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3 years ago

6

217 sqaured

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1 answer:

Kaylis [27]3 years ago

5 0

47089 is the answer buddy have a blessed day.

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One angle of atriangle measures 12 degrees. the second angle's measurements is five times the third. what is the measure of the

andrezito [222]

28 degrees. This is because the first angle is 12 degrees, the third is x degrees and the second is 5x. You know that in a triangle the angles add up to 180 degrees so 12 + 5x + x = 180. Then you get 6x =168 and x =28 degrees. (**x being the thrid angle**)

8 0

3 years ago

Explain how does knowing 1 + 7 helps you find the sum for 7 +1

astra-53 [7]

Well 1+7 =8
And 7+1 are the same digits so 1+7=7+1=8

3 0

3 years ago

Read 2 more answers

A radioactive substance decays exponentially. A scientist begins with 190 milligrams of a radioactive

worty [1.4K]

Answer: 65.1 (mg)

Step-by-step explanation:

$y=190*e^{-a*t}\\\\Calculate\ a:\\\\t=33,y=95(mg)\\\\190*e^{-a*33}=95\\\\e^{-a*33}=0.5\\\\-a*33=ln(0.5)\\\\a=\dfrac{ln(\dfrac{1}{2}) }{-33} \\\\a=0,02100... \approx{0.021}\\\\If\ t=51\ h, y=190*e^{-0.02100*51}=65.09167...\approx{65.1}$

6 0

3 years ago

What is the correct factorization of x^2 - 2x - 15?

iragen [17]

Answer:

option b

Step-by-step explanation:

${x}^{2} - 2x - 15$

${x}^{2} - 5x + 3x - 15 = 0$

$x(x - 5) + 3(x - 5) = 0$

$(x - 5)(x + 3) = 0$

x = -3 (Not possible)

x = 5

So, x = 5

8 0

2 years ago

If the area of a rectangle 24a2b and the length is 8ab2, what would the width of the rectangle, given that width is found by div

slava [35]

Area of a rectangle: A = 24 a² b
Length: L = 8 a b²
Width: W = A / L = 24 a² b / 8 a b²
Answer: W = 3 a / b

5 0

3 years ago