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8_murik_8 [283]
3 years ago
6

How to write it’s inverse

Mathematics
1 answer:
seropon [69]3 years ago
8 0
F(x) = sqrt(4-x)

You can get this by switching f(x) and x and then solving for f(x).
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All sides of ABC are tangent to circle P.<br> What is the perimeter of the triangle below?
arlik [135]

I got an answer of 58.

Subtract 10 from the side length of 24 to get 14.

And use the side length of 5 to find another side length that also equals 5.

In total all your side lengths would be 10,5,5,24,14. And all of them together to arrive at an answer of 58.

6 0
3 years ago
Maya is solving the quadratic equation by completing the square.
kvasek [131]

Step-by-step explanation:

factor 4 out of the variable terms, as this helps.

but my approach is simply to define the target and then calculate "backwards".

we want to find

(ax + b)² = a²x² + 2abx + b²

and now we compare with the original equation :

a²x² = 4x²

a² = 4

a = 2

2abx = 16x

2×2×bx = 16x

4b = 16

b = 4

b² = 16, but we have only 3, so we need to subtract 16-3 = 13 from the completed square.

so, our equation is

(2x + 4)² - 13 = 0

(2x + 4)² = 13

2x + 4 = sqrt(13)

2x = sqrt(13) - 4

x = sqrt(13)/2 - 2

6 0
2 years ago
Myq-eimh-otm<br><br> a.l.l<br> a.l.o.u.l.d
Orlov [11]
Yesssssssssssssssssssssssssss
7 0
3 years ago
Can someone please help me?
bulgar [2K]

Solution:

<u>Given:</u>

  • 18 = 2b

<u>Solve the equation by isolating the variable.</u>

  • => 18 = 2b
  • => 2b/2 = 18/2
  • => b = 9

The value of b is 9.

Hoped this helped!

6 0
2 years ago
A student measured the dimensions of a table and recorded the length as 103.50cm and the width as 73.75cm. according to the stud
PolarNik [594]
The table is usually the shape of a rectangle. The area is equal to the length times the width. To make sure, let's recalculate the solution.

Area = length × width
Area = 103.50 cm × 73.75 cm
Area = <span>7,633.125 cm</span>²

So, we established that the answer is correct. Now, I'll introduce the concept of significant figures. There are rules regarding significant figures to be applied conventionally in measurements and calculations. This is to increase precision of the data. Significant figures are digits that carry meaning. When you are given data with a specific number of significant figures, the final answer should also contain the same number of significant figures. In convention, the rule says that the zero's after non-zero digits after the decimal point are significant. Also, all non-zero digits are significant. The value 103.50 has 5 significant figures, and 73.75 has 4. When it comes to multiplication, the answer should contain the least significant figures. So, we should have 4 significant figures. Therefore, the final answer to be reported should be 7,633 cm².
8 0
3 years ago
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