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56: 51
the town librarian bought a combination of new-release movies on dvd for $20 and classic movies on dvd for $8. let x
represent the number of new releases, and let y represent the number of classics. if the librarian had a budget of $500 and
wanted to purchase as many dvds as possible, which values of x and y could represent the number of new-release and
classic movies bought?
o x = 8, y = 45
o x = 10, y = 22
o x = 16, y 7 22
o x = 18, y = 18

51

step-by-step explanation:

73-22=51 the   mass number minus the amount of protons gives you the amount of neutrons

m∠cdf = 43° , m∠gdf = 114°, m∠gde = 23°, m∠edh = 23° , m∠cdh = 157°

step-by-step explanation:

since, it is given that de bisects the angle gdh ⇒ de divides the angle gdh into two equal angles.

⇒ m∠gde = m∠edh

⇒ 8·x   - 1 = 6·x + 5

⇒ x = 3

so, m∠gde = 8·x - 1 = 23°

and m∠edh = 23°

now, it is given ∠cde is an straight angle so, m∠cde = 180°

⇒ m∠cdf + m∠fdg + m∠gde = 180°

⇒ 43° + m∠fdg + 23° = 180°

⇒ m∠fdg = 114°

again, m∠cde = m∠cdh + m∠edh = 180°

m∠cdh + 23° = 180°

⇒ m∠cdh = 157°

0.6

39mph

step-by-step explanation: