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yawa3891 [41]
3 years ago
6

Could someone with number 2 a

Mathematics
1 answer:
Alona [7]3 years ago
4 0

The sum of the interior angles of a polygon with n sides is

180(n-2)

Since a pentagon has 5 sides, the sum of its interior angles is

180(5-2) = 180 \cdot 3 = 540

Since it is a regular pentagon, all sides and angles are the same, so one single angle measures

\dfrac{540}{5} = 108 degrees.

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Shannon says,"My apartment is a prime number." Which could be Shannon's apartment number? A 115 B 273 C 317 D414
g100num [7]
The answer is C. Since 414 is an even number, it is divisible by 2. Since 115 ends in 5, it is divisible by 5. And 273 is divisible by 3 (if you add all the digits and that number is divisible by 3, so it the originals. 2+7+3=12 12/3=4)
3 0
3 years ago
Read 2 more answers
(x - 2)(-5x2 + x) = (x)(-5x2)+(*)(x) + (-2)(-5x2)+(-2)(x) is an example of:
IgorLugansk [536]

Answer:

x=0 or x=1

Step-by-step explanation:

(x−2)(−5x2+x)=x(−5x2)+x−2(−5x2)−2x

−5x3+11x2−2x=−5x3+10x2−x

Step 1: Add 5x^3 to both sides.

−5x3+11x2−2x+5x3=−5x3+10x2−x+5x3

11x2−2x=10x2−x

Step 2: Subtract 10x^2-x from both sides.

11x2−2x−(10x2−x)=10x2−x−(10x2−x)

x2−x=0

Step 3: Factor left side of equation.

x(x−1)=0

Step 4: Set factors equal to 0.

x=0 or x−1=0

x=0 or x=1

3 0
3 years ago
If the exchange rate is €1.20 to £1, how many pounds sterling would you get for €180?
Len [333]

Answer:

150 pounds

Step-by-step explanation:

1.20 euros = 1 pound

180 euros =  x pounds

Set up the proportion

1.20 Euros/1 pound = 180 Euros / x pound    Cross multiply

1.20*x = 1 * 180                                                 Combine

1.20 x = 180                                                      Divide by 1.2

x = 180 / 1.20

x = 150 pounds.

As a bonus, you might want to try and guess which is the stronger currency.

4 0
3 years ago
when she drives to work,Louise travels 10 minutes in about 15 minutes.kareem travels 23 miles in about 30 minutes.who has a fast
Setler [38]
Kareem does because she goes faster                                                                                           

6 0
2 years ago
Solve 9/10=z/8 . Round to the nearest tenth.
kompoz [17]
\boxed {Question}
\frac{9}{10} =  \frac{z}{8}

\boxed {Cross \  multiply}
10z = 8 \times 9

\boxed {Evaluate}
10z = 72
z = 72 \div 10
z = 7.2

\Longrightarrow \bf \ Answer \ : \ z = 7.2

4 0
3 years ago
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