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jek_recluse [69]
3 years ago
7

Can someone solve, explain and show their work? I don't understand why my answers are wrong.

Mathematics
1 answer:
neonofarm [45]3 years ago
6 0

Multiply 14 (the price of gas in 2000) by 19.9% (the price as a percentage of the 2000 price). 14 times 0.199 is 2.786. Therefore, it would cost $2.79 to fill the same gas tank in 1960.

Not 100% sure if this answer is correct, but this is what I got.

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Craig went out to a restaurant for dinner. He tipped 16% of his bill, which brought the sum of the dinner bill plus the tip to $
alexira [117]
$22.50

You can get this by dividing the new total by 116%, which is how much of the bill was paid. 
4 0
4 years ago
Rewrite the function by completing the square. h(x)= x^{2} +3 x -18 left parenthesis, x, right parenthesis, equals, x, squared,
ludmilkaskok [199]

Answer:

  h(x) = (x +1.5)^2 -20.25

Step-by-step explanation:

We assume you want to rearrange h(x)= x^2 +3x -18.

Recognize the coefficient of x is 3. Add and subtract the square of half that. (3/2)^2 = 9/4 = 2.25

  h(x) = (x^2 +3x +2.25) -18 -2.25

Now, write the expression in parentheses as a square, simplify the constant.

  h(x) = (x +1.5)^2 -20.25 . . . . . . . . vertex form

4 0
3 years ago
(8.88×10^4) + (7.48×10^4)
podryga [215]
1.636x10^5 after adding or 163600 depending on the form wanted
4 0
3 years ago
m∠RSU = (7x + 3)° and m∠UST = (11x − 21)°. If ∠RSU and ∠UST are complementary, what is the measure of each angle?
Stels [109]

Step-by-step explanation:

m∠RSU + m∠UST = 90° (as complementary angles)

(7x + 3)° + (11x − 21)° =90°

18x -18° = 90°

18x = 108°

x = 6

so, m∠RSU = (7x + 3)° = 7(6)+3 = 45°

and m∠UST = (11x − 21)° = 11(6) -21 = 45°

3 0
3 years ago
In a triangle the base is 4/7 the height and their sum is 110cm. A square is 7/8 of the triangle. Calculate the perimeter of the
Likurg_2 [28]

Perimeter is the continuous line forming the boundary of a closed geometric figure.The formula to find perimeter is (length+width)x2

3 0
3 years ago
Read 2 more answers
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