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MATH SOLVE
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Derrick adds equations A and B to solve this system of equations. What makes this approach a valid method in general for solving a system of equations?
General
2 months ago
Help!!Kerry has a bag containing white and yellow marbles. Kerry randomly selects one marble from the bag, records the result, and returns the marble to the bag. The results of the first 65 selections are shown below. - A white marble was selected 41 times- A yellow marble was selected 24 times.Based on these results what is the probability that the next marble Kerry selects will be white?A. 41%B. 50%C. 59%D. 63%
General
2 months ago
A metalworker has a metal alloy that is 30% copper and another alloy that is 55% copper. How many kilograms of each alloy should the metalworker combine to create 100 kg of a 50% copper alloy? The metal worker should use (blank) kilograms of the metal alloy that is 30% copper and (blank) kilograms of the metal alloy that is 55% copper. (show your work)
General
2 months ago
Factor the polynomial x^4-16. How many real zeros does the function g(x)=x^4-16 have?
General
2 months ago
to determine the volume of an irregular piece of silver Jennifer's emergency in a graduated cylinder filled with water and observes the water level rises from 60 cubic centimeters to 80 cubic centimeters
General
2 months ago
15 Teocars ware LauderdaleBlood internacional AirportOne can travels morth 12 milesamores miles east. The secondcartaceis Smiles south and then(9.12)How far apart are the cars?F. 42 miles25 milesFL 21 milesL 18 miles
General
2 months ago
D = {xlx is a whole number]E = {xix is a perfect square between 1 and 9)F = {xlx is an even number greater than or equal to 2 and less than 9)Which of the following is E U F?
General
2 months ago
7. Han's cell phone plan costs $200 to start. Then there is a $50 charge each month.a. What is the total cost (start up fee and monthly charge) to use the cell phoneplan for 1 month?b. What is the total cost for x months?
General
2 months ago
One taco supreme and to be Fritos provide 3480 calories. Two taco supremes and one beef burrito provide 3090 calories. Find the the caloric content of each item.
General
2 months ago
The royal fruit company produces two type of fruit drinks. The first type is 70% pure fruit juice , and the second type is 95% pure fruit juice. The company is attempting to produce a fruit drink that contains 80% pure fruit juice. How many pints of each of the two existing types of drink must be used to make 110 pints of a mixture that is 80% pure fruit juice
General
2 months ago
PLEASE MATH EHLP WILL GIVE BRAINLIEST!!!What is the trigonometric ratio for sin C ?Enter your answer, as a simplified fraction, in the boxes.
General
2 months ago
Find the sum of each row in the table. Explain why these sums make sense. Table:Food | Rent | Transportation 1/4 6/10 3/2025%. 60%. 15%0.25 0.60 0.15
General
2 months ago
Find the shortest distance, d, from the point (5, 0, −6) to the plane x + y + z = 6. d
General
2 months ago
Question 2(Multiple Choice Worth 2 points)(10.06 MC)Compare the functions shown below:f(x) = 4 sin (2x − π) − 1 g(x)x y−1 60 11 −22 −33 −24 15 6h(x) = (x − 2)2 + 4Which function has the smallest minimum y-value? f(x) g(x) h(x) Both f(x) and g(x) have the same minimum y-value.
General
2 months ago
Who, in 1706, first gave the greek letter "pi" its current mathematical definition? *?
General
2 months ago
Suppose that there are 67 butterfly species for every 22,000 insect species and there are 15,000 to 22,000 species of butterflies worldwide. how many insect species are there
General
2 months ago
Identify the polynomial written in descending order. (1 point) 9 − 14x − 7x2+ x3 x3− 7x2− 14x + 9 −7x2+ 9 + x3− 14x −14x + x3+ 9 − 7x2
General
2 months ago
The value of Ari's rolls of coins is $113.00. If pennies and dimes come in rolls of 50 coins each, and nickels and quarters come in rolls of 40 coins each, which of these combinations could Ari have? A. 5 rolls of pennies, 8 rolls of nickels, 4 rolls of dimes, and 7 rolls of quarters B. 4 rolls of pennies, 8 rolls of nickels, 7 rolls of dimes, and 5 rolls of quarters C. 4 rolls of pennies, 8 rolls of nickels, 5 rolls of dimes, and 7 rolls of quarters D. 5 rolls of pennies, 8 rolls of nickels, 7 rolls of dimes, and 4 rolls of quarters
General
2 months ago
An airline sells all tickets for a certain route at the same price. if it charges 250 dollars per ticket it sells 5000 tickets. for every 5 dollars the ticket price is reduced, an extra 500 tickets are sold. it costs the airline a hundred dollars to fly a person. what price will generate the greatest profit for the airline?
General
2 months ago
Colinda has just purchased her first home for $125,000. She put down a 20 percent down payment of $25,000 and took out a 4 percent mortgage for the rest. Her mortgage payment is $477 per month. How much of her first monthly mortgage payment is amortization?
General
2 months ago
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