avanoos
Calculators
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
avanoos
avanoos
Home
General
Algebra
Geometry
Coordinate-geometry
Statistics
Calculus
Qna
Math
MATH SOLVE
Home
A hockey puck leaves the blade of a hockey stick, bounces off a wall, and travels in a new direction, as shown. Your friend claims the path of the puck forms a right angle. Is your friend correct? Explain.
General
4 months ago
find the value of H in feet
General
4 months ago
on the map shown, streets are, q, and or parallel and 7th Street is perpendicular to all three. Find the value of x in feet
General
4 months ago
which is the slope of a line perpendicular to the line 7x + y equals 9
General
4 months ago
Garcia wrote the equation y=-0.2x^2+5x-8 to model the path of a soccer ball. What is true about the expression -0.2x^2+5x-8? A. The express has a leading coefficent of 5.B. The express has a constant of 2. C. The express has 3 terms.D. The expression has a factor of -0.2x^2.
General
4 months ago
Two thirds of the fruit in the basket are apples. One fourth of the apples are green apples. What fraction of the fruit in the basket are green apples?
General
4 months ago
Find the sum of the first five terms of the geometric series 8, −24, 72, … 484 488 648 684
General
4 months ago
Tony has 110 cents in nickels, dimes, and pennies. He has 3 more nickels than dimes and 4 times as many pennies as dimes. How many of each kind of coin does he have
General
4 months ago
Triangle BAC was rotated 90° clockwise and dilated at a scale factor of 2 from the origin to create triangle XYZ. Based on these transformations, which statement is true? coordinate plane with triangles ACB and XYZ with A at negative 4 comma 4, C at negative 1 comma 3, B at negative 4 comma 0, X at 0 comma 8, Y at 8, comma 8, and Z at 6 comma 2 segment AC ~ segment XZ segment AC ~ segment YX segment AB ~ segment XZ segment AB ~ segment YX
General
4 months ago
a student who is 5 ft 3 in tall standing next to a sculpture. The figure shows that student has a 4-foot 6-inch Shadow and the sculpture casts an 8-foot 3in Shadow. What is the height of the sculpture in inches?
General
4 months ago
Evaluate ∫C ysin(z)ds, where C is the circular helix given by the equations x = cos(t), y = sin(t), z = t, 0 ≤ t ≤ 2π. SOLUTION The formula for a line integral in space gives the following. ∫y sin(z)ds = sin2(t) dt = (sin(t))2√ (cos(t))2 + (sin(t))2 + 1dt = 1 2 (1 - cos(2t))dt = √2 2 =
General
4 months ago
A normal breathing cycle consists of inhaling followed by exhaling. Assume that one complete breathing cycle occurs every 5 seconds, with a maximum airflow rate of 0.6 liters per second. If the function f(t) = A sin Bt is used to model this process, where f(t) gives the airflow at time t, what are the values of A and B?
General
4 months ago
An automobile manufacturer claims that its jeep has a 31.231.2 miles/gallon (MPG) rating. An independent testing firm has been contracted to test the MPG for this jeep since it is believed that the jeep has an incorrect manufacturer's MPG rating. After testing 230230 jeeps, they found a mean MPG of 31.431.4. Assume the standard deviation is known to be 2.52.5. A level of significance of 0.050.05 will be used. State the hypotheses.
General
4 months ago
A lathe is set to cut bars of steel into lengths of 6 centimeters. The lathe is considered to be in perfect adjustment if the average length of the bars it cuts is 6 centimeters. A sample of 144 bars is selected randomly and measured. It is determined that the average length of the bars in the sample is 6.09 centimeters with a standard deviation of .48 centimeters.a. Formulate the hypotheses to determine whether or not the lathe is in perfect adjustment.b. Compute the test statistic.c. Using the p-value approach, what is your conclusion? Let ? = .05.How do you compute using excel?
General
4 months ago
Use the properties of logarithms, given that ln(2) ≈ 0.6931 and ln(3) ≈ 1.0986, to approximate the logarithm. Use a calculator to confirm your approximations. (Round your answers to four decimal places.) (a) ln(0.75) ≈ -0.5569 Incorrect: Your answer is incorrect. (b) ln(24) ≈ 8.3172 Incorrect: Your answer is incorrect. (c) ln( 3 18 ) ≈ 0.9635 Correct: Your answer is correct. (d) ln 1 72 ≈ 0.0458 Incorrect: Your answer is incorrect.
General
4 months ago
A crate weighs 12kg. A candle weighs about .4kg. For shipping the crate and candles must weigh no more than 80kg. How many candles can be in the crate?
General
4 months ago
COMPLETING THE SQUARE
General
4 months ago
A plane travels speed at 225 mph in still air. Flying with tailwind, the plane is clocked over distance of 875 miles. Flying against headwind, it takes 1 hour longer to complete the return trip. What is the wind velocity?
General
4 months ago
A car's speedometer has a percent error of 5%. The speedometer currently shows that the car is traveling at a speed of 60 mph.Which statement describes what the actual speed of the car could be?The actual speed of the car is either 30 mph or 90 mph.The actual speed of the car is either 55 mph or 65 mph.The actual speed of the car is either 57 mph or 63 mph.The actual speed of the car is either 58 mph or 62 mph.
General
4 months ago
An article in American Demographics claims that more than twice as many shoppers are out shopping on the weekends that during the week. Not only that, such shoppers also spend more money on their purchases on Saturdays and Sundays! Suppose that the amount of money spent at shopping centers between 4 P.M. and 6 P.M. on Sundays has a normal distribution with mean $85 and with a standard deviation of $20. A shopper is randomly selected on a Sunday between 4 P.M. and 6 P.M. and asked about his spending patterns.a. What is the probability that he has spent more than $95 at the mall?b. What is the probability that he has spent between $95 and $115 at the mall?c. If two shoppers are randomly selected, what is the probability that both shoppers have spent more than $115 at the mall?
General
4 months ago
Previous
1
2
3
4
5
6
7
8
9
10
11
12
13
Next