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DerKrebs [107]
2 years ago
13

Find the solution to 3 ^-x = x^ 3 + x to the nearest tenth.

Mathematics
1 answer:
galben [10]2 years ago
6 0

We can rewrite this by subtracting the right side to get

... 3^(-x) -x^3 -x = 0

A graphing calculator shows this to have a solution near x=0.5.

_____

There are no algebraic means for solving such a combination of exponential and polynomial functions.

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Find the sum and Express it in simplest form. (u^3+3u^2+3) + (-6u^3-8u^2)
Nady [450]

Answer:

-5u^3 - 5u^2  + 3.

Step-by-step explanation:

(u^3 + 3u^2 + 3) + (-6u^3 - 8u^2)

= u^3 + 3u^2 + 3 - 6u^3 - 8u^2

= u^3  - 6u^3 + 3u^2 - 8u^2 + 3

= -5u^3 - 5u^2  + 3.

5 0
3 years ago
A 12 ounce ice cream sundae is 3/4 ice cream. How many ounces of ice cream does the sundae contain?
andreyandreev [35.5K]

Answer:

12 x 3/4 = 9

glad  i could help!

brainliest please ?

5 0
2 years ago
Help me with this please!!
soldier1979 [14.2K]
Its the first one. A
7 0
2 years ago
The larger of two number is 12 more than the smaller number.if the sum of the two numbers is 74, find the two numbers
Mars2501 [29]
<h3><u>The value of the smaller number is 31.</u></h3><h3><u>The value of the larger number is 43.</u></h3>

y = 12 + x

y + x = 74

Since we have a value for y, we can plug it into the second equation

12 + x + x = 74

Subtract 12 from both sides.

x + x = 62

Combine like terms.

2x = 62

Divide both sides by 2.

x = 31


Now that we have a value of x, we can plug it into the original equation to get a value for y.

y = 12 + 31

y = 43

3 0
3 years ago
Which transfromations tranforms the graph of f(x)=x^2 to the graph of g(x)=(x+4)^2?
wariber [46]

<em>Greetings from Brasil...</em>

In function F(X) = X², if we replace X with X + 4 we will have exactly function G(X) = (X + 4)²

So, just replace X for X + 4..... This will be responsible for translating 4 units to the left, because:

F(X) = X²

F(X + 4) = (X + 4)²

F(X + 4) ⇔ F(X + k)  <em>  see below</em>

We know that the translations are established as follows:

→ Horizontal

F(X + k) ⇒ k units to the left

F(X - k) ⇒ k units to the right

<em>see more:</em>

<em>brainly.com/question/17163323</em>

4 0
3 years ago
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