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3 years ago

Need help with this pls show work

Mathematics

2 answers:

Gemiola [76]3 years ago

6 0

Answer:

Ron got 3 additional toppings

Step-by-step explanation:

Lets call the amount of toppings that Ron got t. With this, we can set up the following equation:

8.95+0.65t=10.90

Subtract 8.95 from both sides:

0.65t=1.95

Divide both sides by 0.65:

t=3

Hope this helps!

DochEvi [55]3 years ago

4 0

Answer:

THe correct answer is that Ron actually got 3 additional toppings.

Step-by-step explanation:

We can call the amount of toppings "t"

Now, we have to create an equation to solve the given question.

Step one: Add the large piza cost to the price of each addtional topping.

8.95 + 0.65t = 10.90

Step 2: Just minus $8.95 from both sides of the given equation:

Now, we are left with;

0.65t=1.95

Step 3: Divide both sides of the given equation by 0.65;

Now we get the final answer: t = 3

Brainliest please, i need 3 more :D

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Prove or disprove that the point (√5, 12) is on the circle centered at the origin and containing the point (-13, 0). Show your w

pav-90 [236]

Using the equation of the circle, it is found that since it reaches an identity, the point (√5, 12) is on the circle.

<h3>What is the equation of a circle?</h3>

The equation of a circle of center $(x_0, y_0)$ and radius r is given by:

$(x - x_0)^2 + (y - y_0)^2 = r^2$

In this problem, the circle is centered at the origin, hence $(x_0, y_0) = (0,0)$ .

The circle contains the point (-13,0), hence the radius is found as follows:

$x^2 + y^2 = r^2$

$(-13)^2 + 0^2 = t^2$

$r^2 = 169$

Hence the equation is:

$x^2 + y^2 = 169$

Then, we test if point (√5, 12) is on the circle:

$x^2 + y^2 = 169$

$(\sqrt{5})^2 + 12^2 = 169$

25 + 144 = 169

Which is an identity, hence point (√5, 12) is on the circle.

More can be learned about the equation of a circle at brainly.com/question/24307696

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3 years ago

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N76 [4]

Answer:

Step-by-step explanation:

This is a fascinating question. It turns out to be true because of the relationship between a 30 degree angle and a 60 degree angle

The answer is that the product of sin30*sin60 = cos(30)*cos(60). This happens because sin(60) = cos(90-60) = cos(30)

Other angles will do the same thing sin36 * sin54 = cos(54)*cos(36)

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Answer

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Step-by-step explanation:

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