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3 years ago

I need help finding the angles

Mathematics

2 answers:

Lostsunrise [7]3 years ago

6 0

What way are you trying to solve

Anna11 [10]3 years ago

4 0

Answer:

all angles are 60 degrees

Step-by-step explanation:

since all sides are equal, all angles will be equal so its a equilateral triangle

all angles in a equilateral triangle are 60 as 180/3 is 60

so all angles equal 2x

2x = 60

x = 60/2 = 30

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COLLEGE ALGEBRA!!!!

Savatey [412]

Answer:

$a.A_t=A_o.(\frac{1}{2})^t^/^{t_h}$

$b. 0.010986grams$

$c.109.84 mins$

Step-by-step explanation:

Let $t_1_/_2$ denote the half life of our substance $t$ to be our time, $A_t$ is mass at time t and $A_o$ as initial mass. Our half life equation can be expressed as:

$A_t=A_o.(\frac{1}{2})^t^/^{t_h}$ from which we can obtained mass at any given time.

b. From our equation above,

we can convert our t into mins as $t=4*60=240mins$

We then substitute $t$ value into the equation

$A_2_4_0=45\times(1/2)^2^4^0^/^2^0\\=0.010986\\=0.010986grams$

Hence mass after 4hrs is $0.010986grams$

c. We can set our final mass to $1g$ then substitute in the equation

$A_t=A_o.(\frac{1}{2})^t^/^{t_h}$ . Substitute $A_t=1g$

$1.0=45\times(1/2)^t^/^20$

$1.0=45\times(1/2)^t^/^2^0\\log(1/45)=(t/20)\times log(1/2)\\t=20\times5.491853=109.84 mins$

Hence time until $1g$ mass is 109.83 minutes

5 0

3 years ago

Simplify: -2 (x - 5) + 6x

Ulleksa [173]

Answer:

4x +10

Step-by-step explanation:

-2(x-5) +6x

-2x +10 +6x

4x +10

4 0

4 years ago

Read 2 more answers

He was left with a remainder of zero. Which of the following statements must<br> be true?

densk [106]

Answer:

where is the statements

Step-by-step explanation:

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3 years ago

the cable installer charges 42.50 per hour plus a 60.00 service charge. Your father's firm hires him to took up his company inte

Mama L [17]

The equation would be c=42.5x+60
C is cost
X is number of hours

3 0

4 years ago

Please show work it’s an easy gain of points

Fantom [35]

x = 0
This is because 4 x 0 = 0 and 3 x 0 = 0. That leaves us with 5, and 5 = 5. Therefore x = 0

5 0

3 years ago