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monitta
3 years ago
7

PLEASE HELP!!! (9r^3 - 59r^2 - 30r + 7) / (r - 7)

Mathematics
1 answer:
Xelga [282]3 years ago
8 0
Go to math papa it really helps

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In a set of real numbers, the first number less then -3 is -4<br> true <br> or<br> false
Annette [7]

Answer:

true

Step-by-step explanation:

the bigger the number of a negative integer, the smaller the value become

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3 years ago
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Angles A and B are complementary angles in a right triange. The value of cos(A) is 12/13. What is the value of Tan(A)
Orlov [11]
Using the pythagorean identity, we can find the value of sin(A)

cos^2(A) + sin^2(A) = 1
(12/13)^2 + sin^2(A) = 1
144/169 + sin^2(A) = 1
sin^2(A) = 1 - 144/169
sin^2(A) = 169/169 - 144/169
sin^2(A) = (169 - 144)/169
sin^2(A) = 25/169
sin(A) = sqrt(25/169)
sin(A) = 5/13

Which is then used to find tan(A)

tan(A) = sin(A)/cos(A)
tan(A) = (5/13) divided by (12/13)
tan(A) = (5/13)*(13/12)
tan(A) = (5*13)/(13*12)
tan(A) = 5/12

The final answer is 5/12

5 0
3 years ago
How many dimensions does a polygon have?
Verdich [7]
A polygon is a 2-dimension figure....
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As an estimation we are told 5 miles is 8 km. <br> Convert 37.5 miles to km.
Tcecarenko [31]

Answer:

60.3504

Step-by-step explanation:

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3 years ago
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A = 81 square in.

s = sqrt(A)

s = sqrt(81)

s = 9 in.
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2 years ago
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