Answer:
The Truman Doctrine was an American foreign policy whose stated purpose was to counter Soviet geopolitical expansion during the Cold War. It was announced to Congress by President Harry S. Truman on March 12, 1947, and further developed on July 4, 1948, when he pledged to contain threats in Greece and Turkey.
Explanation:
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Answer:
Store D: $ 81.22
Store C: $ 81.89
Store B: $ 84.47
Store A: $ 84.99
Explanation:
Store A: 99.99 - (0.15 x 99.99) = $84.99
Store B: 95.99 - (0.12 x 95.99) = $ 84.47
Store C: 90.99 - ( 0.1 x 90.99) = $ 81.89
(Store D: 89.99 - (0.05 x 89.99) = $ 85.49
2nd discount store D: 85.49 - (0.05 x 85.49) = $ 81.22)
The value of the four integers are; Triangle = 1; Diamond = 5; Square = 2; Clubsuit = 7
<h3>How to solve simultaneous equations?</h3>
We are given the equations;
Triangle + Triangle + Triangle + Triangle + Triangle = Diamond
Triangle + Square + Square = Diamond
Square + Diamond = Clubsuit
If triangle is T, Diamond is D, Square is S and Clubsuit is C, then we have;
5T = D ..... (eq 1)
T + 2S = D .... (eq 2)
S + D = C ......(eq 3)
Equations (1) and (2) are equal. Thus;
5T = T + 2S
4T = 2S
2T = S
T = S/2
Put T + 2S for D in equation (3):
S + T + 2S = C
3S + T = C
3S + S/2 = C
7S/2 = C
Since they are all integers from 1 to 9, it means that T cannot be more than 1 because 5T = D. Thus; T = 1
1 = S/2
S = 2
C = 7 * 2/2
C = 7
D = 5
Read more about Simultaneous equations at; brainly.com/question/148035
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Answer:
Smoke hood. Garrett Morgan invented a safety hood smoke protection device after seeing firefighters struggling from the smoke they encountered in the line of duty. ... Disguised as Big Chief Mason, he would enter the tent full of black smoke, and would remain there for 20 minutes before emerging unharmed.
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