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user100 [1]
2 years ago
5

PLEASE HELP!!!!! I WILL MARK BRAINLIEST AND RATE 5 STARS!!

Mathematics
1 answer:
dedylja [7]2 years ago
6 0

Answer:

37°

Step-by-step explanation:

sum of exterior angles of a polygon is 360°

so, 41+(x+13)+(2x-14)+(3x-22)+(x-3)+38+(x+11)=360

8x+64=360, subtract 64 from both sides

8x=296

x=37°

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Simon says "five time my age 4 years ago is the same as three time my age in 2 years" how old is simon
omeli [17]

Simon is 13 years old

Let x be Simon's age

Thus 4 years ago his age was (x - 4) and 2 years from now his age is (x + 2)

Hence 5(x - 4) = 3(x + 2)

distributing both sides gives

5x-20 = 3x + 6

subtract 3x from both sides of the equation

5x - 3x - 20 = 6

2x - 20 = 6

add 20 to both sides

2x = 6 + 20 = 26

divide both sides by 2

x = \frac{26}{2} = 13

Simon is 13 years old


7 0
3 years ago
What is the coefficient in the expression shown?
ikadub [295]

Answer:

In mathematics, a coefficient is a multiplicative factor in some term of a polynomial, a series, or any expression; it is usually a number, but may be any expression.  

Step-by-step explanation:

3 0
3 years ago
What is 8.05 × 10-5 in standard notation? 0.0000805 0.00000805 805,000 8,050,000
Tanya [424]

Answer:

0.0000805

Step-by-step explanation:

8.05*10^{-5}=\frac{8.05}{10^{5}}\\\\=\frac{8.05}{100,000}\\

= 0.0000805

4 0
3 years ago
Read 2 more answers
Factor 2x2 + 11x + 15 using algebra tiles and symbolically
fomenos
2x^{2}+11x+15=2x^{2}+6x+5x+15=2x(x+3)+5(x+3)= \\  \\ (2x+5)(x+3)
7 0
3 years ago
A morning truck can carry no more than 1480 pounds of cargo. Brian loaded 640 pounds into the truck already. He is loading boxes
guajiro [1.7K]

Given :

A morning truck can carry no more than 1480 pounds of cargo.

Brian loaded 640 pounds into the truck already.

He is loading boxes that weigh 70 pounds.

To Find :

How many boxes can he out into the truck.

Solution :

Weight left for carrying cargo, W = 4180 - 640 pounds

W = 3540 pounds

Number of boxes of 70 pounds cargo he can carry in truck is :

n =\dfrac{3540}{70}\\\\n = 50.57 ≈ 50 .

Therefore, number of box they can carry is 50.

Hence, this is the required solution.

8 0
3 years ago
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