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DIA [1.3K]
3 years ago
14

Determine the value of z. answers: A) 57° B) 53° C) 121° D) 239°

Mathematics
2 answers:
faltersainse [42]3 years ago
8 0

Answer: a

Step-by-step explanation:

kow [346]3 years ago
6 0

Answer:

121

Step-by-step explanation:

The exterior angle  measurement is equal to the sum of the opposite interior angles

34+ 87 = z

121 = z

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F(n)=45⋅(4/5)^n−1<br> complete the recursive formula of f(n)
Radda [10]

F(1) = 45

f(n) = f(n-1) * 4/5

Step-by-step explanation:

f(n) = 45 x (4/5)ⁿ⁻¹

f(1) = 45 x (4/5)¹⁻¹ = 45 x (4/5)⁰ = 45 x 1 = 45

f (n-1) = 45 x (4/5)ⁿ⁻¹⁻¹ = 45 x (4/5)ⁿ⁻²

f(n) = f(n-1) * (4/5)¹ = 45 x (4/5) ⁿ⁻²⁺¹ = 45 x (4/5)ⁿ⁻¹

7 0
3 years ago
What is x and y 2x-3y=-1,y=x-1?
kenny6666 [7]

Answer:

1x

Step-by-step explanation:

2x-3x[x-1]

=2x-3x+1

=-x+1

=0

7 0
3 years ago
room temperature is considered to be 70 fahrenheit suppose the temperature is 23 celsius is this greater than or less than room
tatiyna

Answer:

Greater than

Step-by-step explanation:

(<em>C</em> × 9/5) + 32 = <em>F</em>

(23°C × 9/5) + 32 = 73.4°F

Therefore, 23°C is greater than room temperature (70°F).

3 0
3 years ago
Read 2 more answers
Find an explicit formula for the arithmetic sequence -11, -3, 5, 13, ....
gogolik [260]

Answer:

add 8

Step-by-step explanation:

-11 + 8 = -3

-3 + 8 = 5

5 + 8 = 13

8 0
3 years ago
The equation of a circle centered at the origin is x2+y2=64. what is the radius of the circle?
rodikova [14]
X^2+y^2=r^2
r^2=64
r=√64=8
5 0
3 years ago
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