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MATH SOLVE
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In a fruit survey, children choose their favorite fruit out of apples, bananas and watermelon. 29% chose apples, 41% chose bananas. What percentage chose watermelon? Show me your work please!
General
2 months ago
A USA Today/CNN/Gallup survey of 369 working parents found 200 who said they spend too little time with their children because of work commitments. a. What is the point estimate of the proportion of the population of working parents who feel they spend too little time with their children because of work commitments? b. At 95% confidence, what is the margin of error? c. What is the 95% confidence interval estimate of the population proportion of working parents who feel they spend too little time with their children because of work commitments?
General
2 months ago
An animal park has lions, tigers and zebras. 17% of the animals are zebras. What percentage are tigers? Show me your work!
General
2 months ago
Which equation represents a line that passes through (-9, -3) and has a slope of 6?y-9= 6(x - 3)y+9= 6x + 3)y-3= 61X - 9)y+ 3 = 6(x + 9)
General
2 months ago
A company manufactures aluminum mailboxes in the shape of a box with a half-cylinder top. The company will make 1823 mailboxes this week. If each mailbox has dimensions as shown in the figure below how many square meters of aluminum will be needed to make these mailboxes? In your calculations, use the value of 3.14 for pie, and round up your answer to the next square meter.
General
2 months ago
Widget Indutries had stock that sold at 36 5/8 points. The stock rose 7 1/4 points. What is the new price?
General
2 months ago
30 PTS, Need assistance! Which statements are correct regarding mathematics in the Egyptian, Chinese, and Babylonian cultures? Check all that apply.A. Both the Egyptian and Chinese number systems use base 10. B. The Babylonian tablets have all the solution methods clearly shown. C. All three cultures had unique symbolism to represent their numbers. D. There are two primary sources for ancient Egyptian mathematics. E. Ancient Chinese mathematicians did not attempt to solve systems of linear equations.
General
2 months ago
Mason wants to use the Fermi process to estimate the number of golf balls it would take to fill his bedroom. As part of the process, he needs to estimate the volume of his bedroom. He figures that his bedroom is about 20 ft long, 10 ft wide, and 10 ft high. Which estimate best approximates the area of his bedroom? A) 2 × 10³ ft³B) 2 × 10⁴ ft³C) 2 × 10⁵ ft³D) 2 × 10⁶ ft³
General
2 months ago
9.4 The heights of a random sample of 50 college stu- dents showed a mean of 174.5 centimeters and a stan- dard deviation of 6.9 centimeters. (a) Construct a 98% confidence interval for the mean height of all college students. (b) What can we assert with 98% confidence about the possible size of our error if we estimate the mean height of all college students to be 174.5 centime- ters?
General
2 months ago
In a data analysis, the breakdown time of an insulating fluid between electrodes at 34 kV is recorded. The times, in minutes, are as follows: 0.19, 0.78, 0.96, 1.31, 2.78, 3.16, 4.15, 4.67, 4.85, 6.50, 7.35, 8.01, 8.27, 12.06, 31.75, 32.52, 33.91, 36.71, and 72.89. Calculate the sample mean and sample standard deviation
General
2 months ago
A boat makes a 120-mile trip downstream in 3 hours but makes the return trip in 4 hours. What is the rate of the current?3 mph 4 mph5 mph
General
2 months ago
Violet is watching the sand in a hourglass drain from the upper portion to the lower portion of the glass. She wonders how fast the sand is draining.Which unit rates would be reasonable for Violet to use to describe how fast the sand is draining from the upper portion to the lower portion of the glass?Select EACH correct answer.gallons per hourliters per hourcubic centimeters per minutecubic inches per second
General
2 months ago
What is the solution set to the equation (2x−4)(4x−5)=0
General
2 months ago
which function has no horizontal asymptote? A) f(x)=2x-1/3x^2, B) f(x)=x-1/3x,C) f(x)=2x^2/3x-1D)f(x)=3x^2/x^2-1
General
2 months ago
Noah currently has an account balance of $2,976.45. He opened the account 11 years ago with a deposit of $1,963.45. If the interest compounds quarterly, what is the interest rate on the account?
General
2 months ago
Gary is looking over his receipts from his trip to Europe. When he was in Germany, he exchanged US dollars for euros at a rate of 1:0.7716, and when he was in Poland, he exchanged euros for Polish zloty at a rate of 1:4.0518. To four decimal places, what was the exchange rate of US dollars to Polish zloty?
General
2 months ago
Which equations are related equations to 13 + x = 29?Select each correct answer.29 + 13 = x13=29−xx=29−1313−x=29
General
2 months ago
What do the numbers listed for an element on the periodic table represent? The smaller number is the mass, and the greater number is the atomic number. The smaller number is the number of protons, and the greater number is the mass. The smaller number is the number of neutrons, and the greater number is the number of electrons. The smaller number is the number of neutrons, and protons and the greater number is the number of electrons.
General
2 months ago
What is the area of a parallelogram whose vertices are A(−4, 9) , B(11, 9) , C(5, −1) , and D(−10, −1) ?
General
2 months ago
What is the perimeter of the triangle shown on the coordinate plane, to the nearest tenth of a unit? 20.6 units 22.7 units 25.6 units 27.6 units
General
2 months ago
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