linnyyyy linnyyyy
  • 02-12-2021
  • Mathematics
contestada

Use logarithms to find the exact solution for 7(17^−9)−7=49.

Respuesta :

mimii75 mimii75
  • 02-12-2021
ANSWER: x = -0.082


EXPLANATION:

1. Apply logarithm to both sides of the
equation. If one of the terms has base 10,
use common logarithm, otherwise, use
natural logarithm

2. Use the different properties of logarithms
to solve for the variable.

17
-92 _ 7 = 49
7.17-92 = 56
17-92 = 8
10g17(8)
-92
2
log, 7(8)
-9
log(8)
log(17)
-9
I=
-0.082
2 of 3
Add both sides by 7
Divide both sides by 7
Convert to logarithm
Divide both sides by - 9
Answer Link

Otras preguntas

Decrease £120 by 45%
What does an acid+base make
A restaurant has two pastry ovens. When both ovens are used, it takes about 3 hours to bake the bread needed for one day. When only the large oven is used, it t
You begin solving the equation 4 – 5x = 59 by subtracting 4 from both sides. Which is the best choice for Step 2?
Which measurement is not equal to 3 m 30 dm or 300 cm or 3000 mm or 3000 cm
Write each decimals as a fractions or a mixed number. 26.3 and 7.104 >> help <
Why is carbon unique among the elements?????
A man exchanged a dollar bill for change and received 7 coins, none of which were half dollars. How many of these coins were dimes?
A merry-go-round makes 18 rotations in 3 minutes. What is its angular speed in rpm?
Water Cycle: As ___________ cools, it changes back to liquid form. Drops come together to form ________.