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Mathematics

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Nikolay [14]3 years ago

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Answer:

i hate my self infinity times

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X = y - 4<br> -2x + 3y= 6<br> Solve each system by equation

Stella [2.4K]

Answer:

Point form=(-6,-2)

Equation Form= x=-6, y=-2

Step-by-step explanation:

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2 years ago

Find the exact value of sec 3pi/2<br> If not defined, write undefined.

Olenka [21]

Answer: Undefined

Step-by-step explanation:

Sec 3 $\pi$ /2 = 1/Cos(3 $\pi$ /2) = 1/0 = Undefined

6 0

3 years ago

According to the diagram below, which similarity statements are true?<br> Check all that apply.

goldenfox [79]

Ddddddddddddddddddddddddd

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2 years ago

The point P(5, −4) lies on the curve y = 4/(4 − x).

dalvyx [7]

Answer:

Step-by-step explanation:

Slope refers to the steepness of the line.

Slope is equal to change in value of y divided by change in value of x.

The slope of the secant line is given by $\frac{f(x)-f(a)}{x-a}$ .

Given points are $P\left ( 5,-4 \right )\,,\,Q\left ( x,\frac{4}{4-x} \right )$

So, slope of the secant line is $\frac{\frac{4}{4-x}+4}{x-5}=\frac{4+4(4-x)}{(x-5)(4-x)}=\frac{20-4x}{(x-5)(4-x)}=\frac{-4(x-5)}{(x-5)(4-x)}=\frac{-4}{4-x}=\frac{4}{x-4}$

(i) At x = 4.9,

$\frac{4}{4.9-4}=\frac{4}{0.9}=4.444444$

(ii) At x = 4.99,

$\frac{4}{4.99-4}=\frac{4}{0.99}=4.040404$

(iii) At x = 4.999,

$\frac{4}{4.999-4}=\frac{4}{0.999}=4.004004$

(iv) At x = 4.9999,

$\frac{4}{4.9999-4}=\frac{4}{0.9999}=4.0004$

(v) At x =5.1,

$\frac{4}{5.1-4}=\frac{4}{1.1}=3.636364$

(vi)

At x = 5.01,

$\frac{4}{5.01-4}=\frac{4}{1.01}=3.960396$

(vii) At x = 5.001,

$\frac{4}{5.001-4}=\frac{4}{1.001}=3.996004$

(viii) At x = 5.0001,

$\frac{4}{5.0001-4}=\frac{4}{1.0001}=3.9996$

(b)

Slope of the tangent line is 4.

5 0

3 years ago

Luna buys a shirt that costs $15.65. She

Serhud [2]

Answer:

16.25%

Step-by-step explanation:

3.25:20*100 =

(3.25*100):20 =

325:20 = 16.25

3 0

3 years ago

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