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g100num [7]
3 years ago
6

Find the interior angle on a regular polygon with 45 sides...

Mathematics
1 answer:
PolarNik [594]3 years ago
3 0

The exterior angles sum to 360º. Let x be the measure of each exterior angle. Then

45x = 360º  ==>  x = 8º

Then each interior angle (which is supplementary to an exterior angle) has measure (180 - x)º, so they have measure 172º.

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Helpppp :( 3(x-1) = 2x+9
Bingel [31]

x equals 12 because

3x-3= 2x+9

x=12

4 0
3 years ago
Read 2 more answers
Bags of almonds cost three dollars more than bags of pecans the owner of a bakery ordered five bags of almonds and three bags of
antiseptic1488 [7]

Answer:

Let bags of pecans cost = x

Make an equation :

Bags of almonds cost = x + 3 (they said almonds cost 3 dollars more)

Total number of bags ordered: (3 bags pecans) + (5 bags of almonds)

Cost for pecans = 3x

Cost for almonds = 5(x + 3) = 5x + 15

Price of pecans + price of almonds = total cost

Solve for x:

3x + 5(x + 3) = 55 (remove brackets)

3x + 5x + 15 = 55 (add like terms)

8x + 15 = 55

8x + 15 - 15 = 55 - 15 (get rid of the 15)

8x = 40

8x/8 = 40/8

x = 5

bags pecans cost is $5

bags of almonds is $5+$3 = $8

6 0
3 years ago
Pls help
Juli2301 [7.4K]

Answer:

I believe the answer is 540* because

Step-by-step explanation:

we start with the fractions, we have 3/4 and 1/4 which makes a whole, to make it easier i added that to 329 to get 330. Then i added 330 to 210 to get 540.

4 0
3 years ago
Read 2 more answers
Malcolm buys a 5/6- pound bag of black beans and a 3/4- pound bag of pinto beans. how many pounds of beans does Malcolm buy in a
KonstantinChe [14]

Answer:

5/6 + 3/4 = 19/12

Simplified answer would be  1  7/12

Step-by-step explanation:

5 0
3 years ago
What will be the units of the square of the following <br>a - 2346<br>b - 5677​
AlladinOne [14]
<h2>Answer:</h2>

(a) 6

(b) 9

<h2>Step-by-step explanation:</h2>

The units of a whole number is the rightmost digit in the number. For example, if the number is <em>15678</em>, the units is <em>8</em> since that is the rightmost digit. Another example is <em>25795</em>. The units is <em>5.</em>

<em></em>

(a) To find the units of the square of -2346,

<em>i. First find the square of (-2346)</em>

(-2346)² = (-2346) x (-2346) = 5503716

<em>ii. Now find the rightmost digit.</em>

The rightmost digit of 5503716 is 6.

<em>Therefore, the units of the square of (-2346) is </em><em>6</em>

<em />

<em />

(b) To find the units of the square of -5677,

<em>i. First find the square of (-5677)</em>

(-5677)² = (-5677) x (-5677) = 32228329

<em>ii. Now find the rightmost digit.</em>

The rightmost digit of 32228329 is 9.

<em>Therefore, the units of the square of (-5677) is </em><em>9</em>

<em />

<em />

<em />

3 0
3 years ago
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