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Advocard [28]
3 years ago
5

The radius of a circle is 11 cm. Find the circumference to the nearest tenth

Mathematics
1 answer:
Rainbow [258]3 years ago
7 0

Answer:

69.1 cm (nearest tenth)

Step-by-step explanation:

Circumference of circle= 2πr, where r is the radius.

Given that r= 11 cm,

circumference of the circle

= 2(π)(11)

= 22π

= 69.1 cm (nearest tenth)

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What is the function equation in function notation?
Yanka [14]

Answer:

y= 2x +1

By direct comparison we can see that m =2 (slope) and b =1 (intercept)

Step-by-step explanation:

Assuming the following function:

y-2x =1

We want to find the following general equation for a linear model:

y = mx +b

On this case we just need to add 2x on both sides of the original equation and we got:

y= 2x +1

By direct comparison we can see that m =2 and b =1

mx + b = 2x +1

mx=2x , m =2

b =1

the value of m on this case represnt the slope and b the intercept.

The slope is defined by the following formula:

m =\frac{\Delta y}{\Delta x}

And is the interpretation is the rate of change of y respect to x, can be positive or negative. Or the increase/decrease of y when x increase 1 unit.

And the value b=1 represent the y intercept, that means if x=0 then y =1

5 0
3 years ago
Derrick cut a square cake vertically to make two rectangle slices. Each rectangle had a perimeter of 51 inches.
PIT_PIT [208]

Answer:

17 inches

Step-by-step explanation:

Given

P = 51 --- Perimeter of rectangle

Required

The length of the original square

The perimeter is calculated as

51 = 2(L + W)

Divide by 2

25.5 = L + W

The rectangle and the square have the same length.

So:

L = 2W

25.5 = L + W becomes

25.5 = 2W + W

25.5 = 3W

Divide both sides by 3

W = 8.5

Recall that:

L = 2W

L = 2 * 8.5

L = 17

8 0
3 years ago
What is the probability of having an odd number in a single toss of a fair die?
mel-nik [20]
If I'm not mistaken, the correct answer would be the probability is 3/6 or 1/2. Hope this helps :D
7 0
3 years ago
What would the points be if y=2x-5 domain's are : -2, -1, 0, 1, 2,
cupoosta [38]

Answer:

-9, -7, -5, -3, -1

4 0
3 years ago
7,4,5,2x,11, is 15 find the value of x​
sergejj [24]

Answer:

don't understand

but mean = <u>summation x</u>

total number

15=<u>7+4+5+2x+11</u>

5

15=<u>27+2x</u>

5

multiply both sides by 5

15×5=<u>2</u><u>6</u><u>+</u><u>2</u><u>x</u> ×5

5

75=26+2x

75-26=2x

<u>49</u>=<u>2x</u>

2. 2

x= 24.5

4 0
2 years ago
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