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DerKrebs [107]
3 years ago
13

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

Mathematics
1 answer:
galben [10]3 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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a man spends ⅕ of his salary on shoes and ⅔ on school fees. what is the fraction of his salary left. pls help asap​
svet-max [94.6K]

Answer:

2/15

Step-by-step explanation:

1/5 + 2/3

= 3/15 + 10/15

= 13/15

15/15 - 13/15

= 2/15

4 0
3 years ago
Read 2 more answers
I NEED THIS ANSWER ASAP
telo118 [61]

Answer:

3 quarts and 3 cups

Step-by-step explanation:

4 cups=1 quart

Capacity: 5x4+2=22 cups

Right now 1x4+3=7

22-7=15 cups

12/4 +3

3 quarts and 3 cups more

6 0
3 years ago
Annabel and Riley were given a homework packet of 120 math questions to finish over the summer.
Lena [83]

Step-by-step explanation:

the answer is 25%

hope it helps!

7 0
3 years ago
I Need Some Help!!!!!!!!!
ehidna [41]

Answer:

median = 50

difference in the quartiles = 45

Step-by-step explanation:

The median amount is the line in the middle of the box

The median is 50

The difference between the upper quartile and the lower quartile is the difference between the right end of the box and the left end of the box

65-20 = 45

4 0
3 years ago
Consider the sequence whose first five terms are shown. -59 ,-67 ,-65 ,-53 ,-31 ,... The first term is ____ To calculate the sec
GaryK [48]

Step-by-step explanation:

The sequence is as follows :

-59 ,-67 ,-65 ,-53 ,-31 ,...

The first term = -59

The second term = -67

Common difference = second term - first term

=-67-(-59)\\\\=-8

To calculate the second term add (-8).

To calculate each additional term, increase the amount added by -8.

7 0
3 years ago
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