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3 years ago

For each inequality, decide whether the solution is represented by x<4.5 or x>4.5

Mathematics

2 answers:

dmitriy555 [2]3 years ago

8 0

A: x > 4.5

B: x < 4.5

C: x < 4.3

Papessa [141]3 years ago

5 0

Answer:

A: might be x < 4.5

B: might be the same as a

c: x > 4.5

Step-by-step explanation:

I might be wrong though don’t hold it against me plz

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Y=x^2 -9x at x = 4 Find an equation of the tangent an an equation of the normal

Montano1993 [528]

The tangent line to y = f(x) at a point (a, f(a) ) has slope dy/dx at x = a. So first compute the derivative:

y = x² - 9x → dy/dx = 2x - 9

When x = 4, the function takes on a value of

y = 4² - 9•4 = -20

and the derivative is

dy/dx (4) = 2•4 - 9 = -1

Then use the point-slope formula to get the equation of the tangent line:

y - (-20) = -1 (x - 4)

y + 20 = -x + 4

y = -x - 24

The normal line is perpendicular to the tangent, so its slope is -1/(-1) = 1. It passes through the same point, so its equation is

y - (-20) = 1 (x - 4)

y + 20 = x - 4

y = x - 24

3 0

3 years ago

When making a horizontal translation your y-value changes and when making a vertical translation your x-value changes. true or f

Ann [662]

False
The horizontal translation is from left to right which affects the x-value while the vertical translation is up to down which affects the y-value

Good luck!

3 0

2 years ago

Plzz help I will mark brainliesttttt

ira [324]

Answer:

HOPE IT HELPED U .....

Step-by-step explanation:

a). f(5)= 2x +6

= 2 *5+6

= 10+6

=16

(b). g (9)= -12x+4

= -12*9+4

= -108 +4

=-104

(c). f(5)+f(9)= 16+(-104)

=-88

4 0

2 years ago

Read 2 more answers

Businesses deposit large sums of money into bank accounts. Imagine an account with 10 million

Nikitich [7]

Answer:

The account will earn in one year the amount of $10,512,000

Step-by-step explanation:

Given as :

The principal in the account = $10,000,000

The rate of interest = 5.12% at simple interest

The time period = 1 years

Let The amount that account earn after 1 year = $A

From Simple interest method

Simple interest = S.I = $\dfrac{\textrm principal\times \textrm rate\times \textrm time}{100}$

or, S.I = $\dfrac{\textrm 10,000,000\times \textrm 5.12\times \textrm 1}{100}$

or, S.I = $\dfrac{51200000}{100}$

or, S.I = $512,000

So, Simple interest = S.I = $512,000

Now, Amount = Principal + Interest

I.e A = $10,000,000 + $512,000

Or, A = $10,512,000

So, Amount = A = $10,512,000

Hence The account will earn in one year the amount of $10,512,000 Answer

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3 years ago

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mrs_skeptik [129]

Step-by-step explanation:

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2 years ago