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2 years ago

Whats 1+1!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

ryzh [129]2 years ago

8 0

Answer:

♡ madeline here ♡

1+1=2 i'm so sorry i am late! ☆

have a great day! hope this helps.

- madeline/madi

✧･ﾟ: *✧･ﾟ:･ﾟ✧*:･ﾟ✧･ﾟ

Step-by-step explanation:

Licemer1 [7]2 years ago

6 0

Answer:

It equals 2.

Step-by-step explanation:

It is because when you do 1 + 2 you get 3 right? well subtract 1 from the 2. It will make 1. Then do 1 + 1. It will create the other number (2). More examples are

5 + 2 = 7 after that we subtract 7 by 1 like this: 7 - 1 = 6. Then now do this: 5 + 1 = 6.

Another example is 0 + 1. This one is hard because 0 cannot be subtracted. So we need to replace the 1 with 0 like this: 0 + 1 = 1.

If you want subtraction I got you.

2 - 1 = 1.

This relates to 1 + 1 ALOT. Division?

Here: 2 ÷ 1 = 2. This needs to be subtracted to get 1.

so.

2 - 1 = 1.

Hope you liked my answer.

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Which equation is the inverse of y = 9x2 - 4?

m_a_m_a [10]

Answer:

The inverse will be:

$y' = \frac{\sqrt{x+4}}{3}$

Step-by-step explanation:

In order to find the inverse of the equation, we do a variable change, since we are finding the inverse, :

$f(x) = 9x^{2} - 4$

$y = 9x^{2} - 4$

$x = 9y' ^{2} - 4$

Now solve for y'.

First add 4 in both sides of the equation and change to the left y'.

$x + 4= 9y'^{2} - 4+4$

$9y'^{2}$ = x + 4

Second divide by 9

$9y'^{2}$ /9 = (x + 4)/9

$y'^{2}$ = (x + 4)/9

Now you will have to clear y, with the square root.

$[tex]y'^{\frac{2}{2}} = \sqrt{x + 4} / \sqrt{9}$ [/tex] =

Simplifying terms

$y' = \frac{\sqrt{x+4}}{3}$

$f^{-1}(x) = \frac{\sqrt{x+4}}{3}$

You can check the answer by doing the evaluation of the following equation:

(f o $f^{-1}$ ) (x)

substitute the equation for y' or inverse function $f^{-1}$

f( $\frac{\sqrt{x+4} }{3}$ )

Now substitue the value into f(x)

You will have

$= 9(\frac{\sqrt{x+4} }{3}} )^{2} - 4\\\\Solving\\\\9(\frac{{x+4} }{9}} ) - 4$

5 0

3 years ago

For the base b of a logarithmic function, b>0 and b≠1 True False

STatiana [176]

True cus i don’t remember but it’s true

4 0

2 years ago

For an A.P. ,The first two term are -3, 4. The 21st term is

Dahasolnce [82]

Answer:

The 21st term is 137.

Step-by-step explanation:

Arithmetic progression:

In an arithmetic progression the difference between consecutive terms is always the same, and its called common difference.

The nth term is given by:

$a_n = a_1 + (n-1)d$

In which $a_1$ is the first term and d is the common difference.

The first two terms are -3, 4.

This means that $a_1 = -3, d = 4 - (-3) = 7$

$a_n = a_1 + (n-1)d$

$a_n = -3 + 7(n-1)$

The 21st term is

$a_{21} = -3 + 7(21-1) = -3 + 140 = 137$

The 21st term is 137.

4 0

2 years ago

What is the x-intercept of -2x 5y = 20 ? question 1 options: 10 4 -4 -10?

Ahat [919]

You mean -2x+5y=20 if it was that's how you do it
so if you're finding the x intercept the y will turn to 0 why because you're only looking for x their's no need for y
so it will be -2x+0=20
-2x=20 if it's multiplication then you change it to division
-2x/-2=20/-2
x=-10

7 0

2 years ago

F(x) = x2 + 1 g(x) = 5 – x (f – g)(x) =

Blizzard [7]

Answer:

x^2+x-4

Step-by-step explanation:

(f-g)=(x^2+1)-(5-x)

=x^2+1-5+x

=x^2+x-4

4 0

3 years ago