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3 years ago

I can't figure out what 2x/x equals.

2 answers:

4 0

2x/x will equal 2.

x/x is in a ratio of one to one
If, for instance, x is equal to 1235324...
2(1235324)/1235324)
2470648/1235324
2

lys-0071 [83]3 years ago

3 0

I hope this helps you

2x/x

2

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Let the area of a rectangle in square metres is x^2+13x+42 how much longer is the length than the width of the rectangle

worty [1.4K]

Answer:

Step-by-step explanation:

Area of rectangle

So we have to factorise the expression

x²+13x+42

x²+6x+7x+42

x(x+6)+7(x+6)

(x+7)(x+6)

x+7-(x+6)

x+7-x-6

4 0

3 years ago

Weekly demand for a particular item averages 30 units, with a standard deviation of 4. This item is managed with a fixed-order-i

bezimeni [28]

Answer: 93 units should be ordered.

Step-by-step explanation:

Since we have given that

Standard deviation = 4

Average = 30 units

Number of weeks in order interval = 3

Desired service level = 97.5%

Number of units on hand = n = 43

So, the expected value would be

$E[x]=30\times (3+1)+1.96\times 4\sqrt{3+1}-43\\\\E[x]=30\times 4+1.96\times 4\times 2-43\\\\E[x]=120+15.68-43\\\\E[x]=92.68\approx 93$

Hence, 93 units should be ordered.

5 0

4 years ago

The steps to derive the quadratic formula are shown below:

insens350 [35]

Answer:

$x^{2} +\frac{b}{a} x+(\frac{b}{2 a} )^{2} = \frac{-c}{a} + (\frac{b}{2 a}) ^{2}$

Step-by-step explanation:

Step(i):-

Given quadratic equation ax² + bx + c = 0

step(ii):-

ax² + bx = -c

Step(iii):-

Dividing 'a' on both sides , we get

$\frac{ax^{2} +bx }{a} = \frac{-c}{a}$

$x^{2} + \frac{bx}{a} = \frac{-c}{a}$

Step(iv):-

Adding $(\frac{b}{2 a} )^{2}$ on both sides , we get

$x^{2} +\frac{b}{a} x+(\frac{b}{2 a} )^{2} = \frac{-c}{a} + (\frac{b}{2 a}) ^{2}$

8 0

4 years ago

Please answer i wanna get this over with h ^-2 / h ^4

Svetllana [295]

Answer:

= h^-6

Step-by-step explanation:

When dividing powers you subtract them (indices rules)

--> -2 - 4 = -6

Hope this helps, please mark as brainliest

5 0

3 years ago

Select all the equations that represent functions where the range decreases as the domain increases.

taurus [48]

A, C, and E.
you can check them by putting into y=mx+b form. if m is negative then as domain increases range decreases.

3 0

3 years ago