Mathematics

6. Calculate the distance Tarryn drives if shedrives 7/8mile each way to and from work,5 days a week.
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A container initially containing10 L of water in which there is 20 g of salt dissolved. A solution containing 4 g/L of salt is pumped into the container at a rate of 2 L/min, and the well-stilled mixture runs out at a rate of 1 L/min. How much salt is in the tank after 40 min
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75% of a number is 230. Solve.
1 Answer
The sum of eight times a number and negative four exceeds twelve.
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Equivalent fractions of 8/12
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20. Mary has 3 packages of hamburger theweigh 1.3/4 pounds each. What is the totalweight of the hamburger?A2.1/4poundsB 3.3/4pounds 4.1/2 poundsD5.1/4 pounds
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How many times does 27 go into 324
1 Answer
At a farmers market strawberries cost $1.60 per pint, blueberries cost $2.30 per pint. A shopper bought twice as many pints of strawberries as pints of blueberries, and spent a total of $11.00. How many pints of each did she buy?
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what is the answer to 3(-3x+20) + 5(x/5)?
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Find the image of the figure after a dilation with a point A as the centre by a scale factor of 0.75
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At a used dealership, let X be an independent variable representing the age in years of a motorcycle and Y be the dependent variable representing the selling price of used motorcycle. The data is now given to you. X = {5, 10; 12, 14, 15}; Y = {500, 400, 300, 200, 100} (a) Write the regression model. (b) Estimate the parameters of the model (c) Write the prediction equation (d) Calculate SSE.
1 Answer
Please answer, EXPLAIN for brainliest.
1 Answer
A cell phone company charges $40 per month for unlimited calling, and $0.20 per text message sent. If t represents the number of text messages Roxy sent last month, which expression represents the cost of her bill last month before any taxes or additional fees?40 0.2t(40 + 0.2)t40 + 0.2t(40 0.2)t
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What are the four arithmetic means between -10 and 35?
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Following are measurements of soil concentrations (in mg/kg) of chromium (Cr) and nickel (Ni) at 20 sites in the area of Cleveland, Ohio. These data are taken from the article "Variation in North American Regulatory Guidance for Heavy Metal Surface Soil Contamination at Commercial and Industrial Sites" (A. Jennings and J. Ma, J Environment Eng, 2007:587609). Cr: 34 1 511 2 574 496 322 424 269 140 244 252 76 108 24 38 18 34 3O 191 Ni: 23 22 55 39 283 34 159 37 61 34 163 140 32 23 54 837 64 354 376 471 (a) Construct a histogram for each set of concentrations. (b) Construct comparative boxplots for the two sets of concentrations. (c) Using the boxplots, what differences can be seen between the two sets of concentrations?
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Subtracting fractions with unlike denominators 10/12 -1/4 show work
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There were 30 students enrolled in the school chess club in the fall and 24 students enrolled in the spring whats the percent decrease in the number of students enrolled in the chess club?
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Maytag wants to administer a satisfaction survey to its current customers. Using their customer database, the company randomly selects 6060 customers and asks them about their level of satisfaction with the company. What type of sampling is used? a. Simple random b. Cluster c. Systematic d. Stratified e. Convenience
1 Answer
which expression is equivalent to x2 x3?
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Please help I'll give thanks and brainliest.Also I'm pretty sure both have 2 answers.Thanks! ^u^
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Which line is the graph of y= 2x - 1?
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What is the greatest common factor of 24y and (4y^2+12y)
1 Answer
These two ways of setting up a String yield identical results: a) String string = new String("123.45"); b) String string = "" + 123.45; Group of answer choices True False
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Matt earned $28,500 last year. He paid $8,265 for rent. What percent of his earnings did Matt pay for rent ?
1 Answer