We are given that

$g(x)=x^2-4x+3$

$g(x)=(x^2-2\times x\times 2+4)-4+3=(x-2)^2-1$

Compare with it

$y=(x-h)^2+k$

Where vertex=(h,k)

We get

Vertex of g=(2,-1)

$f(x)=x^2-4x=(x^2-2\times x\times 2+4)-4=(x-2)^2-4$

Vertex of f=(2,-4)

Equation of axis of symmetry=x-coordinate of vertex

Axis of symmetry of g

x=2

Axis of symmetry of f

x=2

Differentiate w.r.t x

$g'(x)=2x-4=0$

$2x-4=0\implies 2x=4$

$x=\frac{4}{2}=2$

$f'(x)=2x-4$

$2x-4=0\implies 2x=4$

$x=\frac{4}{2}=2$

$g''(x)=2>0$

$f''(x)=2>0$

f and g have both minima at x=2

Hence, option A and B are true.

8 0

4 years ago