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aleksandr82 [10.1K]
4 years ago
7

If the diameter of a circle is 5 centimeters, how long is the arc subtended by an angle measuring 60° ?

Mathematics
2 answers:
Marizza181 [45]4 years ago
7 0
Arc length s is given by s = r*theta, where theta is the central angle in radians (not degrees).

Here the diam. is 5 cm, so the radius is 5/2 cm.  60 deg = sqrt(3) / 2.  Thus,

the arc length is    s = (5/2 cm)*sqrt(3) / 2.  This simplifies to (5/4) sqrt(3).
Darina [25.2K]4 years ago
5 0
I think the answer will be 12 because 12 times 5 is 60°
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Which represents the solution(s) of the system of equations, y = -x2 + 6x + 16 and y = - 4x + 37? Determine the solution set
AysviL [449]

Answer:

The answer is c

Step-by-step explanation:

(7,9) (3,25)

3 0
3 years ago
An alligator's tail length,t, varies directly as its body length,b. an alligator with a body length of 4 feet has a tail length
san4es73 [151]

Here we are given that the Alligator's tail length t varies directly as its body length b.

Using this given information and taking k as constant of proportionality, we get this equation :

t=kb.................(1)

Now we are given:

body length (b) = 4 feet

tail length (t) = 2.5 feet

plugging these values in equation (1) we have,

2.5=k*4

from here we can calculate the value of k, dividing both sides by 4

k=2.5/4 = 0.625.............(2)

Now we have to find tail length of alligator if body length is 3.2 feet.

so plugging b=3.2 and k=0.625 in equation (1)

t=3.2 * 0.625

t= 2

So tail length is 2 feet when body length of alligator is 3.2 feet.

3 0
3 years ago
How to do this and answer this
nordsb [41]

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

                  Hello!

✧・゚: *✧・゚:*    *:・゚✧*:・゚✧

❖ 8² - (4+2)² × 2 ÷ 4 = 46

Follow order of operations:

Parenthesis

Exponents

Multiplication

Division

Addition

Subtraction

(Note: Multiplication and division can be done in either order as well as addition and subtraction.)

First, do parenthesis and exponents:

(4 + 2)² = 36   8² = 64

Now do multiplication and division:

36 x 2 ÷ 4 = 18

Now do subtraction:

64 - 18 = 46

~ ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘꜱ! :) ♡

~ ᴄʟᴏᴜᴛᴀɴꜱᴡᴇʀꜱ

7 0
3 years ago
Read 2 more answers
654 divided by some number is 218
dimulka [17.4K]
Take 654 and divide it by 218.
654/218=3
Another way that I solve this is look at 8 and see what number times 8 have 4 at the end. 3x8=24. Check and see. 218x3=654.
5 0
3 years ago
Need answers to the ones that i haven’t written anything for
Trava [24]

Answer:

domain - (-infinity,infinity)

range - (-infinity, 2]

axis of sym - x=-1

y int - (0,-1)

at what value (row 1) - (-1,2)

Step-by-step explanation:

domain is side to side, it never ends bc of the arrows

range is top to bottom, there is no bottom bc of the arrow, but it has a top at 2 (the value on the y axis)

the axis of sym is basically the line that runs through the vertex, it's where you could fold it in half and it would still match up

8 0
3 years ago
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