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4 years ago

Which of the following is a term, variable, and expression? a.21 b.ab c.5x2 d.h

2 answers:

8 0

The answer is B. A term is a group of numbers and/or variables connected by multiplication. A and b are both variables and it is an expression because there is no equal sign.

yawa3891 [41]4 years ago

4 0

B would be the answer because it is ab, sorry for wrong answer intially.

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Find the sum of the measures of the interior angles of each of the following convex polygons: a pentagon, an octagon, a dodecago

TiliK225 [7]

Answer:

$540^{\circ},\ 1080^{\circ},\ 1800^{\circ},\ 6840^{\circ},\ 9000^{\circ},\ 17640^{\circ}$

Step-by-step explanation:

The sum of the measures of the interior angles of each convex n-sided polygon is always equal to

$(n-2)\cdot 180^{\circ}.$

1. A pentagon is 5-sided polygon, then the sum of the measures of the interior angles of pentagon is

$(5-2)\cdot 180^{\circ}=540^{\circ}.$

2. An octagon is 8-sided polygon, then the sum of the measures of the interior angles of octagon is

$(8-2)\cdot 180^{\circ}=1080^{\circ}.$

3. A dodecagon is 12-sided polygon, then the sum of the measures of the interior angles of dodecagon is

$(12-2)\cdot 180^{\circ}=1800^{\circ}.$

4. For 40-sided polygon the sum of the measures of the interior angles is

$(40-2)\cdot 180^{\circ}=6840^{\circ}.$

5. For 52-sided polygon the sum of the measures of the interior angles is

$(52-2)\cdot 180^{\circ}=9000^{\circ}.$

6. For 100-sided polygon the sum of the measures of the interior angles is

$(100-2)\cdot 180^{\circ}=17640^{\circ}.$

5 0

4 years ago

99 POINTS HELP ME HURRY

andre [41]

Answer:

sqrt(11)

Step-by-step explanation:

3^3+sqrt2^2=11

4 0

3 years ago

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If f(x)=2x-5, then f(4) is____. A. 17 B. 3 C. 4 D.5

vladimir2022 [97]

???? Can you be more specific please

3 0

3 years ago

Which of the following is equivalent to the expression below?<br> -98

igor_vitrenko [27]

Answer:

7i sqrt(2)

Step-by-step explanation:

sqrt(-98)

We know that sqrt( ab) = sqrt(a) sqrt(b)

sqrt(-1) sqrt(98)

The sqrt (-1) = i

i sqrt(98)

i sqrt(49) sqrt(2)

i*7* sqrt(2)

7i sqrt(2)

5 0

4 years ago

Which value of y means that -3y - 1 > 2y

Ymorist [56]

Answer:

-2

Step-by-step explanation:

-3(-2) - 1 is equal to 5. And 2(-2) is equal to -4.

8 0

3 years ago

Read 2 more answers