Solve each of these equations, giving your answers correct to 3 sf. a. 10 x = 75

Question:

Solve each of these equations, giving your answers correct to 3 sf.

a. 10^x = 75

b. 10^x = 300

c. 10^x = 720

d. 10^x = 15.6

e. 10^x = 0.02

f. 10^x = 0.005

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For book-img-for-question

Cambridge IGCSE And O Level Additional Mathematics Coursebook

ISBN: 9781108411660

2nd Edition

Authors: Sue Pemberton

See More Books

Question Posted: Aug 25, 2021 01:48 AM

See More Questions

Solve, giving your answers correct to 3 sf. a. ln x 3 + ln x = 5 b. e 3x+4 = 2e x- 1 c. ln(x + 5) ln x = 3
Solve, giving your answers correct to 3 sf. a. 4 x 3(2 x ) 10 = 0 b. 16 x + 2(4 x ) 25 = 0 c. 9 x 2(3 x+1 ) + 8 = 0 d. 25 x + 20 = 12(5 x )
Solve, giving your answers correct to 3 sf. a. 2 x = 70 b. 3 x = 20 c. 5 x = 4 d. 2 3x = 150 e. 3 x+1 = 55 f. 2 2x+1 = 20 g. 7 x-5 = 40 h. 7 x = 3 x+4 i. 5 x+1 = 3 x+2 j. 4 x-1 = 5 x+1 k. 3 2x+3 = 5...
A horizontal cross section of a concrete bridge pier is a regular hexagon (six sides, all equal in length, and all internal angles are equal), each side of which is 2.50 m long. If the height of the...
The following reaction has an equilibrium constant Kc equal to 3.07 104 at 24oC. For each of the following compositions, decide whether the reaction mixture is at equilibrium. If it is not, decide...
Guerda owns 1,500 shares of Ditchdirt common stock. During the current year, she sells 500 shares of the stock for $15 per share and pays a commission of $300 on the sale. Guerda had purchased the...
What is the magnetic potential energy stored in a cylindrical volume of height $b_{\text {cylin }}=50 \mathrm{~mm}$ and radius $R_{\text {cylin }}=24 \mathrm{~mm}$ that symmetrically surrounds an...
Mr. Beautiful, an organization that sells weight training sets, has an ordering cost of $40 for the BB-1 set. (BB-1 stands for Body Beautiful Number 1.) The carrying cost for BB-1 is $5 per set per...
a) Explain the difference between quantum Mechanics and Classical Mechanics b) Explain the Bohr's form of quantization of Energy [4 mks] [3 mks] c) Calculate the penetration distance for a very small...
X in State A and Y in State B plan to enter into a contract. What can they do to avoid the impact of fluctuations in the value of their money of account?
Convert from logarithmic form to exponential form. a. log 2 4 = 2 b. log 2 64 = 6 c. log 5 1 = 0 d. log 3 9 = 2 e. log 36 6 = f. log 8 2 = 1/3 g. log x 1 = 0 h. log x 8 = y i. log a b = c
Use a calculator to evaluate correct to 3 sf. a. ln 4 b. ln 2.1 c. ln 0.7 d. ln 0.39
In what respects are the models used to calculate economic capital for market risk, credit risk, and operational risk likely to be different from those used to calculate regulatory capital?
Discuss the potential tax benefits and challenges faced by consolidated companies. How do companies navigate complex tax regulations to optimize their tax positions?
Explain the role of deferred taxes in the context of consolidated financial statements. How do temporary and permanent differences influence the tax obligations of consolidated entities?
To maximize the present worth of an investment, what would we like to take a depreciation deduction? At the beginning of an asset's useful life In the middle of an asset's useful life At the end of...
Questions 1: A firm has the marginal private costs MPC = 2 + q. The aggregate demand for q is AD = 10 -q. What is the market equilibrium for q? Question 2 : Producing a unit of q has the marginal...
Need a positive comment and some additional comment from Kenna, a classmate living in Delaware? If I were single, living in Delaware, and earning $35k annually, I would not be eligible for Medicaid....
Given the LU factorizations you calculated in Exercise 1.3.22. solve the associated linear systems A x = b where b is the column vector with all entries equal to 1. Exercise 1.3.22 Find the LU...
Independent random samples of sizes n1 = 30 and n2 = 50 are taken from two normal populations having the means 1 = 78 and 2 = 75 and the variances 21 = 150 and 22 = 200. Use the results of Exercise...
Relative to an origin O, the position vector of A is i 2j + 5k and the position vector of B is 3i + 4j + k. a. Find the magnitude of AB vector . b. Use Pythagoras theorem to show that OAB is a...
Show that the line through the points with position vectors 9i + 2j 5k and i + 7j + k is parallel to the line r = (16i 10j 12k).
Given that the vectors 6i 2j + 5k and ai + 4j 2k are perpendicular, find the value of the constant a.
Solve these below uestions, E. Prepare an overhead budget for July, August and September and in total for the quarter. . Prepare a selling and administrative expenses budget for July, August and...
More generally, what is the optimal choice of leverage (L*)?
WATCH: Financial management in multinational companies READ: Significance of International Finance https://www.youtube.com/watch?v=iRPie7vFkbA...

Solve each of these equations, giving your answers correct to 3 sf. a. 10 x = 75

Question:

Step by Step Answer:

a x 75 b x...View the full answer

Cambridge IGCSE And O Level Additional Mathematics Coursebook

Students also viewed these Business questions