cindyc1103
20.05.2021 •
Mathematics
Please help!
Choose an expression that is equivalent to: -(2b^2-b) - (2b^2 + 5b)
A: -4b^2 + 4b
B: -4b^2 + 6b
C: 4b
D: -4b^2 - 4b
Btw: this icon “^” Indicates the number is a square root after the icon
Solved
Show answers
More tips
- H Health and Medicine What vaccines do children need?...
- H Health and Medicine Reasons for the Appearance of Warts: Everything You Need to Know...
- G Goods and services What Are the Most Popular Services?...
- O Other What is the oldest joke ever told?...
- L Legal consultation How to Properly Inherit: Tips and Recommendations...
- C Computers and Internet Boost your processor performance with these easy tips...
- S Sport How does Bodyflex work: what is it and how does it work?...
- H Health and Medicine How to Whiten Teeth and Get the Perfect Smile...
- S Style and Beauty How to Properly Apply Eye Makeup: Tips from a Professional Makeup Artist...
- A Auto and Moto How Can Parking Sensors Help Drivers?...
Answers on questions: Mathematics
- M Mathematics The region that lies inside the cardioid requals9 plus cosine theta and outside the circle r equals 9 is the base of a solid right cylinder. The top of the cylinder lies in the...
- M Mathematics For the function f(x)=5x^2-7x, what is f(-3)? *...
- M Mathematics 13 ft 5 ft 5 ft Surface Area:...
- M Mathematics Assume a warehouse operates 24 hours a day. Truck arrivals follow Poisson distribution with a mean rate of 36 per day and service (unloading using a single bay) operations follow...
- M Mathematics Name each polynomial by degree and number of terms. -5a + 5a^2 + 2 - 3a^4 1)quartic trinomial 2)cubic polynomial with four terms 3)quartic polynomial with four terms 4)linear polynomial...
- M Mathematics Consider the following general matrix equation: ⎡⎣⎢⎢[ a1 ⎤⎦⎥⎥] a2 == ⎡⎣⎢⎢[ m11 m12 ⎤⎦⎥⎥] m21 m22 ⎡⎣⎢⎢[ x1 ⎤⎦⎥⎥] x2 which can also be abbreviated as: A=MX By definition, the determinant...
- M Mathematics Rodrigo practiced playing guitar 15 1/3 hours over the past 3 weeks. he practiced for 6 1/4 hours during the first week and 4 2/3 during the second week. how much time did rodrigo...
- M Mathematics Calculate the slant height for the given square pyramid. round to the nearest tenth. pyramid base = 6 cm height = 5 cm a. 6.2 cm b. 5.8 cm c. 7.8 cm d. 7.2 cm...
- M Mathematics Acomputer system requires that passwords contain at least one digit. if eight characters are generated at random, and each is equally likely to be any of the 26 letters or 10 digits,...
- M Mathematics If a couple plans to have 9 children, what is the probability that there will be at least one girl? assume boys and girls are equally likely. is that probability high enough for...
Ответ:
Ответ:
a 20% chance
Step-by-step explanation:
All you need to do is 2/10 = .2 = 20%
We do this because if 2 chose to read and there are 10 kids.