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dolphi86 [110]
2 years ago
14

Please help me with this question

Mathematics
2 answers:
V125BC [204]2 years ago
6 0

It is Called because 627 times 35 equals 21,945.

In-s [12.5K]2 years ago
6 0
<h3><em>c) $ 21,945  ( 35 x 627 )</em></h3><h3><em>HOPE IT HELPS !!!</em></h3>

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The curve with equation y=ax^2+bx has a gradient of 3 at the point (2,-2). Find the values of a and b.
Airida [17]

Answer:

a = 2, b = - 5

Step-by-step explanation:

Given

y = ax² + bx

\frac{dy}{dx} is the measure of the slope at x = a

Differentiate each term with respect to x using the power rule

\frac{d}{dx}(ax^{n} ) = nax^{n-1}

\frac{dy}{dx} = 2ax + b, hence

2ax + b = 3 at (2, - 2)

Substitute x = 2 into \frac{dy}{dx}

4a + b = 3 → (1) and substitute x = 2 into y

4a + 2b = - 2 → (2)

Subtract ( 1) from (2)

b = - 2 - 3 = - 5

Substitute b = - 5 into (1)

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4a = 8 ( divide both sides by 4 )

a = 2

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3 years ago
If f(x) = x + 5, what does f(8) represent? (1 point) Group of answer choices The value of x when (x + 5) = 8 The value of 8f(x)
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Answer:

a

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3 0
3 years ago
An electrician charges a flat service fee to accept a job and an additional hourly rate to complete the job. The amount an elect
Colt1911 [192]

The interpretation of the slope in the context of the problem is: For every hour the electrician works, her pay will increase $28.

<h3>How to Interpret the Slope of a Function?</h3>

The slope of any function is the unit rate or average rate of change of the given function for that situation.

Given the function, E(x) = 130 + 28x, where:

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130 is the flat rate service which is the starting value or y-intercept

28 is the unit rate or slope, which is the fee charged per hour by the electrician to complete a job.

Thus, the interpretation of the slope in the context of the problem is: For every hour the electrician works, her pay will increase $28.

Learn more about slope on:

brainly.com/question/24502219

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2 years ago
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RUDIKE [14]

Answer:

the answers are A, B, C, and F

Step-by-step explanation:

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3 years ago
Read 2 more answers
Write a variable expression for 9 more than a number s.
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S+9

More than suggests addition.
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