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Find the sum.(8b + 7) + (6x – 4) + (5C + 8)
General
2 months ago
icon" to view the SpeechStream® loolbar article foradditional details.You work for the city recreationdepartment, which is hosting a 5kilometer run/walk next week. Yourcoworker measured the course andfound that it is only 4.75 kilometerslong. He asks you to move the finishline forward 0.25 kilometers. Yourtape measure is marked in feet andinches. What is the distance he hasasked you to move the finish line, tothe nearest foot?
General
2 months ago
Choose the best answers to complete the statements below.choosEvery employee works 7 hours per day.Every employee works 5 days per week.Every employee works 49 weeks per year.Every employee worksdays per yearEvery employee workshours per year
General
2 months ago
A high school administrator determined that 22% of the students worked part-time after school with an +-8%margin of error. If the school has 1420 students, which would represent the possible number of students thatwork part-time after school?199 to 426 students114 to 312 students195 to 430 students47 to 178 students
General
2 months ago
Discuss how the students saving accounts work
General
2 months ago
Simon rolls a number cube and picks a card from a standard deck. Let event E be rolling an even number and eventK be picking a king from the deck. Match each notation to its meaning.P(KUE)the probability of picking a king or rolling aneven numberP(E)the probability of rolling an even number andpicking a kingPENK)the probability of picking a kingpicking a kingP(K)the probability of rolling an even number
General
2 months ago
The volume of a gas in cubic centimeters, V, varies inversely with thepressure of the gas in liters per square centimeter, p.When the volume of the gas is 16 cm3, its pressure is 20 L/cm2. Find thevolume of the gas when the pressure is 1.6 L/cm²
General
2 months ago
The radius of a circular puddle is growing at a rate of 25 cm/s.(a) How fast is its area growing at the instant when the radius is 50 cm? HINT [See Example 1.] (Round your answer to the nearest integer.)(b) How fast is the area growing at the instant when it equals 36 cm2? HINT [Use the area formula to determine the radius at that instant.] (Round your answer to the nearest integer.)
General
2 months ago
Determine the area of the shaded region. Use 3 for pi. A.196 square inches B.294 square inches C.462 square inches D.588 square inchesFirst to answer gets brainlyest please hurry
General
2 months ago
When fishing off the shores of Florida, a spotted seatrout must be between 24 and 30 inches long before it can be kept; otherwise, it must be returned to the waters. In a region of the Gulf of Mexico, the lengths of the spotted seatrout that are caught, are normally distributed with a mean of 22 inches, and a standard deviation of 4 inches. What is the probability that a fisherman catches a spotted seatrout within the legal limits?
General
2 months ago
Which of the following statements are equivalent to the statement "price decreased by 25%"?Choose all correct answers. (A) The price doubled (B) The price is 150% of the price before (C) The price was reduced by a quarter (D) The price became a half of what it was before (E) The price is now 1.5 of what it was before (F) The price now is 66 2/3 % of what it was before (G) The price now is 200% of what it was before (H) The price is 75% of what it was before
General
2 months ago
A landscaper is designing a flower garden in the shape of a trapezoid. She wants the shorter base to be 3 yards greater than the height and the longer base to be 7 yards greater than the height. She wants the area to be 295 square yards. The situation is modeled by the equation h^2 + 5h = 295. Use the Quadratic Formula to find the height that will give the desired area. Round to the nearest hundredth of a yard. A: 17.36 yardsB: 600 yardsC: 14.86 yardsD: 29.71 yards
General
2 months ago
he rate of change of a car is decreasing linearly by 10 miles per hour. Before the car started to slow down, the car was traveling at 50 miles per hour. Can you use a linear model to represent the cars speed as a function of time and if so, why? What is the value for the slope and the y-intercept?
General
2 months ago
What are the classifications of each system? Drag the answer into the box to match each system. {4x−2y=102x−y=5 {y=2x−3−2x+y=−5 {2x−5y=143x+4y=10
General
2 months ago
Kris has two choices for a part-time job after school. Kris could make $10 per hour entering data for a local company, but none of his friends work there. The second job offer pays $8 per hour at a local restaurant, and many of his friends work there.If Kris works 20 hours per week, what would be the weekly opportunity cost of accepting the job at the restaurant? A) $120 B) $160 C) $20 D) $40
General
2 months ago
A parking lot charges $3 to park a car for the first hour and $2 per hour after that. If you use more than one parking space, the second and each subsequent car will be charged 75% of what you pay to park just one car. If you park 3 cars for t hours, which function gives the total parking charge?A ) f(t) = 3(3 + 2(t − 1)) B ) f(t) = (3 + 2t) + 0.75 × 2(3 + 2t) C ) f(t) = (3 + 2(t − 1)) + 0.75 × 2(3 + 2(t − 1)) D ) f(t) = (3 + 2t) + 0.75(3 + 2t) + 0.75 × 0.75(3 + 2t) E ) f(t) = (3 + 2(t − 1)) + 0.75(3 + 2(t − 1)) + 0.75 × 0.75(3 + 2(t − 1))Ps. I picked C
General
2 months ago
If f(x)=(√(2-x)) and g(x)= (x-1), then find the domain of h(x)=f(x)/g(x) Answer is: ( - ∞ , 1 ) U ( 1 , 2]
General
2 months ago
19 POINTS!!!!!!!!!!!!!Chris and Bethany are each hosting a lemonade stand. At noon, Bethany challenges Chris to see who can sell the most cups of lemonade that day.The table shows the total number of cups of lemonade Chris sold at the end of each remaining hour of his sale.The equation y = 4x + 5 shows the number of cups of lemonade Bethany sold for the remaining hours of her sale, with y representing the number of cups sold and x representing the time in hours.Which statements about the lemonade stands are true?Select each correct answer.MULTIPLE CHOICE!Beginning at noon Chris sold 7 cups of lemonade each hour.Chris had sold 7 cups of lemonade when the challenge started at noon.Beginning at noon Bethany sold 4 cups of lemonade each hour.Bethany had sold more cups of lemonade than Chris at noon.
General
2 months ago
Which is the correct classification of 18 squared1.irrational number, non-repeating decimal2.irrational number, terminating decimal3.rational number, terminating decimal4. Rational number, non-repeating decimal
General
2 months ago
A special 8 sided die is rolled 20 times with these outcomes: 2, 4, 7, 3, 1, 5, 4, 6, 3, 8, 6, 2, 5, 2, 6, 1, 7, 4, 5, 6, ....... What is the experimental probability of rolling a 2 or a 4? Is this number greater than or less than the theoretical probability of rolling a 2 or a 4? Explain
General
2 months ago
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