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Naily [24]
2 years ago
10

What is the value of x?

Mathematics
2 answers:
kondaur [170]2 years ago
8 0
Because the angles are equal to each other, you can set the two quantities equal to each other and solve for x. x=20 
dimulka [17.4K]2 years ago
4 0
3x+50= 6x-10
-3x= -60
X= 20
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3 years ago
Which numbers represents a repeating decimal -2/5, -7, 3/9, 11/12
Olegator [25]
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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
2 years ago
Jessica grows two types of tomato plants in her garden. For each type, she records the heights, in inches, of five plants.
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One gallon equals to 4 quarts.

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You will use 3 quarts of water and 1 quart of cleaner. The answer is D.


4 0
3 years ago
Read 2 more answers
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