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Anit [1.1K]
3 years ago
11

HELP!! i will vote brainlest answer

Mathematics
1 answer:
Schach [20]3 years ago
8 0

Answer:

D. 18

Step-by-step explanation:

The polygon given is a 5-sided polygon (pentagon). Sum of all interior angles of a 5-sided polygon = (n - 2) * 180°

= (5 - 2) * 180 = 540°

Therefore:

95° + (7x - 4)° + (3x + 23)° + (9x - 6)° + 90° = 540°

Solve for x

95 + 7x - 4 + 3x + 23 + 9x - 6 + 90 = 540

Add like terms

198 + 19x = 540

19x = 540 - 198

19x = 342

x = 342/19

x = 18

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3 years ago
The simple interest on a loan of $6000 for 3 years was $900. What was the rate of interest per annum​
Thepotemich [5.8K]

Answer:

5%

Step-by-step explanation:

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7 0
3 years ago
What is (1.2 x 10^-2) x (3 x 10^5)
liraira [26]

Answer:

B. 3.6 x 10^3

Step-by-step explanation:

(1.2 x 10^-2) x (3 x 10^5)

When we multiply terms with powers , we multiply the factors out front and add the exponents

a * 10^b  * c* 10^d = ac * 10^(b+d)

(1.2 x 10^-2) x (3 x 10^5)   = (1.2* 3) * 10^(-2+5)

                                         = 3.6 * 10 ^3

6 0
3 years ago
The art club spent $45 on supplies for valentines to sell during lunches. They made 60 valentines. What selling price for a vale
Agata [3.3K]
I cannot help you sorry :/
4 0
3 years ago
How do you add 1/15 + 1/6?
Brut [27]
you are going to need to find the common name of common denominator 4/1 over 4 plus 1 over 6 equal to look for the commentator of 15 and 6 what goes into 15 and 6 is going to 15 and 6 the common denominator will be actually 12 to 6 only go into 15 2 times cuz I can't get close to 15 than q2 so you have to common denominator now this is going to be both 1/12 + 1/12 is going to be either 2/24 or 2/12
6 0
3 years ago
Read 2 more answers
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