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sladkih [1.3K]
3 years ago
8

What is 10 multiplied by 10 divided by 5

Mathematics
1 answer:
Neko [114]3 years ago
5 0

Answer:

10×10=100

(10×10)÷5=100÷5

(10×10)÷5=20

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A group of boys picked 216 boxes of oranges. each box contained 120 oranges.how many oranges did they pick?
miv72 [106K]

Answer:

25920

Step-by-step explanation:

Multiply the two numbers

3 0
3 years ago
A piece of fabric measures 3.9 meters express this length in centimeters
gizmo_the_mogwai [7]
390 centimeters because u get centimetres out of meters u multiply by 100
6 0
3 years ago
Find the slope of the line<br>A -3<br>B 3 <br>C -2 <br>D 2​
VikaD [51]
Y=-2x-10
So it would be -2
7 0
3 years ago
[Will mark as brainliest]
Aleks04 [339]

The answer is: f^{-1} = 4x^2-3,\quad\text{for  } x \leq 0

The inverse of a function f(x) is another function, f^{-1}(x), with the following property:

f(f^{-1}(x)) = f^{-1}(f(x)) = x

In other words, the inverse of a function does exactly "the opposite" of what the original function does, and so if you compute them both in sequence you return to the starting point.

Think for example to a function that doubles the input, f(x)=2x, and one that halves it: f(x)= \frac{x}{2}. Their composition is clearly the identity function f(x)=x, since you consider "twice the half of something", or "half the double of something".

In general, to invert a function y=f(x), you have to solve the expression for x, writing an expression like x = g(y). If you manage to do so, then g is the inverse of f.

In your case, you have

f(x) = y = -\frac{1}{2}\sqrt{x+3}

Multiply both sides by -2 to get

-2y = \sqrt{x+3}

Square both sides to get

4y^2 = x+3

Finally, subtract 3 from both sides to get

x = 4y^2 - 3

Since the name of the variables doesn't really have a meaning, you can say that the inverse function is

f^{-1}(x) = 4x^2 - 3

As for the domain of the inverse function, remember what we said ad the beginning: if the original function goes from set A (domain) to set B (codomain), then the inverse function goes from set B (domain) to set A (codomain). This means that the inverse function is defined on an element in B if and only if that element belongs to the range of the original function, i.e. the set of the elements of the codomain b \in B such that there exists a \in A : f(a)=b. So, we need the range of f(x).

We know that the range of g(x)=\sqrt{x} is [0,\infty). When you transform it to g(x)=\sqrt{x+3} you simply translate the graph horizontally, so the range doesn't change. But when you multiply the function times -\frac{1}{2} you affect both extrema of the range, turning it into (-\infty,0], which you can simply write as x \leq 0

4 0
3 years ago
Type the correct answer in the box. Round your answer to two decimal places.
svp [43]

Angle TRQ is 23 degrees and the length from S to R is 3.3 units.

I need help on this too

3 0
3 years ago
Read 2 more answers
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