kcat4863 kcat4863

15-12-2017
Mathematics

contestada

How many positive integers less than 1,000,000 have ex- actly one digit equal to 9 and have a sum of digits equal to 13?

Respuesta :

vunderkid vunderkid

19-12-2017

In one million there are 420 positive numbers with the sum of their digits equal to 13 and with one digit equal to 9

Answer Link

Otras preguntas

. into what blocks can the periodic table bedivided to illustrate the relationship between theelements' electron configurations and their place-ment in the peri

Find and correct the mistakes. Rewrite the sentences. In this activity you will be graded on capitalization (lowercase and UPPERCASE). Did Auntie Kay used to co

3 persons bought a car. One paid 1/3, one paid 2/5. how much did the 3rd person pay?

Select the line that is equivalent to 3x – 4y = 8. y equals short dash 3 over 4 x plus 2 y equals 3 over 4 x minus 2 y equals short dash 4 over 3 x plus 8 over

What is the total cost of a $721 tablet computer that is on sale at 11% off if the local sales tax rate is 7%?

This involves 3 classes of level each with a different purpose and mechanical advantage

Use right triangle ABC with altitude CD 26. Given AD = x and DB = y, write an expression for each measure. a. CD b. AC c. BC

Arrange the following roman numerals in descending order a) XXXII b) XIX C) LXVI D)XLVI E)XCII

Which of the following is NOT an example of our innate immunity? Which of the following is NOT an example of our innate immunity? T and B lymphocytes Acute i

round 5026 to the correct place value