3 years ago

What is the meaning of 5 < x > 7 ?

Mathematics

1 answer:

Travka [436]3 years ago

6 0

The meaning of 57 is that 5 and 7 are both equal to x

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8m^3 - 28m^2 + 6m - 21. You solve by factoring by grouping!!! quick please

Leya [2.2K]

Answer:

$(2m - 7)(4 {m}^{2} + 3)$

Step-by-step explanation:

$8m^3 - 28m^2 + 6m - 21 \\ = 4 {m}^{2} (2 {m} - 7) + 3(2m - 7) \\ = (2m - 7)(4 {m}^{2} + 3)$

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3 years ago

How can 26n-7m+4(10n-6m)

Olenka [21]

Answer:

66n-31m

Step-by-step explanation:

26n-7m+4(10n-6m)

26n-7m+40n-24m

66n-31m

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2 years ago

Aregular polygon is drawn in a circle so that each vertex is on the circle and is connected to the center by a radius. Each of

katrin [286]

Answer:

The number of sides the polygon have 9

Step-by-step explanation:

Given in question as :

For The circle , the central angles measure be 40 °

Let the number of sides of polygon = n

Now . as we know

External angle = $\frac{360^{\circ} }{n}$

Or , 40° = $\frac{360^{\circ} }{n}$

Or, $\frac{360^{\circ} }{n}$ = 40°

So, n = $\frac{360^{\circ} }{40^{\circ}}$ = 9

Hence The number of sides the polygon have 9 Answer

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4 years ago

Which of the following is anot her way to write the expression 1/5 divided by 3

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Is there a picture or is that it

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3 years ago

Does anyone know this?

lakkis [162]

Answer:

obtuse scalene

Step-by-step explanation:

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3 years ago

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