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satela [25.4K]
3 years ago
7

PLEASE HALP PPLS!!!!!!!!!!!!!!!!!!!!!!

Mathematics
1 answer:
Ket [755]3 years ago
5 0
The 7 is moved around the edge
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HELP FAST PLEASE I'LL MARK YOU BRAINLIEST What is the slope of a line perpendicular to the line whose equation is x+2y=14. Fully
sashaice [31]
Turn it into slope-intercept form.
2y = -x + 14
y = -x/2 + 7
The slope is -1/2.
Perpendicular lines have slopes that are opposite reciprocal, so the slope of the perpendicular line is 2.
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The length of a rectangle is 1 less than twice the width. The area of the rectangle is 28 square feet. The equation 2w²-w-28 , w
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The answer should be B
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An artist can paint 4 paintings in 2 hours. What is the artist’s unit rate?
RUDIKE [14]

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2:1 solution has 1 in the denominator

Step-by-step explanation:

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Jonah runs a bakery, and his most popular item is cinnamon raisin bread. He has two options to purchase raisins.
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Write an exponential model given the points ( 7, 12 ) and ( 8, 25 ). Round to the nearest hundredth.
inna [77]

Answer:

The exponential model is y = 0.07\cdot e^{0.73\cdot x}.

Step-by-step explanation:

The exponential model can be modelled by the following mathematical expression:

y = A\cdot e^{B\cdot x} (1)

Where:

x - Independent variable.

y - Dependent variable.

A, B - Coefficients.

If we know that (x_{1}, y_{1}) = (7,12) and (x_{2}, y_{2}) = (8,25), then we get the following system of equations:

A\cdot e^{7\cdot B} = 12 (2)

A\cdot e^{8\cdot B} = 25 (3)

If we divide (3) by (2), we calculate the value of B:

e^{B}=\frac{25}{12}

B = \ln \frac{25}{12}

B \approx 0.734

And by (2), we determine the value of A:

A = 12\cdot e^{-7\cdot B}

A = 0.0704

The exponential model is y = 0.07\cdot e^{0.73\cdot x}.

4 0
3 years ago
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