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tatyana61 [14]
2 years ago
15

The distance from c to d?

Mathematics
1 answer:
myrzilka [38]2 years ago
4 0
Pretty sure it’s
A. 7 units.
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The bulls-eye on a target has a diameter of 3 inches. The whole target has a diameter of 15 inches. What part of the whole targe
Helga [31]
Since a target is a circle and the bulls-eye is also a circle, the percent of the circle that is bulls-eye would be (Area of the bulls eye)/(Area of the target)

[tex] A = \pi r^{2} \\
d = 2r \\ r = \frac{d}{2} \\\\
\frac{ \pi ( \frac{d}{2})^{2}}{ \pi ( \frac{d}{2})^{2} }= \frac{ \pi ( \frac{3}{2})^{2}}{ \pi ( \frac{15}{2})^{2} }\\
\frac{ \pi ( \frac{3}{2})^{2} }{ \pi ( \frac{15}{2})^{2} } = \frac{ \pi (1.5)^{2} }{ \pi (7.5)^{2} } \\
\frac{ \pi (1.5)}{ \pi (7.5) } = \frac{ \pi (2.25)}{ \pi (56.25)}\\
\frac{ \pi (2.25)}{ \pi (56.25)}=\frac{2.25}{56.25}= 0.04 [tex]

So the bulls-eye takes up 4% of the target.
4 0
3 years ago
Definition isosceles triangle
LuckyWell [14K]

Answer:

triangle with two equal sides.The angles opposite the equal sides are also equal.

Step-by-step explanation:

7 0
3 years ago
The sum of two numbers is 25 one number is five less than the other number find the larger number
prohojiy [21]

*NOT MY WORK ITS FROM SOMEONE ELSE WHO ASKED THE SAME PROBLEM*

Answer: x=15, y= 10

Step-by-step explanation:

Answer: x=15, y=10

*Note: x and y are only variables used to solve this problem, but know that the two numbers are 15 and 10.

Step-by-step explanation:

For this problem, we can use system of equations. Let's use x for one number and y for the other.

First Equation:

x+y=25

We get this equation because it states that the sum of the two numbers is 25.

Second Equation:

y=x-5

We get this equation because it says one number (y) is 5 less than the other (x).

Since we have two equations, we can use substitution method to solve.

                                 [distribute 1 to (x-5)]

                                    [combine like terms]

                                        [add both sides by 5]

                                               [divide both sides by 2]

Now that we have x, we can plug it into any of the equations to find y.

                                         [plug in x=15]

                                        [subtract both sides by 15]

Finally, we have our answer, x=15 and y=10.

4 0
2 years ago
Read 2 more answers
A recipe that serves 4 people requires 1 and one half cups of sugar. Using this​ recipe, how many cups of sugar are needed to se
Volgvan

Answer:

2 and 1/4 cups

Step-by-step explanation:

Im not sure if im wording this right but if there are 4 ppl and thats 1 1/2 cups then divide that by 2 and get 0.75 and multiply that by 3 or just add 1 1/2 cups to 0.75 and get 2.25 which is 2and 1/4 cups.

Hope this helps :)

3 0
2 years ago
An agricultural sprinkler distributes water in a circular pattern of radius 100 ft. It supplies water to a depth of e^-r feet pe
Elan Coil [88]

A circle of radius R ft has area \pi R^2 sq ft. For any fixed R, water will reach a depth of e^{-R} ft. You can think of the total volume of water supplied within a radius R of the sprinkler as the volume of the "cylinder" with "height" given by e^{-r} for some 0.

This volume is

\displaystyle\int_0^{2\pi}\int_0^Rre^{-r}\,\mathrm dr\,\mathrm d\theta=2\pi(1-e^{-R}(R+1))

cu ft.

3 0
3 years ago
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