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MATH SOLVE
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Christy drove 132 miles in 2 3/4 hours. what was her average speed in miles per hour
General
4 months ago
Brenda has $500 in her bank account.Every week she withdraws $40 for miscellaneous expenses. How many weeks can she withdraw the money if she wants to maintain a balance of at least $200.what is the inequality for the situation and what is the answer
General
4 months ago
Determining an Equation and Type of Graph Jeff hiked for 2 hours and traveled 5 miles. If he continues at the same pace, which equation will show the relationship between the time, t, in hours he hikes to distance, d, in miles? Will the graph be continuous or discrete? d = 0.4t, discrete d = 0.4t, continuous d = 2.5t, discrete d = 2.5t, continuous
General
4 months ago
The function f(x) varies inversely with x and f(x)=2 when x=16. What is f(x) when x=4? 128 72 40 8
General
4 months ago
Bob is a high school basketball player. he is a 70% free throw shooter. that means his probability of making a free throw is 0.70. during the season, what is the probability that bob makes his third free throw on his fifth shot? what is e(x)?
General
4 months ago
On average, seawater in the world oceans has a salinity of about 3.5%. How much seawater need to have evaporated to leave 100g salt?
General
4 months ago
kamal has 2 liters of soup. he pours it into 4 bowls each bowl gets an equal amount how many milliliters of soup are in each bowl
General
4 months ago
Graph the system of equations on graph paper. {6x+4y=24 2x−4y=−8 Which statements are true about the solution to the system of equations? Select each correct answer. The x-coordinate of the solution is 3. The ordered pair that is the solution to the system lies in Quadrant IV . The x-coordinate of the solution is 2. The y-coordinate of the solution is 3. The y-coordinate of the solution is −2 . The ordered pair that is the solution to the system lies in Quadrant I .
General
4 months ago
Jacki plans to pay for the down payment of a new car with her credit card. The annual interest rate for her credit card is 17%. The following expression represents the balance of the credit card, in dollars, after t years.2,250(1.17)^tWrite an exponential expression in the form (b)c that reveals the monthly interest rate of Jacki's credit card. Round any decimals to the nearest thousandth.
General
4 months ago
A board game has a spinner divided into sections of equal size. Each section is labeled with a number between 1 and 5. What is a reasonable estimate of the number of times the spinner will land on a section labeled 5 over the course of 150 spins
General
4 months ago
Jamie is x years old. His friend Ana is the same age. Enter an expression in the box to represent the sum of Jamie and Ana's ages.
General
4 months ago
The sum of two trinomials is 7x2 - 5x + 4. If one of the trinomials is 3x2 + 2x - 1, then what is the other trinomial?10x2 + 7x + 5
General
4 months ago
Is the following statement a good definition? Why?A segment is part of a line. A.No, it is not. The statement is not precise. A ray or a point could be part of a line.B.No, it is not. The statement is too short to be a good definition.C.Yes, it is. The statement is precise and reversible.D.Yes, it is. All segments are parts of lines.
General
4 months ago
Two numbers multiply together to make -56. But add together to make -1. What are the two numbers?
General
4 months ago
At silver gym membership is $25 per month ,and personal training session are $30 each. At fit factor , membership is $65 per month, and personal training session are $20 each. In one month, how many personal training session would sarah have to buy to make the total cost at the gyms equal
General
4 months ago
A company believes 95% of its jobs applicants are trustworthy. the company gives everyone a polygraph test, asking "have you ever stolen anything from your workplace", to which all applicants naturally answer no. the company then uses a polygraph (lie detector) to see if they are trustworthy. suppose when a person lies, the polygraph detects the lie with probability 65%, but incorrectly identifies 15% of true statements as lies. what is the probability that a job applicant rejected under suspicion of dishonesty was actually trustworthy
General
4 months ago
Ericka decided to compare her observation to the average annual trend, which shows the water rising 1.8 mm/year. Remember, she used 6.2 years as her time period. Explain how she would calculate the difference between how much water levels rose on average and how much the water level fell in the part of the river she observed.
General
4 months ago
Since the sanctuary was established, the estimated population of American robins in the area has increased from 86 to 102. Describe the percent change in the estimated population of American robins. Round to the nearest whole percent. Enter your answer in the box to complete the sentence. The percent change is about a % increase.
General
4 months ago
Which expressions are equivalent to 7b(3+c) ? Select each correct answer. 14bc (7b⋅3)+(7b⋅c) −4b+7c 21b+7bc 7b+14bc https://screenshots.firefox.com/NFZTzhDPbCzxU3kN/learning.k12.com
General
4 months ago
How can a translation and a rotation be used to map ΔHJK to ΔLMN?Translate H to L and rotate about H until HK lies on the line containing LM.Translate K to M and rotate about K until HK lies on the line containing LM.Translate K to N and rotate about K until HK lies on the line containing LN.Translate H to N and rotate about H until HK lies on the line containing LN.
General
4 months ago
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