Calculate the product below and give your answer in scientific notation.
1 answer:
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Answer:
Q.1.
Sum of angles of a triangle = 180°
∠A + ∠B + ∠c = 180
(3x - 9) + (4x + 15) + 90 = 180
3x - 9 + 4x + 15 + 90 = 180
7x + 96 = 180
7x = 84
x = 12
∠A = 3x - 9 = 3(12) - 9 = 36 - 9 = 27°
∠B = 4x + 15 = 4(12) + 15 = 48 + 15 = 63°
∠A = 27°
∠B = 63°
Q.2.
x = 14
y = 60°
Answer:
a. 24.5 $
b. 10.5 $
c. 7/10
Step-by-step explanation:
Given the original price of the sweater is: $ 35.
a) If you pay only of the price, then the actual amount paid is:
= 24.5 $.
b) Total amount Saved = Actual price - Price you paid
Total Amount Saved =
= 10.5 $.
c) Fraction of the original price saved = Total amount Spent/Actual Price
Total amount Saved =
=
(5,0) and (10,-10) is on the line and (5,0) is not so the answer is (5,0)
