Questions and answers by

monique n

Questions (17)

how do i solve the following problems?a^5+6a^4+5a^3=0 t^5-256t=0 y^3-512=0 z=8(root)z+240
1. 2 answers
2. 397 views
how would you solve this??? in short and long form?238 12 (4) 1 92 U + 6 C ---> 0 N + _____
1. 1 answer
2. 347 views
Mercury-197 is used for kidney scans and has a half-life of 3 days. if the amount of mercury-197 needed for a study is 1.0 grams
1. 1 answer
2. 2,109 views
Iodine-131 is used to destroy thyroid tissue in the treatment of an overactive thyroid. the half-life of iodine-131 is 8.02
1. 4 answers
2. 1,826 views
Calculate the atomic mass of iridium. Iridium has two isotopes. Iridium-191 has a mass of 191.0 amu and a percent abundance of
1. 2 answers
2. 2,071 views
magnesium has 3 isotopes. Magnesium-24 has a percent abundance of 78.99%. Magnesium-26 has a percent of 11.01%. what is the
1. 3 answers
2. 3,598 views
show that the mass number and the number of protons are conserved in the following nuclear equation:234 230 4 92 U-----> 90 th +
1. 1 answer
2. 2,177 views
how many more neutrons does thorium-230 have then protons? how many electrons does thorium-230 have?
1. 1 answer
2. 652 views
how many protons, electrons, and neutrons are in the following isotopes.uranium-235 hydrogen-3 silicon-29
1. 4 answers
2. 1,687 views
name each isotope, and write it in symbolic notationatomic number 26; mass number 56 atomic number 29; mass number 64 atomic
1. 4 answers
2. 2,733 views
how do i do this:give the number of protons, electrons, and neutrons in each of the following atoms. 108 47 Au 40 20 Ca 23 11 Na
1. 3 answers
2. 482 views
what is the additive and multiplicative inverse of-8 and 1.5
1. 1 answer
2. 987 views
what is...2(14 sq. rt 3 /3)
1. 1 answer
2. 286 views
Find the value of x in each right triangle.A.) short leg= 8 hyp= x and one angle equals 42 B.) short leg= 12 long leg= x and one
1. 0 answers
2. 531 views
x^2-13x-30=0A. -3,-10 B. 3,10 C. -15,2 D. 15,-2 x^+7x-18=0 A. -9,2 B. -6,3 C. -3,6 D. -2,9
1. 2 answers
2. 417 views
In the same location at the same time of day, two trees casts a shadow. The 60-ft tree casts a 12 ft shadow, and the other trees
1. 6 answers
2. 661 views
a movie theater sells tickets for $9.00 each. Senior citizens receive a discount of $3.00. One evening the theater sold 636
1. 2 answers
2. 4,695 views