If the radius of a circle with an area of 45 inches squared is multiplied by 6, what is the area of the new circle ?

Answers

Answer 1

Answer: A circle is drawn with all it's points equidistant from a fixed point. The fixed point is called the center of the circle and the distance from the center point to the outside is called the radius.

$Area = \pi *r^2$

$r^2 = Radius$

$45*6^2= New \ Area$

$= 1620$

Answer 2

Answer: 45X6²=1620 because the area of circle=r² $\pi$

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In a certain class, 40% of the students are girls, and 20% of the girls wear glasses.What percent of the children in the class are girls who wear glasses?

Answers

answer is 8%

(0.40)*(0.20) = 0.08 multiply by 100 to determine percent = 8% of the class are girls who wear glasses

Answer:

20%

Step-by-step explanation:

hehe idk i just wanted some points

A ceramic artist can shape a pot in 3 minutes. It takes 10 minutes to fire one batch of pots in the kiln. If there are p pots in a batch, which expression represents the time it takes to shape and fire one batch of pots? How long will it take the potter to form and fire a batch of 10 pots?

Answers

Answer:

t = 40 minutes for p = 10 pots

Step-by-step explanation:

given p pots in a batch.

Let t = time it takes to finish a pot

t = 3*p + 10

so if p = 10 pots,

t = 3*10 + 10 = 30 + 10 = 40 minutes

Identify each expression that represents the slope of a tangent to the curve y= -x^3+17x^2-x+3 at any point (x,y).

Answers

This is seriously so long I'm not sure it will even fit on a single line. The formula for the derivative using the limiting process is $\lim_(h \to 0) (f(x+h)-f(x))/(h)$ . And of course this is a problem because if h approaches 0, we would have a 0 in the denominator of that fraction and that is definitely not allowed! Every x in the function will be replaced with (x+h) to give us this: $\lim_(h \to 0) (-(x+h)^3+17(x+h)^2-(x+h)+3)/(h)$ . When we expand that we will get this very long numerator (I'm purposely leaving out the limit as h approaches 0 part to save space): $(-(x^3+2x^2h+xh^2+x^2h+2xh^2+h^3)+17x^2+34xh+17h^2-x-h+3-(-x^3+17x^2-x+3))/(h)$ . Simplifying that leaves us with this: $(-x^3-2x^2h-xh^2-x^2h-2xh^2-h^3+17x^2+34xh+17h^2-x-h+3+x^3-17x^2+x-3)/(h)$ . We have a lot of terms that cancel each other out so when we do that we are left with $\lim_(h \to 0) (-3x^2h-3xh^2-h^3+34xh+17h^2-h)/(h)$ . That is one of your choices for answers, the third one down on the left to be specific. Now we can factor out an h: $\lim_(h \to 0) (h(-3x^2-3xh-h^2+34x+17h-1))/(h)$ . That h on the top outside the parenthesis cancels with the h on the bottom. Now, as h approaches 0 we have no problems! Yay! That means when we now replace h with 0, we have this: $-3x^2-0-0+34x+0-1$ , or simplified we have $-3x^2+34x-1$ which is also a choice for your answers, top one on the right. Those are your 2 answers for that dertivative. It's much simpler when you learn the rules!

In Jaden’s yard, there is a triangular garden patch. He wants to plant a geranium in the patch at a point equidistant from all its vertices. Where should Jaden plant the geranium?in the center of the inscribed circle of the triangle
in the center of the circumscribed circle of the triangle
at the point of intersection of the angle bisectors of the triangle
at the point of intersection of an angle bisector and a perpendicular bisector of the triangle

Answers

In Jaden’s yard, there is a triangular garden patch. He wants to plant a geranium in the patch at a point equidistant from all its vertices. Jaden should plant the geranium "at the point of intersection of an angle bisector and a perpendicular bisector of the triangle."

Answer:

"at the point of intersection of an angle bisector and a perpendicular bisector of the triangle."

Step-by-step explanation:

12.75x+250=18.25x74
can someone help with this?

Answers

Answer:

X = 4402/51 = 86.31

Step-by-step explanation:

A Greenhouse has the shape of a cylinder and rectangular prism, as show. In order to air condition the building the owner needs to know the volume of the empty green house. What is the volume, in cubic feet? leave your answer to the nearest hundredths.Volume Cylinder= _______cubic feet

Volume total= ______cubic feet

Answers

Cuboid: 12×8×25=2400feet $^(2)$

half cylinder: $(1)/(2) ( \pi r^(2)h)$
⇒ r=6 h=25
⇒ $(1)/(2) ( 900\pi )$ = 1413.72feet $^(2)$

Total= 2400.00
+1413.72
------------
3813.72 $feet^(2)$

Final answer:

To find the volume of the greenhouse, calculate the volumes of the cylinder and rectangular prism separately. Then, add the volumes together to find the total volume.

Explanation:

To find the volume of the greenhouse, we need to calculate the volumes of the cylinder and the rectangular prism separately. The volume of a cylinder is given by the formula V = πr^2h, where r is the radius and h is the height. The volume of a rectangular prism is calculated by multiplying the length, width, and height. Once we have the volume of both shapes, we can add them together to find the total volume of the greenhouse.

Let's say the cylinder has a radius of 5 feet and a height of 10 feet. The volume of the cylinder is V = π(5^2)(10) = 250π cubic feet. The rectangular prism has a length of 15 feet, a width of 8 feet, and a height of 10 feet. The volume of the rectangular prism is V = 15 * 8 * 10 = 1200 cubic feet. Finally, the total volume of the greenhouse is 250π + 1200 = 1200 + 250π cubic feet.

Learn more about Volume of 3D shapes here:

brainly.com/question/32173565

#SPJ3

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