felisahunter felisahunter

03-09-2020
Mathematics

contestada

Keith sold half of his comic books and then bought nine
more. He now has 20. How many did he begin with?

Respuesta :

birdgod birdgod

03-09-2020

Answer:

22 comic books.

Step-by-step explanation:

(20 - 9) * 2 First subtract 9 from 20

11 * 2 Multiply 11 by 2

22 is the product

Answer Link

Otras preguntas

Solve each quadratic equation by factoring and using the zero product property. x^2 + 18x = 9x

Each of the following data sets has a mean of x = 10. (i) 8 9 10 11 12 (ii) 7 9 10 11 13 (iii) 7 8 10 12 13 (a) Without doing any computations, order the data s

The revolutions in Latin America in the 19th century resulted in political independence from Europe the end of slavery in each country the establishment o

what’s the answer to this

This is the belief that a nation must develop and maintain a strong military force in order to pursue and defend its national interests.

In ΔABC shown below, ∠BAC is congruent to ∠BCA: Triangle ABC, where angles A and C are congruent Given: Base ∠BAC and ∠ACB are congruent. Prove: ΔABC is an i

What type of light does this light bulb produce most (i.e. at what wavelength does the spectrum have maximum intensity)?

A student is given an assignment to demonstrate diffraction. He takes a photograph of a straw in a glass of water. The straw appears bent at the water level. Wh

a. Plot the data for the functions f(x) and g(x) on a grid and connect the points. x -2 -1 0 1 2 f(x) 1/9 1/3 1 3 9 x -2 -1 0 1 2 g(x) -4 -2 0 2 4 b. Which fun

essay about how to keep environment clean and safe?