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3 years ago

Solve the system by graphing. -2x+3y=0 3x+3y=-15

Mathematics

2 answers:

natulia [17]3 years ago

6 0

Answer:(0,0) (-5,-5)

Step-by-step explanation:

Julli [10]3 years ago

6 0

You can always use math papa (an app and a website) along with Graphing Calc (an app) to help you with these. it helps me a lot.

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If n // m, which of the following statements are true? Select all that apply.

lorasvet [3.4K]

Answer:

A is answer

Step-by-step explanation:

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3 years ago

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Find the volume of a right circular cone that has a height of 11.1 cm and a base with a diameter of 17.2 cm. Round your answer t

vovangra [49]

Answer:

$2577.8\text{ cm}^3$

Step-by-step explanation:

GIVEN: A right circular cone that has a height of $11.1$ cm and a base with a diameter of $17.2$ cm.

TO FIND: Volume of cone.

SOLUTION:

radius of cone $=\frac{\text{diameter}}{2}=\frac{17.2}{2}=8.6\text{ cm}$

height of cone $=11.1\text{ cm}$

Volume of cone $=\frac{1}{3}\pi r^2h$

putting values we get

Volume of cone $=\frac{1}{3}\times3.14\times8.6\times8.6\times11.1$

$=2577.8\text{ cm}^3$

Hence the volume of cone is $2577.8\text{ cm}^3$

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3 years ago

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mina [271]

Answer/Step-by-step explanation:

The angle CPA must be 90° because AB is a straight line and it is a measure of 180° and 180°-90° = 90°

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2 years ago

Which of the following is an equation of the line that passes through the point (−2, 3) and is perpendicular to the graph of the

Ludmilka [50]

The equation of the line is $y=-\frac{1}{3}+\frac{7}{3}$

Explanation:

The given equation is $y=3 x-2$

<u>Slope:</u>

Since, the equation of the line is perpendicular to the equation $y=3 x-2$ , then, the slope is given by

$m=-\frac{1}{3}$

Hence, the slope is $m=-\frac{1}{3}$

<u>Equation of the line:</u>

The equation of the line can be determined using the formula,

$y-y_1=m(x-x_1)$

Substituting the point (-2,3) and the slope $m=-\frac{1}{3}$ , in the above formula, we get,

$y-3=-\frac{1}{3}(x+2)$

Simplifying, we get,

$y-3=-\frac{1}{3}x-\frac{2}{3}$

$y=-\frac{1}{3}x-\frac{2}{3}+3$

$y=-\frac{1}{3}+\frac{7}{3}$

Therefore, the equation of the line is $y=-\frac{1}{3}+\frac{7}{3}$

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3 years ago

Recall that h, the phase shift, is any value of x that occurs at the beginning of a cycle.

nadezda [96]

Answer:

h = 0.748

Step-by-step explanation:

This is the correct answer, further proof in the file attached.

8 0

3 years ago