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3 years ago

Help plzzzzzzzzzzzzzzzzzzzzzzzzz ASAP!!!

Mathematics

1 answer:

harkovskaia [24]3 years ago

3 0

I believe the answer is AD
Hope this helps!
Pls give Brainliest answer!

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What’s the inverse of y= 100 - x^2

Marianna [84]

Answer:

The inverse is ±sqrt(100-x)

Step-by-step explanation:

y= 100 - x^2

Exchange x and y

x = 100 -y^2

Solve for y

Subtract 100 from each side

x-100 = 100-100-y^2

x-100 = - y^2

Multiply by -1

-x+100 = y^2

100 -x = y^2

Take the square root of each side

±sqrt(100-x) = sqrt(y^2)

±sqrt(100-x) = y

The inverse is ±sqrt(100-x)

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4 years ago

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How do i answer this question?

igomit [66]

Answer:

its a=bh

Step-by-step explanation:

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3 years ago

Is this function linear or nonlinear

vaieri [72.5K]

Answer:

liner

Step-by-step explanation:

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3 years ago

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Complete the following table for residuals for the exponential function: f(x) = 49.3(1.47)

agasfer [191]

Answer:

Predicted values:

$\hat y_1 = 49.3 (1.47)^1 =72.471$

$\hat y_2 = 49.3 (1.47)^2 =106.5324$

$\hat y_3 = 49.3 (1.47)^3 =156.6026$

$\hat y_4 = 49.3 (1.47)^4 =230.2058$

$\hat y_5 = 49.3 (1.47)^5 =338.4025$

$\hat y_6 = 49.3 (1.47)^6 =497.4517$

$\hat y_7 = 49.3 (1.47)^7 =731.254$

$\hat y_8 = 49.3 (1.47)^8 =1074.943$

Residuals:

$e_1 = 65-72.471=-7.471$

$e_2 = 90-106.5324=-16.5324$

$e_3 = 162-156.6026 = 5.3974$

$e_4 = 224-230.2058 = -6.2058$

$e_5 = 337-338.4025 = -1.4025$

$e_6 = 466-497.4617 = -31.4517$

$e_7 = 780-731.254 = 48.7459$

$e_8 = 1087-1074.493 = 12.0566$

Step-by-step explanation:

For this case we assume the following exponential function:

$\hat y_i = 49.3 (1.47)^x$

Where x represent the hours and y the predicted values for each hour. We can find the estimated values like this:

$\hat y_1 = 49.3 (1.47)^1 =72.471$

$\hat y_2 = 49.3 (1.47)^2 =106.5324$

$\hat y_3 = 49.3 (1.47)^3 =156.6026$

$\hat y_4 = 49.3 (1.47)^4 =230.2058$

$\hat y_5 = 49.3 (1.47)^5 =338.4025$

$\hat y_6 = 49.3 (1.47)^6 =497.4517$

$\hat y_7 = 49.3 (1.47)^7 =731.254$

$\hat y_8 = 49.3 (1.47)^8 =1074.943$

Now we can find the residuals with this formula:

$e_i = Y_i -\hat y_i$

And replacing we got:

$e_1 = 65-72.471=-7.471$

$e_2 = 90-106.5324=-16.5324$

$e_3 = 162-156.6026 = 5.3974$

$e_4 = 224-230.2058 = -6.2058$

$e_5 = 337-338.4025 = -1.4025$

$e_6 = 466-497.4617 = -31.4517$

$e_7 = 780-731.254 = 48.7459$

$e_8 = 1087-1074.493 = 12.0566$

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3 years ago

Calculate given angle to the nearest agree

Salsk061 [2.6K]

Answer:

37°

Step-by-step explanation:

too tired to give an explanation, just trust it

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