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2 years ago

What decimal is equal to 7/9

Mathematics

2 answers:

Flura [38]2 years ago

7 0

Answer: 0.777

Step-by-step explanation: 1/9 is 0.111 so 7/9 would be 0.777

nekit [7.7K]2 years ago

6 0

7/9 = 0.77777778

honestly i just googled this

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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

2 years ago

5a/5a+5 x 10a +10/10

DIA [1.3K]

Answer: 50a+2

Step-by-step explanation:

1. Simplify 5a5a\5a5a to 1.

1+5×10a+10

2.Simplify 5×10a to 50a.

1+50a+10

3.Cancel 10.

1+50a+1

4. Collect like terms.

50a+(1+1)

5. Simplify.

50a+2

6 0

2 years ago

Read 2 more answers

What is the volume of the cylinder below?

Anestetic [448]

Volume = πr²h

3.14 * (18 : 2)² * 12 =

3.14 * 9² * 12 =

3.14 * 81 * 12 =

254.34 * 12 =

3052,08 mm³

7 0

2 years ago

Read 2 more answers

Pls help being timed

IRINA_888 [86]

the answer is C. 1 6/35

8 0

3 years ago

What key features will all continuous exponential functions have?

Hoochie [10]

Answer:

The graph passes through the point (0,1)
The domain is all real numbers.
The range is y>0.
The graph is increasing.
The graph is asymptotic to the x-axis as x approaches negative infinity.
The graph increases without bound as x approaches positive infinity.
The graph is continuous.

7 0

2 years ago