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2 years ago

Assuming that A and B represent any two sets, identify the statement as either always true or not always true.

Mathematics

1 answer:

Fudgin [204]2 years ago

8 0

Step-by-step explanation:

True...it was Answer but not in always

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A cube-shaped item needs to be painted. The item’s edge length is 2 cm. What is the total surface area that will be painted?

Vinil7 [7]

Each face of the cube has an area of 4cm^2 (2*2 = 4). A cube has six faces so the total surface area is 24cm^2 (4cm^2*6).

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3 years ago

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Find the missing term.

igor_vitrenko [27]

Equations are used to relate equal expressions.

The missing term is: $\mathbf{ m -1}$

The equation is given as:

$\mathbf{\frac{m - n}{m^2 - n^2} + \frac{?}{(m -1)(m -n)} = \frac{2m}{m^2 - n^2}}$

Express $\mathbf{m^2 - n^2\ as\ (m - n)(m + n)}$

So, we have:

$\mathbf{\frac{m - n}{(m - n)(m + n)} + \frac{?}{(m -1)(m -n)} = \frac{2m}{(m - n)(m + n)}}$

Multiply through by $\mathbf{m - n}$

$\mathbf{\frac{m - n}{m + n} + \frac{?}{m -1} = \frac{2m}{m + n}}$

Collect like terms

$\mathbf{ \frac{?}{m -1} = \frac{2m}{m + n} - \frac{m - n}{m + n}}$

Take LCM

$\mathbf{ \frac{?}{m -1} = \frac{2m - m + n}{m + n} }$

$\mathbf{ \frac{?}{m -1} = \frac{m + n}{m + n} }$

Divide $\mathbf{ \frac{m + n}{m + n} }$

$\mathbf{ \frac{?}{m -1} = 1}$

Cross multiply

$\mathbf{ ? =(m -1)\times 1}$

$\mathbf{ ? =m -1}$

Hence, the missing term is: $\mathbf{ m -1}$

Read more about equations at:

brainly.com/question/15668451

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2 years ago

What is 77,543 rounded to the nearest ten?

deff fn [24]

Answer:

77,540

Step-by-step explanation:

Since 3 is less than 4, we round down a ten. This comes out to 77,540.

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1/2×4/5 can be written

Leno4ka [110]

I think it will be because if you multiply 1/2 times 4/5 it will be 0.4

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2 years ago

Solve pls brainliest

BigorU [14]

Have a great day!!!!

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2 years ago

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Assuming that A and B represent any two​ sets, identify the statement as either always true or not always true.

Assuming that A and B represent any two sets, identify the statement as either always true or not always true.