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The answers are here but I want to know how to get to the answer. Can someone else help me?
General
3 months ago
The length of the base of an isosceles triangle is 42.67 inches. Each base angle is 31.84 degrees. Find the length of each of the two equal sides of the triangle.
General
3 months ago
in tilton school there are 380 students in key stage 3 240 students in key stage 4 110 students in key stage 5 Phoebe is carrying out of a survey she needs a sample of 100 students stratified by key stage work out the number of students from keystage 3 there should be in the sample
General
3 months ago
You're studying how well students remember vocabulary after they stop studying a new language. The first student you study remembers 95% of theFrench words she learned 3 months later, but only 70% of the words 12 monthslater.Before studying more students, you wonder: Is a decreasing linear model or anexponential decay model likely to be a better fit for data about remembering?Decide which model you think will be better. Explain your reasoning.
General
3 months ago
Conditional Probability and the Multiplication Rule1. Two cards are selected in sequence from a standard deck (52 cards). Find the probability that thesecond card is an ace, given that the first card is:a) A seven (assume that it is not replaced):b) An ace (assume that it is not replaced):c) What would be the answer in a) and b) if the first card is replaced?
General
3 months ago
Please help. Thank you so much!The table shows temperatures below freezing measured in different units. complete the equation in standard form to represent the relationship between F a temperature measured in degrees Farenheit and C a temperature measured in Celsius. Question 1. 5F+__C=__Question 2.39°F=__°C rounded to nearest tenth of a degree.
General
3 months ago
HELP!!!!!! TIMED A quadrilateral has the following qualities. 1. two pairs of congruent sides 2. opposite sides that are not congruent 3. one pair of opposite angles that are congruent Which quadrilateral is being described? kite rectangle rhombus trapezoid
General
3 months ago
"ou have discovered another alien. Find the correctescue path before answering this question.Which statements are true about the equation of theine used to save this alien?The y-intercept is not visible on the graphThe slope does not exist for this line.The y-intercept is positive.The line crosses the x-axis at -3.
General
3 months ago
If a five-year old boy who is in the 99th percentile now, is able to grow up healthy and maintain that percentile throughout his growing years, what height do we expect him to reach when he matures to a man? Assume adult men's heights (inches) are Normally distributed with a mean of 69 and a standard deviation of 3. Round your final answer to a whole number.
General
3 months ago
An experienced window washer can wash all the windows in Mike’s house in 2 hours, while a new trainee can wash all the windows in 7 hours. How long would it take them working together? Round your answer to the nearest minute if needed.
General
3 months ago
A function y(t) satisfies the differential equation dy dt = y 4 − 6y 3 + 5y 2 . (a) What are the constant solutions of the equation? (Recall that these have the form y = C for some constant, C.) (b) For what values of y is y increasing? (c) For what values of y is y decreasing?
General
3 months ago
Suppose a basketball player has made 217 out of 302 free throws. If the player makes the next 3 free throws, I will pay you $23. Otherwise you pay me $15. Step 1 of 2 : Find the expected value of the proposition. Round your answer to two decimal places. Losses must be expressed as negative values.
General
3 months ago
In a recent poll, 600 people were asked if they liked soccer, and 72% said they did. Based on this, construct a 99% confidence interval for the true population proportion of people who like soccer.As in the reading, in your calculations:--Use z = 1.645 for a 90% confidence interval--Use z = 2 for a 95% confidence interval--Use z = 2.576 for a 99% confidence interval.Give your answers as decimals, to 4 decimal places.Out of 500 people sampled, 80 had kids. Based on this, construct a 90% confidence interval for the true population proportion of people with kids.As in the reading, in your calculations:--Use z = 1.645 for a 90% confidence interval--Use z = 2 for a 95% confidence interval--Use z = 2.576 for a 99% confidence interval.Give your answers to three decimalsGive your answers as decimals, to three decimal places.
General
3 months ago
Am i doing this right?y = -4
General
3 months ago
A book was on sale for 40% off its original price. Ifthe sale price of the book was $18.00, what was theoriginal price of the book? (Assume there is no salestax.)A) $7.20B) $10.80C) $30.00D) $45.00
General
3 months ago
The cost of having one pizza delivered is $14. Each additional pizza cost $9 more. Write the explicit and recursive formula to represent the situation.
General
3 months ago
Evaluate the line integral by the two following methods. xy dx + x2 dy C is counterclockwise around the rectangle with vertices (0, 0), (5, 0), (5, 1), (0, 1) (a) directly -25 Incorrect: Your answer is incorrect. (b) using Green's Theorem 50 Incorrect: Your answer is incorrect.
General
3 months ago
The producer of a certain medicine claims that its bottling equipment is very accurate and that the standard deviation of all its filled bottles is 0.1 ounce or less. A sample of 20 bottles showed a standard deviation of .11. The test statistic to test the claim is _____.
General
3 months ago
The larger of tow numbers is 11 more than twice the smaller number. The sum of the numbers is 1 less than seven times the smaller number. Find the numbers
General
3 months ago
3.39 From a sack of fruit containing 3 oranges, 2 apples, and 3 bananas, a random sample of 4 pieces of fruit is selected. If X is the number of oranges and Y is the number of apples in the sample, find (a) the joint probability distribution of X and Y ; (b) P[(X, Y ) ∈ A], where A is the region that is given by {(x, y) | x + y ≤ 2}.
General
3 months ago
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