3 years ago

The sum of 7, -8 and 2 is less than zero. true or false

Mathematics

1 answer:

Usimov [2.4K]3 years ago

8 0

False ssssssssssssssssssssssssssssssssssssssssssssss

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iren2701 [21]

The answer is 2:3 because it is 12:18 simplified.

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2 years ago

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Mkey [24]

9514 1404 393

Answer:

4mn/(3m+12)

Step-by-step explanation:

It is often helpful to factor expressions so that common factors can cancel.

$\dfrac{8n^2}{m^2-16}\times\dfrac{m^2-4m}{6n}=\dfrac{8mn^2(m-4)}{6n(m-4)(m+4)}=\dfrac{4mn}{3(m+4)}\\\\=\boxed{\dfrac{4mn}{3m+12}}$

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2 years ago

Is -4/-5 positive or negative

Allushta [10]

Answer:

Positive

Step-by-step explanation:

A negative divided by a negative can cancel out to make a positive. So, $\frac{-4}{-5} = \frac{4}{5}$ .

I hope this helps!

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3 years ago

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if the diameter of the concentric circles as shown in the given figure are in the ratio 1:2:3 then find the ratio of the areas o

Monica [59]

Answer:

1 : 4 : 9

Step-by-step explanation:

Given the ratio of diameters = a : b , then

ratio of areas = a² : b²

Here ratio of diameters = 1 : 2 : 3 , so

ratio of areas = 1² : 2² : 3² = 1 : 4 : 9

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3 years ago

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Klio2033 [76]

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2 years ago