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3 years ago

14

A friend asks to borrow $250 for 100 days anD aGREES tO pAY 36.5%

1 answer:

aksik [14]3 years ago

7 0

95% percent that friend is not going to pay you back

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The function f(x) = One-sixth (two-fifths) Superscript x is reflected across the y-axis to create the function g(x). Which order

Gekata [30.6K]

The ordered pair (-3 , $\frac{4}{375}$ ) is on g(x) ⇒ 1st answer

Step-by-step explanation:

Let us revise the reflection across the axes

If the function f(x) reflected across the x-axis, then its image is g(x) = - f(x) (change the sign of y)
If the function f(x) reflected across the y-axis, then its image is g(x) = f(-x) (change the sign of x)

∵ $f(x)=\frac{1}{6}(\frac{2}{5})^{x}$

∵ f(x) is reflected across the y-axis to create the function g(x)

- Change the sign of x

∴ $g(x)=\frac{1}{6}(\frac{2}{5})^{-x}$

To find the point that lies on g(x) substitute x in g(x) by the x-coordinate of the point if the answer equal to the y-coordinate of the point, then the point lies on it if not then the point does not lie on it

∵ The coordinates of the point are (-3 , $\frac{4}{375}$ )

∴ x = -3 and y = $\frac{4}{375}$

- Substitute x by -3 in g(x)

∵ $g(x)=\frac{1}{6}(\frac{2}{5})^{-x}$

∴ $g(x)=\frac{1}{6}(\frac{2}{5})^{-(-3)}$

∴ $g(x)=\frac{1}{6}(\frac{2}{5})^{3}$

∵ $(\frac{2}{5})^{3}=\frac{2^{3}}{5^{3}}=\frac{8}{125}$

∴ $g(x)=\frac{1}{6}(\frac{8}{125})$

∴ $g(x)=\frac{8}{750}$

- Divide up and down by 2

∴ $g(x)=\frac{4}{375}$

∵ The value of g(x) equal to the y-coordinate of the point

∴ The point (-3 , $\frac{4}{375}$ ) lies on g(x)

The ordered pair (-3 , $\frac{4}{375}$ ) is on g(x)

Learn more:

You can learn more about the reflection in brainly.com/question/5017530

#LearnwithBrainly

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2 years ago

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A ball is thrown straight up with a initial velocity of 56 feet per second . The height , h , of the ball t seconds after it is

Tju [1.3M]

<span>Formula: H(t) = 56t – 16t^2 </span>

H(t) = - 16t^2 + 56t

<span><span>A. </span>What is the height of the ball after 1 second? H (1) = 56(1) – 16(1) ^2 = 40 pt.</span>

<span><span>B. </span>What is the maximum height? X = - (56)/2(- 16) = 1.75 sec h (1.75) = 56(1.75) – 16(1.75) ^2 h (1.75) = 49ft.</span>

<span><span>C. </span><span>After how many seconds will it return to the ground? – 16t^2 + 56t = 0 - 8t =0 t = 0</span></span>

<span><span>- </span><span>8t (2 + - 7) = 0 2t – 7 = 0 t = 7/2 Ans: 3.5 seconds</span></span>

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3 years ago

X+y=4 and x-y=6 substitution

vlabodo [156]

Y = -1
x = 5
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3 years ago

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Tito purchased sandwiches and a gallon of milk for himself and his friends. Each sandwich cost $9. The gallon of milk cost $6. T

soldi70 [24.7K]

Answer:

answer SHOULD be 3 sandwiches

Step-by-step explanation:

33-6=27÷9=3

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3 years ago

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A horse travels 100 meters at a velocity of 30m/s W. How long does it take the horse to travel this distance?

Dafna1 [17]

The formula for finding time is the distance divided by the velocity.So the answer is 100÷30=3.3333...

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3 years ago