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Alenkinab [10]
3 years ago
7

Suppose the radius of a circle is 5. What is its circumference?

Mathematics
2 answers:
IRINA_888 [86]3 years ago
4 0

Answer:

The circumference of the circle is 31.42

Step-by-step explanation:

use 2πr to find the circumference of a circle. since you know the radius is 5, put the 5 were the r is and put the formula into a calculator.

2π(5) = 31.42

shutvik [7]3 years ago
4 0

Answer:

10π units

Step-by-step explanation:

Circumference = 2πr

Circumference = 2 * 5 * π

Circumference = 10π

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Convert 59 degrees in Fahrenheit to Celsius temperature using the formula F=9/5c+32.
nataly862011 [7]

Answer:

15° C.

Step-by-step explanation:

To do this, we will need to plug in and solve.

59 = 9/5c + 32

Isolate the variable by subtracting 32 by both sides:

27 = 9/5c.

Divide both sides by 9/5, giving you:

15° C.

3 0
3 years ago
EMERGENCY HELP! A steady stream of water flows into a partially-filled rectangular tank. After 6 minutes, there are 87 gallons o
german

Answer:

y=9x+33

33 gallons of water to begin with.

Step-by-step explanation:

So we essentially are given two coordinates: (6,87) and (21,222). To find an equation, we simply need to find the slope and y-intercept. We know it's a linear equation because it's a steady stream, meaning a constant slope.

The slope is:

m=\frac{y_2-y_1}{x_2-x_1}=\frac{222-87}{21-6}=135/15=9

So, the rate at which the stream flows is 9 gallons per minute.

Now, let's find the initial amount of water. To do this, we can use point-slope form. Pick either of the two points. I'm going to use (6,87).

y-y_1=m(x-x_1)\\y-87=9(x-6)\\y-87=19-54\\y=9x+33

So, there were 33 gallons of water in the tank to begin with.

3 0
3 years ago
|2x - 3] > 7 is equivalent to:
GrogVix [38]

Answer:

x<5

Step-by-step explanation:

2x-3>7 you add three to both sides

2x>10 you then divide 2x by 2 and 10 by 2 which switches the symbol around

x<5 that's the answer

4 0
3 years ago
Read 2 more answers
It takes 1/8 tsp of baking soda to make 4 dozen cookies. How many teaspons of baking soda does it take to make 1 dozen cookies?
kari74 [83]
1/2 a tsp EASY 8 / 4 = 2
4 0
3 years ago
Read 2 more answers
Question 4
laiz [17]

Answer:

I just solved a question similar to this

Let's understand it

It's saying she got 660 or it is that her weekly pay is 660

So now let weekly pay which is P be 660

Hence the formulae is given

It's 480 + 18 (h – 30) = 660

Now its just boring calculation

If you mark it brainleist I will do the calculation for you wink wink

Never mind

480 + 18 (h – 30) = 660

18 (h – 30) = 660-480

18 (h – 30) = 120

(h – 30) = 120/18

(h – 30) = 6.6

h = 6.6+30

h= 36.6

So dam the Judy lady worked for 36.6 hours

5 0
2 years ago
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