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Ber [7]
3 years ago
6

2 x 9 = ? and also dont you just loooooove my profile picture

Mathematics
2 answers:
hjlf3 years ago
6 0

Answer:

18

Step-by-step explanation:

Verizon [17]3 years ago
5 0

Answer:

18

Step-by-step explanation:

18

2 * 9 = 18

9 + 9 = 18

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It’s due tomorrow and I don’t have time to to do it now I have to do something for my other classes
ivann1987 [24]

For the top angles you would solve them by setting them equal to each other, so you would do 3x+5=17x-70. You can then add 70 to both sides, getting 3x+75=17x. You can then subtract 3x from both sides, getting 75=14x. You then divide both sides, getting 5 5/14 or around 5.36 as x. You can then add plug that into 3x+5, getting around 21.07. You can then make the equation R=180-21.07. You'd get 158.93.

4 0
3 years ago
Five more than a number is three
Pavel [41]

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7 0
3 years ago
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A sample of 49 observations is taken from a normal population with a standard deviation of 10. the sample mean is 55. determine
Anna35 [415]
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3 years ago
Which of the following arguments correctly justifies the second step of the flow proof of the triangle angle sum theorem below
pochemuha
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8 0
3 years ago
Algebra 2 (picture shown)
TEA [102]

Answer:

<em>M(13)=14.3 gram</em>

Step-by-step explanation:

<u>Exponential Decay Function</u>

The exponential function is used to model natural decaying processes, where the change is proportional to the actual quantity.

An exponential decaying function is expressed as:

C(t)=C_o\cdot(1-r)^t

Where:

C(t) is the actual value of the function at time t

Co is the initial value of C at t=0

r is the decaying rate, expressed in decimal

The element has an initial mass of Mo=970 grams, the decaying rate is r=27.7% = 0.277 per minute.

The equation of the model is:

M(t)=M_o\cdot(1-r)^t

M(t)=970\cdot(1-0.277)^t

Operating:

M(t)=970\cdot 0.723^t

After t=13 minutes the remaining mass is:

M(13)=970\cdot 0.723^{13}

Calculating:

M(13)=14.3 gram

4 0
3 years ago
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