Solve the following equation for A. Be sure to take into account whether a letter iscapitalized or not.
4 = gA

Answers

Answer 1

Answer:

Answer:

4/a

Step-by-step explanation:

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Eliminate the parameter to find the cartesian equation of the curve: x=7sinθ,y=cos2θ,−π2≤θ≤π2 x=7sin⁡θ,y=cos2⁡θ,−π2≤θ≤π2 the equation of the curve is: y = equation editorequation editor from x = equation editorequation editor to x =

Answers

Answer:

$y = 1 - (2)/(49)\cdot x^(2)$

Step-by-step explanation:

The parametrical components of the curve are:

$x = 7 \cdot \sin \theta$ and $y = \cos 2\theta$

After some trigonometrical and algebraic handling, the parametrical variable is eliminated in the resulting expression:

$y = \cos^(2)\theta - \sin ^(2)\theta$

$y = 1 - 2\cdot \sin^(2)\theta$

$y = 1 - 2\cdot \left((x^(2))/(49) \right)$

$y = 1 - (2)/(49)\cdot x^(2)$

Final answer:

To eliminate the parameter and find the Cartesian equation of the curve x = 7sin⁡θ,y = cos2⁡θ, we can express x in terms of θ, rearrange the equation, and substitute it into the other equation to eliminate the parameter θ. The resulting equation 2(x/7)² + y - 1 = 0 represents the Cartesian equation of the curve.

Explanation:

To eliminate the parameter and find the Cartesian equation of the curve, we can express x in terms of θ using the given equation x = 7sin⁡θ. Rearranging this equation, we get sin⁡θ = x/7. Similarly, we can express y in terms of θ using the given equation y = cos2⁡θ, which can be rewritten as cos⁡(2θ) = y.

Now we can use the trigonometric identity cos⁡(2θ) = 1 - 2sin²⁡θ to eliminate θ from the equations. Substituting this identity into the second equation, we get 1 - 2(sin⁡θ)² = y.

Simplifying this equation, we have 2(sin⁡θ)² + y - 1 = 0. Finally, we can express sin⁡θ in terms of x using the equation sin⁡θ = x/7, and substitute it into the simplified equation to eliminate θ. This gives us 2(x/7)² + y - 1 = 0, which represents the Cartesian equation of the given curve.

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Sun Gold paint is made by mixing 3 parts yellow to 2 partsred. How much red is to be mixed with 4 quarts of yellow?

Answers

3 parts red I think please don’t hate me I don’t know :((

Final answer:

To mix with 4 quarts of yellow paint, one would need approximately 2.67 quarts of red paint. This was determined through the use of ratio and proportion.

Explanation:

To determine how much red paint needs to be mixed with 4 quarts of yellow paint, we use ratio and proportion. We know the paint is mixed at a ratio of 3:2 yellow to red. Hence, we assume that 3 parts is equivalent to 4 quarts of yellow paint. So, we can use cross-multiplication to find the equivalent volume of red paint:

3 yellow : 2 red = 4 quarts yellow : x quarts red.

So, we solve 2x = 4 * 3/3. Doing the maths, we get, x = 2.67 quarts it’s the required volume of red paint for 4 quarts of yellow paint.

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PLEASE ANSWER ASAP! YOUR ANSWER MUST REQUIRE AN EXPLANATION IN ORDER TO RECEIVE 10 POINTS AND THE BRAINLIEST ANSWER!!! THANKS!!!!

Answers

Hello,

Using vectors and scalar product:

$[(a+c)*\vec{i}+(b-0)*\vec{j} ].[(a-c)*\vec{i}+(b-0)*\vec{j}]=0$
Thus
$(b^2)/((a+c)(a-c))=1$

By the way how can we make text larger in latex \larger{.....} don't work.

Answer A

Use the cubic model y = 10x3 − 12x to find the value of y when x = 9.

Answers

Answer:

7182

Step-by-step explanation:

All you shoud do is to replace x by 9

● y = 10 * 9^3 -12*9

● y = 7182

Which angle measure below is not a possible measure of an exterior angle of a regular polygon?45°
36°
40°
54°

Answers

All exterior angles of a regular polygon would equal 360 degrees. SO... based on that, one exterior angle would have to multiplied by whatever sum (whole number) to equal 360 degrees to find the number of sides. Here you divide 360 by one of the exterior angles, if it does not equal a whole number then it would be inaccurate.
In this case only 54 degrees would not fit into one of the exterior angles.

Mr. Wong wants to purchase 12 new smoke detectors for his house. Store A sells each smoke detector for $17 and Store B sells each smoke detector for $24. If Mr. Wong purchases all his smoke detectors at Store A, how much less will he spend than if he purchased all the smoke detectors at Store B?

Answers

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

The amountlessspend by buying in store Athan in store B is $84

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

The number of smokedetectors to be purchased.

= 12

Store A:
Cost of one smokedetector = $17

Cost of 12 smokedetectors.

= 12 x 17

= $204

Store B:

Cost of one smokedetector = $24

Cost of 12 smokedetectors.

= 12 x 24

= $288

Now,

The difference between the cost of 12 smokedetectors from store A to store B.

= $288 - $204

= $84

Thus,

The amountlessspend by buying in store Athan in store B is $84

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Answer:

$84

Step-by-step explanation:

so for store A, you would do $17*12 smoke detectors, Which would give you $204. For store B you would do $24*12 smoke detectors. That is $288. Now all you do is 288-204=84. You would save $84 dollars going to store A

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