3 years ago

What is the sum of n=-2 and m=5

Mathematics

1 answer:

baherus [9]3 years ago

4 0

Answer:

sum=n+m=-2+5=3 is a answer

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Harmonic mean if a number h such that (h-a)/(b-h)=a/b Prove h is H(a,b) iff satisfies either relation a. (1/a)-(1/h) = (1/h) - (

Fudgin [204]

A.

$\displaystyle\frac1a-\frac1h=\frac1h-\frac1b$
$\implies\displaystyle\frac{h-a}{ah}=\frac{b-h}{bh}$
$\implies\displaystyle\frac{h-a}{b-h}=\frac{ah}{bh}$
$\implies\displaystyle\frac{h-a}{b-h}=\frac ab$

b.

$\displaystyle h=\frac{2ab}{a+b}$
$\displaystyle\implies\frac{h-a}{b-h}=\frac{\frac{2ab}{a+b}-a}{b-\frac{2ab}{a+b}}$
$\displaystyle\implies\frac{h-a}{b-h}=\frac{2ab-a(a+b)}{b(a+b)-2ab}$
$\displaystyle\implies\frac{h-a}{b-h}=\frac{ab-a^2}{b^2-ab}$
$\displaystyle\implies\frac{h-a}{b-h}=\frac{a(b-a)}{b(b-a)}$
$\displaystyle\implies\frac{h-a}{b-h}=\frac ab$

The other direction can be proved by following the manipulations in the reverse order.

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3 years ago

Solve using long division.

yuradex [85]

I pray to hod for yourgood day

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2 years ago

Read 2 more answers

Please answer this correctly without making mistakes I want ace expert and genius people to answer this correctly without making

Montano1993 [528]

Answer:

-73

Step-by-step explanation:

if f is 73

and they made f negative, they just made 73 negative too.

i don't know if there is more in that expression

all i can see is

-f=___

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3 years ago

What is the slope of the line? A. -5 B. 1/5 C. 5 D. -1/5

jeka57 [31]

Answer:

bag.

Step-by-step explanation:

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3 years ago

Which fractions add together to make 5/8 5

Licemer1 [7]

Answer:

$\frac{10}{16}$

Step-by-step explanation:

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