In a quadrilateral, three of the angles are obtuse. Which of the following could not be the angle measure of the fourth angle?20°
40°
60°
90°

Answers

Answer 1

Answer: If an angle it is obtuse it is between 90 and 180.

Angles in a quadrilateral add up to 360.

Therefore 3 obtuse angles must add up to AT LEAST 273 and if you then added the 90 it would get you to 363 which is too large so it cant be 90 :)

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If a thermometer indicates 30 degrees Celsius, what is the temperature in degrees Fahrenheit? A. 54°F
B. 17°F
C. 24°F
D. 86°F

Answers

To calculate the Fahrenheit temperature:

-- Take the Celsius temp.
-- Multiply by 1.8 .
-- Then add 32 to the product.

30°C ==> (30 x 1.8) = 54 ==> 54 + 32 = 86°F.
_____________________________________

To calculate the Celsius temperature:

-- Take the Fahrenheit temp.
-- Subtract 32 .
-- Multiply what's left by 0.55... (5/9 to be exact).

86°F ==> (86 - 32) = 54 ==> (54) x (5/9) = 30°C .

Answer:86F

Step-by-step explanation:

Peter put $8,000 into a savings account that pays 6% interest, compounded continuously. After five years, Peter will have $ 8,001.35 10,798.53 21,744.00 160,634.32 in the account.Hint: Use the formula A = Pert, where A is the amount after t years, P is the amount invested, r is the rate of interest, t is the time period, and e = 2.718. Use a calculator to compute your answer

Answers

We have to calculate the amount of money Peter will have in his account after 5 years. Formula for the amount after t years with interest compounded continuously : A = P * e^(r t ). We know that r = 0.06; t = 5; e = 2.71 and P = $8,000. A = 8,000 * 2.718^( 0.06 * 5 ) = 8,000 * 2,718^( 0.3 ) = 8,000 * 1.3488158 = 10,798.53. Answer: B. $10,798.53.

1. The concession stand is selling hot dogs and hamburgers during a game. At halftime, they sold a total of 78 hot dogs and hamburgers and brought in $105.50. how many of each item did they sell if hamburgers sold for $1.50 and hot dogs sold for $1.25?

Answers

46 hotdogs ang 32 hamburgers

Find the gradient of line passing through the following pairs of points : (i) (0,−2),(3,4)

Answers

Answer:

gradient = 2

Step-by-step explanation:

calculate the gradient m using the gradient formula

m = $(y_(2)-y_(1) )/(x_(2)-x_(1) )$

let (x₁, y₁ ) = (0, - 2 ) and (x₂, y₂ ) = (3, 4 )

substitute these values into the formula for m

m = $(4-(-2))/(3-0)$ = $(4+2)/(3)$ = $(6)/(3)$ = 2

A quiz has 50 multiple choice questions. Each question has 3 possible answers, one of which is correct. A correct answer is worth 2 points, but a point is taken off for each incorrect answer. A student answers all 25 questions by guessing at random. In each case present the problem with an appropriate box model. Find the expected value and the standard error for the sum of 25 draws. Interpret this sum in terms of the scores.