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natima [27]
3 years ago
11

Andrew and Sebastian are training for a weightlifting competition. In order to prepare, each of them has created their own perso

nal training plan as follows:
• Andrew will start off by lifting 50 pounds and will increase the weight he lifts by 10% each week.
• Sebastian will start off by lifting 40 pounds and will increase the weight he lifts by 10 pounds each week.
Which of the following statements are true?
OOOOO
Andrew and Sebastian both increase the weight they lift each week by the same amount
Andrew's training plan can be modeled by a linear function, and Sebastian's training plan can be modeled by an exponential function.
Andrew's training plan can be modeled by an exponential function, and Sebastian's training plan can be modeled by a linear function.
Andrew increases the weight he lifts each week by equal factors, and Sebastian increases the weight he lifts each week by equal differences
Andrew increases the weight he lifts each week by equal differences, and Sebastian increases the weight he lifts each week by equal factors

Mathematics
1 answer:
IrinaK [193]3 years ago
5 0

Answer: LOLL PLS NOT US BOTH BEING AT OCPS CHEATIN

Step-by-step explanation:

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(-2,0) and (3,4)<br><br> slope=1/3 and (2,4)<br><br> SOLVE EQUATIONS FOR THEM PLEASE
andrew11 [14]

Answer:  a)\quad y=\dfrac{4}{5}x+\dfrac{8}{5}               b)\quad y=\dfrac{1}{3}x+\dfrac{10}{3}                

<u>Step-by-step explanation:</u>

Use the Slope formula:      m=\dfrac{y_2-y_1}{x_2-x_1}

and the Point-Slope formula:   y - y₁ = m(x - x₁)

a) (-2, 0) and (3, 4)

 m=\dfrac{0-4}{-2-3}\quad =\dfrac{-4}{-5}\quad =\dfrac{4}{5}

Let (x₁, y₁) = (-2, 0)      

y - y₁ = m(x - x₁)

y-0=\dfrac{4}{5}\bigg(x-(-2)\bigg)\\\\\\y\quad =\dfrac{4}{5}\bigg(x+2\bigg)\\\\\\\large\boxed{y\quad =\dfrac{4}{5}x+\dfrac{8}{5}}

b) m = 1/3     (x₁, y₁) = (2, 4)    

y - y₁ = m(x - x₁)

y-4=\dfrac{1}{3}\bigg(x-2\bigg)\\\\\\y-4 =\dfrac{1}{3}x-\dfrac{2}{3}\\\\\\y\quad \ =\dfrac{1}{3}x-\dfrac{2}{3}+\dfrac{12}{3}\\\\\\\large\boxed{y\quad =\dfrac{1}{3}x+\dfrac{10}{3}}

7 0
4 years ago
Can someone help me please <br> I will mark you brainliest ❣️
Mnenie [13.5K]

9514 1404 393

Answer:

  26. B(t) = 500·1.075^t; B(6) ≈ $772

  27. G(t) = 70·0.72^t; G(3) ≈ 26 g

Step-by-step explanation:

The equation with the plus sign is used when the value is increasing. The minus sign is used when the value is decreasing. The 'a' in each equation is the initial value.

__

26. B(t) = 500·1.075^t

  B(6) = 771.65

The balance after 6 years is about $772.

__

27. G(t) = 70·0.72^t

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About 26 grams are left after 3 days.

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3 years ago
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Angle = 0.08 * 360 = 28.8 degrees
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The cost C (in dollars) of making N watches is represented by C=15n + 85. How many watches are made when the cost is $385?
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20 watches are made according to the cost of 385 dollars
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330 km is the correct answer.
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