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adell [148]
3 years ago
13

73, 81, 89, 75, 89, 86, 84, 78, 91, 78. What is the MAD

Mathematics
1 answer:
ruslelena [56]3 years ago
8 0
89 would be the correct answer
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A fountain is made up of two semicircles and a quarter circle. Find the perimeter of the fountain. Round to the nearest hundredt
brilliants [131]
So that mean 12x12=144quarter cm
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3 years ago
A sequence is defined by the recursive formula f(n+1)=f(n)-2. If f(1)=18, what is f(5)?
N76 [4]

Answer:

f(5)=10

Step-by-step explanation:

A sequence is defined by the recursive formula f(n+1)=f(n)-2

If f(1)=18, then

for n=1: f(2)=f(1+1)=f(1)-2=18-2=16

for n=2: f(3)=f(2+1)=f(2)-2=16-2=14

for n=3: f(4)=f(3+1)=f(3)-2=14-2=12

for n=4: f(5)=f(4+1)=f(4)-2=12-2=10

7 0
3 years ago
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Does anyone know how to do this <br><br>csc x ( sin x + cos x) = 1 + cot x ​
Dima020 [189]

9514 1404 393

Explanation:

Use the identities ...

  csc(x) = 1/sin(x)

  cot(x) = cos(x)/sin(x)

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  \csc(x)(\sin(x)+\cos(x))=1+\cot(x)\\\\\dfrac{1}{\sin(x)}(\sin(x)+\cos(x))=1+\cot(x)\\\\\dfrac{\sin(x)}{\sin(x)}+\dfrac{\cos(x)}{\sin(x)}=1+\cot(x)\\\\1+\cot(x)=1+\cot(x)

8 0
3 years ago
What is the equation for the line in slope-intercept form? Enter your answer in the box.
klio [65]

Step-by-step explanation:

let eqn be y = mx + b.

m = (5 - (-11))/(0 - 4) = -4

sub (0, 5):

5 = -4(0) + b

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therefore, eqn is y = -4x + 5

Topic: coordinate geometry

If you like to venture further, do check out my insta (learntionary) where I regularly post useful math tips! Thank you!

6 0
2 years ago
Read 2 more answers
Write and expression to find the perimeter of a rectangle with a length of 8 mm and width of x mm
Mrrafil [7]

Answer:

P=16+2x

Step-by-step explanation:

The formula for finding the perimeter of a rectangle is P=2l+2w.

Plug the length of 8 and the width of x into the formula.

You'll get P=2(8)+2(x).

Multiply. 2•8=16 and 2•x=2x.

Your expression is P=16+2x.

I hope this helps.

3 0
3 years ago
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