Posted by **Lucy** on Saturday, March 29, 2008 at 6:41pm.

Solve, round to 4 decimal places if necessary:

3.9^m-4=10.21

Answer:

(m-4)In(3.9)=In(10.21)

m(In3.9)-4(In3.9)=In(10.21)

m=(In10.21)+4(In3.9)/In3.9

m=7.7672/1.3609

m=5.7074

e^3x>=21

Answer:

Ine^3x>=21

3x=In21

x=In21/3

x=1.0148

Thanks

## Answer This Question

## Related Questions

- math - a vase in the shape of a cube has a side measuring of 7 inches which of ...
- Math - What is the volume of the right prism? 15in 17in 10in 8in a. 1200 in3 b. ...
- MATH - a vase in the shape of a cube has a side measuring of 7 inches which of ...
- Calculus - A rectangular box has a square base whose edge has length at least ...
- chem - How many pounds does 40.9 in3 of gold weigh? (The density of gold is 19.3...
- Help last questions( check) - What is the volume of the right prism? 15in 17in ...
- chemistry - A tank holds 52.9 cm3 of water. What is the volume in in3? (2.54 cm=...
- geometry - The volumes of two spheres are 729 in3 and 27 in3
- geometry - 01:34:47 The volumes of two spheres are 729 in3 and 27 in3. What is ...
- Geometry - Given the volume of two cubes, find the scale factor. 6) V = 343 in3 ...

More Related Questions