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MATH SOLVE
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A gold mine has two elevators, one for equipment and another for the miners. The equipment elevator descends 5 feet per second. The elevator for the miners descends 17 feet per second. One day, the equipment elevator begins to descend. After 26 seconds, the elevator for the miners begins to descend. What is the position of each elevator relative to the surface after another 16 seconds? At that time, which elevator is deeper?
General
2 months ago
Which step is part of a proof showing the opposite sides of parallelogram ABCD are congruent? A) show that AC is congruent to BD B) show that AD is congruent to AB Reactivate C) show that angles A and D are supplementary D) show that triangle ADB is congruent to triangle CB
General
2 months ago
A mega-discount chain store just opened a new clothing store in town emphasizing mainly women's clothing. Before opening, management had to decide whether to only carry either men's, women's, boys', girls', or infants' clothing. After performing representative sampling of potential customers from each of these groups, it was decided to carry only women's clothing. Identify the type of sampling used in this example.a) Cluster samplingb) Multistage samplingc) Systematic samplingd) Stratified sampling
General
2 months ago
The midpoint of segment XY is (6, -3). The coordinates of one endpoint are X(-1, 8). Find the coordinates of endpoint Y.
General
2 months ago
A population of bacteria is growing exponentially. At 7:00 a.m. the mass of the population is 12 mg. Five hours later it is 14 mg. (a) What will be the mass of the bacteria after another 5 hours? (b) At 7:00 p.m. what do we expect the mass to be? (c) What was the mass of the population at 8:00 a.m.? Given your answer, by what percent is the mass of the population increasing each hour? By what percent is it increasing each day?
General
2 months ago
Simplify the expression 3(x + 2)(x2 − x − 8). 3x3 + 3x2 − 30x − 48 3x3 + x2 − 10x − 16 3x3 − 30x2 − 12x − 48 3x3 − 4x2 − 30x − 4
General
2 months ago
Stella graphed y = 100 - 25/3 * x to represent the percentage of battery life remaining on her phone after x hours. What is a reasonable domain for this situation ?
General
2 months ago
WHAT DOES 12F+24 REPRESENT
General
2 months ago
A school district purchases a high-volume printer, copier, and scanner for $27,000. After 10 years, the equipment will have to be replaced. Its value at that time is expected to be $2000. Write a linear equation giving the value V of the equipment during the 10 years it will be in use. (Let t be the number of years after purchase.)
General
2 months ago
A researcher would like to evaluate the claim that large doses of Vitamin C can help prevent the common cold. One group of participants is given 500 mg of Vitamin C (500mg per day) and a second group is given a placebo (sugar pill). The researcher records the number of colds each individual experiences during the 3-month winter season. a. Identify the dependent variable for this study.b. Is the dependent variable discreet or continuous?c. What scale of measurement (nominal, ordinal, interval, or ratio) is used to measure the dependent variable.
General
2 months ago
Haley has 3 3/8 cups of sugar to make pies. If each pie uses 2 1/4 cups of sugar, how many pies can she make?
General
2 months ago
What is the equation of this line? 50 POINTS! AND BRAINLIEST PLZZ HURRY!y=32xy=−23xy=−32xy=23x
General
2 months ago
Five years ago, a typical 70” TV cost about $2400. Now a similar TV costs approximately $1680. What is the percent decrease in TV price?
General
2 months ago
Mariposa makes a quilt with cloth squares and triangles. For every 6 pieces of cloth, 2 are squares. She needs 12 pieces of cloth to complete her quilt.
General
2 months ago
Many hotel chains that offer free Wi-Fi service to their customers have experienced increasing demand for Internet bandwidth and increasing costs. Suppose that one such chain would like to test the hypothesis that the proportion of customers that are carrying two Wi-Fi devices exceeds 0.60. A random sample of 120 customers found that 78 have two Wi-Fi devices. The hotel chain would like to set alphaequals0.01. What is the correct hypothesis statement for this hypothesis test?
General
2 months ago
Maricella solves for x in the equation 4x-2(3x-4)+4=-x+3(x+1)+1 . She begins by adding –4 + 4 on the left side of the equation and 1 + 1 on the right side of the equation. Which best explains why Maricella’s strategy is incorrect?The multiplication that takes place while distributing comes before addition and subtraction in order of operations.In order to combine like terms on one side of the equation, the inverse operation must be used.When the problem is worked in the correct order, the numbers that Maricella added are not actually like terms.Maricella did not combine all three constants on both sides of the equation; she combined only two.can you help me please
General
2 months ago
Describe the difference between period costs and product costs. a. are operating costs that are expensed in the accounting period in which they are incurred. b.Period costs Product costs are all costs of a product that c. GAAP GAAS the IRS the SEC requires companies to treat as an asset for external financial reporting. These costs are recorded as an asset (inventory) on the balance sheet until the asset is sold. The cost is then transferred to an expense account d. Cost of Goods Manufactured Cost of Goods Sold Inventory Expense Product Expense ) on the income statement.
General
2 months ago
On September 12, Ryan Company sold merchandise in the amount of $9,400 to Johnson Company, with credit terms of 2/10, n/30. The cost of the items sold is $5,800. Ryan uses the periodic inventory system and the net method of accounting for sales. On September 14, Johnson returns some of the merchandise. The selling price of the merchandise is $860 and the cost of the merchandise returned is $530. Johnson pays the invoice on September 18, and takes the appropriate discount. The journal entry that Ryan makes on September 18 is:
General
2 months ago
Sorenson Corp.’s expected year-end dividend is D1 = $4.00, its required return is rs = 11.00%, its dividend yield is 6.00%, and its growth rate is expected to be constant in the future. What is Sorenson’s expected stock price in 7 years, i.e., what is Pˆ 7?
General
2 months ago
The graph of a line passes through the points (0, -2) and (6, 0). What is the equation of the line? CLEAR CHECK y = -2x + 6 y = 13x – 6 y = 3x – 2 y = 13x – 2
General
2 months ago
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