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Ronch [10]
3 years ago
6

40 POINTS!!! PLEASE HELP What is the value of y? 40 60 120 140

Mathematics
2 answers:
umka21 [38]3 years ago
6 0
What is the value of y?
The answer is 60
Yakvenalex [24]3 years ago
4 0

Answer:

60°

Step-by-step explanation:

The angle y°;

;A straight line makes an angle of 180°....so hence the angle y°

; 180° - 120° = 60°

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Cho tập hợp A= { x= n² + 2 + 7 / n thuộc Z, -2 < n ≤ 3 } . Hãy viết tập hơp
olya-2409 [2.1K]

Answer:

dd

Step-by-step explanation:

4 0
3 years ago
For the function f(x)
WITCHER [35]

Given:

The function is

f(x)=\dfrac{8\sqrt[3]{x}-8}{9}

To find:

The inverse function f^{-1}(x).

Solution:

We have,

f(x)=\dfrac{8\sqrt[3]{x}-8}{9}

Step 1: Putting f(x)=y, we get

y=\dfrac{8\sqrt[3]{x}-8}{9}

Step 2: Interchange x and y.

x=\dfrac{8\sqrt[3]{y}-8}{9}

Step 3: Isolate variable y.

9x=8\sqrt[3]{y}-8

9x+8=8\sqrt[3]{y}

\dfrac{9x+8}{8}=\sqrt[3]{y}

Taking cube on both sides, we get

\left(\dfrac{9x+8}{8}\right)^3=y

y=\left(\dfrac{9x+8}{8}\right)^3

Step 4: Putting y=f^{-1}(x), we get

f^{-1}(x)=\left(\dfrac{9x+8}{8}\right)^3

Therefore, the correct option is C.

4 0
3 years ago
the length of a rectangle is 5 more than twice its width. its perimeter is 88 feet. find its dimensions
podryga [215]
Length = x; width = y
2x+2y=88
x=2y+5
4y+10+2y=88
6y=78
y=13 feet
x=26+5
x=31 feet
3 0
3 years ago
Solve the equation on the interval [0,2pi) 7sec x-7=0
never [62]

Answer:

2π or 0π are the only points that satisfy the expression, but since the restriction is 0 <= x < 2π

the answer would be 0π

3 0
3 years ago
Select all that apply.
kkurt [141]
Sample space, The counting Principle and, a table can be used
7 0
4 years ago
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