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MATH SOLVE
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General
the interest earned on an account varies directly with the balance in the account. if an account with a balance of $200 earns $12.50 in interest, find the amount of interest earned on an account with a balance of $500
General
4 months ago
A small submarine is at –1,320 feet in relation to sea level. The submarine needs to be at 180 feet below sea level in 60 minutes. Another submarine is at –1,440 feet, and also needs to be at 180 feet below sea level in 60 minutes. How much faster does the second submarine need to travel? Explain.
General
4 months ago
The probability of flowering plants bearing flowers in January is given the table. If a plant has flowered in January, what is the probability that it is a peony?A. 70%B. 73%C. 76%D. Insufficient data
General
4 months ago
For the period 1997-2003, the number of eggs y (in billions) produced in the United States can be modeled by the function y=-0.27x^2+3.3x+77 where x is the number of years since 1997 a. Write and solve an equation that you can use to approximate the year(s) in which 80 billion eggs were produced. B. Graph the function on a graphing calculator. Use the trace feature to fin the year when 80 billion eggs were produced. Use the graph to check your answer from part (a).
General
4 months ago
In science class, jada uses a graduated cylinder with water in it to measure the volume of some marbles. After dropping in 4 marbles, the water is at a height of 10 Milliliters. After dropping in 6 marbles, the height of the water is at 11 milliliters. What is the volume of 1 marble?
General
4 months ago
The scatterplot below shows the relationship between the number of gallons of gasoline in the tanks of 14 cars, and the maximum number of miles the cars can be driven on the given amount of gasoline.Based on the data collected, which combination of gallons in the gas tank and maximum number of miles seems most likely to be possible?A.0 gallons in the gas tank and 20 milesB.9 gallons in the gas tank and 280 miles C.11 gallons in the gas tank and 360 milesD.19 gallons in the gas tank and 520 miles
General
4 months ago
Please please Help! 8 points!
General
4 months ago
The following table shows a proportional relationship between m and n
General
4 months ago
The function f(t) = 4t2 − 8t + 8 shows the height from the ground f(t), in meters, of a roller coaster car at different times t. Write f(t) in the vertex form a(x − h)2 + k, where a, h, and k are integers, and interpret the vertex of f(t).f(t) = 4(t − 1)2 + 2; the minimum height of the roller coaster is 2 meters from the groundf(t) = 4(t − 1)2 + 2; the minimum height of the roller coaster is 4 meters from the groundf(t) = 4(t − 1)2 + 4; the minimum height of the roller coaster is 1 meter from the groundf(t) = 4(t − 1)2 + 4; the minimum height of the roller coaster is 4 meters from the ground
General
4 months ago
An association of art museums releases a study reporting that museums with restaurants have a greater number of annual visitors.Which statement describes the best conclusion to draw from the study? Museums without a restaurant can increase their number of annual visitors by offering a restaurant. There may be a correlation between having a restaurant and having a greater number of annual visitors. Not having a restaurant decreases the number of annual visitors to a museum. Having a restaurant causes people to visit a museum more frequently.
General
4 months ago
A specific X-linked recessive allele is lethal. Males that inherit the recessive allele and females that are homozygous recessive will abort before birth. What is the probability that a heterozygous mother will give birth to a child with only one copy of the recessive allele?
General
4 months ago
The Acme Company manufactures widgets. The distribution of widget weights is bell-shaped. The widget weights have a mean of 60 ounces and a standard deviation of 7 ounces. Use the Standard Deviation Rule, also known as the Empirical Rule. Suggestion: sketch the distribution in order to answer these questions.(a) 95% of the widget weights lie between and (b) What percentage of the widget weights lie between 12 and 57 ounces?(c) What percentage of the widget weights lie above 30 ?
General
4 months ago
A common equation used in business is a demand equation. It expresses the relationship between the unit price of some commodity and the quantity demanded. In the equation, p represents the unit price and x represents the quantity demanded in thousands. A company sells desk lamps and has found that the demand equation for a certain style of desk lamp is given by the equation p equals negative x squared plus 23. Find the demand for the desk lamp if the price is $7 per lamp.
General
4 months ago
Write a compound inequality that each graph could represent for the following questions.
General
4 months ago
What is the volume?___ cubic inches
General
4 months ago
This table gives a few (x, y) pairs of a line in the coordinate plane. x y22 3627 5432 72What is the x-intercept of the line?
General
4 months ago
The Office of Student Services at a large western state university maintains information on the study habits of its full-time students. Their studies indicate that the mean amount of time undergraduate students study per week is 20 hours. The hours studied follows the normal distribution with a population standard deviation of six hours. Suppose we select a random sample of 144 current students. What is the standard error of the mean
General
4 months ago
a bean plant is 3/5 as tall as a tomato plant. the tomato plant is 20 cm taller than the bean plant. what is the ratio of the bean plant height to the tomato plant height?how tall is the bean plant? the tomato plant ?
General
4 months ago
Suppose you are climbing a hill whose shape is given by the equation z = 900 − 0.005x2 − 0.01y2, where x, y, and z are measured in meters, and you are standing at a point with coordinates (120, 80, 764). The positive x-axis points east and the positive y-axis points north. (a) If you walk due south, will you start to ascend or descend? ascend descend Correct: Your answer is correct.
General
4 months ago
An account is opened with $7,595.96 with a rate of increase of 2% per year. After 1 year, the bank account contains $7,746.90. Assuming no deposits or withdrawals are made, which equation can be used to find y, the amount of money in the account after x years? (Round money values to the nearest penny.) y = 7,746.90(1.02)x y = 7,746.90(0.02)x y = 7,595.96(1.02)x y = 7,595.96(0.02)x
General
4 months ago
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