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Sladkaya [172]
3 years ago
15

What is the value of x

Mathematics
1 answer:
Whitepunk [10]3 years ago
8 0

Answer:

x = 98

Step-by-step explanation:

The sum of the interior angles in a polygon is

sum = 180° (n - 2) ← n is the number of sides

here n = 7, thus

sum = 180° × 5 = 900°

Sum the interior angles and equate to 900

x + 146 + 122 + 142 + 140 + 110 + 142 = 900, that is

x + 802 = 900 ( subtract 802 from both sides )

x = 98

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zysi [14]

Answer:

12 + -6i

a=12

b=-6

Step-by-step explanation:

( -4 + 3i ) ( -3 - 2i )

-4 * -3 = 12

3i * -2i= -6i

12 + -6i

6 0
2 years ago
(a-12)x=a+8 if this equation has no solution and a is a constant. what is the value of a
lbvjy [14]

Answer:

a=12

Step-by-step explanation:

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x = (a+8)/(a-12)

If the numerator is 0 you will be dividing by zero, which invalidates the solution. This will happen for a=12.

6 0
3 years ago
The cost of a company's winter banquet is $65 plus $15 for each person attending. Determine the equation that models this proble
Fofino [41]

Answer:

Step-by-step explanation:

65+15x

65+15(44)

65+660

725 is your answer

so 65+15x;$725

4 0
3 years ago
Read 2 more answers
A large pizza at Little Italy costs $7.00 plus $0.80 for each topping. The cost of a large cheese pizza at Spinato's is $7.60 pl
laiz [17]
At the start you will start with $7 and $7.60 there is a simple way and a more complex process. The simple way is using the formula of y=mx+b so y=.8x+7 and the other way is just too add .8 to 7 and .7 to 7.6 and keep doing that till you get the answer. The answer is 7, seven topping have to be added to make them the same price.
6 0
3 years ago
Can anyone tell me what point I plot these two at pls
zhuklara [117]

Answer:

x^{2} +y^{2}=25

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Step-by-step explanation:

(see images below)

Hope this helped!

~<u>rere</u>

4 0
2 years ago
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