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- A store owner bought a painting for $120. She is selling it for $190 . . .
A store owner bought a painting for $120 She is selling it for $190 What is the percent markup on the painting? Prealgebra
- Question #e395e - Socratic
When decaying by alpha emission a nucleus drops by 4 in mass number and 2 in atomic number and emits a helium nucleus (alpha particle) which has mass number 4 and atomic number 2 194 81 T l → 190 79 Au + 4 2α Notice that the total mass number, and total charge (here only indicated by the atomic numbers ) remains unchanged, just moved around If the question meant another isotope, just
- What is the mass of 211mL of a liquid that has a density of . . . - Socratic
Approx 190*g By definition, rho, is given by the quotient rho_"density"="mass" "volume", and thus has units of g*mL^-1-=g*cm^-3 And so we simply rearrange
- James and Kathryn together had $190 in a savings bank. The . . . - Socratic
James and Kathryn together had $190 in a savings bank The amount in James's account was $30 more than 3 times the amount in Katherine's account How much had each?
- What telescope was launched in 1990 and takes very detailed . . . - Socratic
Hubble space telescope was launched on 24th April 1990 Space shuttle discovery put the Hubble telescope in earth orbit ' It is still in service since it is above Earth's atmosphere it is not disturbed by light pollution, clouds
- Question #aba65 - Socratic
2x+4 'Twice a number' would be 2 multiplied by an unknown, or x 'Four more' is adding 4
- Question #7f190 - Socratic
As 52 + 122 = 132, the Pythagorean theorem is satisfied and we have a right angled triangle APB This means that both AP and PB are perpendicular to AB Eq1 = 0 008k 0 052 = 3 2k Eq2 = 0 005k 0 122 = 0 347222k We apply the Pythagorean theorem to find the magnitude of E : |E| = √0 3472222k2 + 3 22k2 = 3 2188k k = 9 0 ⋅ 109N m2 C2 The directionof E is almost along AP, though there is an
- How do you simplify t^ { \\frac { 13} { 5} } \\cdot t ^ { \\frac { 11 . . .
t15 5 ⋅ t11 7 ⇒ t15 5 + 11 7 ⇒ t135 35 + 55 35 ⇒ t190 35 ⇒ t38 7
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