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3 years ago

Please help! 9/4(7+3-4*9)

Mathematics

1 answer:

Serga [27]3 years ago

6 0

Answer:

58.5

Step-by-step explanation:

This expression should be simplified using order of operations. According to order of operations or PEMDAS, complete any numbers in parenthesis then any exponents, multiplication, division, additions and subtraction moving left to right through each operation.

Begin with Parenthesis.

(7+3-4*9) - Multiply first

(7+3-36) - Then add/subtract left to right

10 - 36 = -26

Replace -26 where the parenthesis were in the original expression.

9/4 (-26)

234/4

58.5

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Find an equation of the tangent line to the curve y=8x sinx at the point pi/2 4pi

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Hello
We know that upon differentiating a function at a certain point, we can obtain its gradient at that point. That will also be the gradient of its tangent line. Thus,
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Help please.

Sophie [7]

Answer:

Option B B. -6, 4, 1, -4

Step-by-step explanation:

we have the following set of data:

$\{(-6, 5), (-4, 3), (-1, 0), (4, 3)\}$

we know that

For a set of ordered pairs, the first elements of each ordered pair represents the domain of the function and second elements of each ordered pair represents the range of the function.

In this problem

the first elements of each ordered pair are:

$\{-6, -4, -1, 4\}$

the second elements of each ordered pair are:

$\{5, 3, 0, 3\}$

therefore

the domain is $\{-6, -4, -1, 4\}$

the range is $\{5, 3, 0, 3\}$

6 0

3 years ago