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MATH SOLVE
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15 POINTS: A motorboat traveling downstream covers the distance between port M and port N in 6 hours. Once, the motorboat stopped 40 km before reaching N, turned around, and returned to M. This took the motorboat 9 hours. Find the speed of the motorboat in still water if the speed of the current is 2 km/hour.
General
2 months ago
The amount Lin's sister earns at her part-time job is proportional to the number of hours she works. She earns $9.60 per hour. Is y a function of X. Write an equation describing x as a function of y
General
2 months ago
A bacteria culture initially contains 100 cells and grows at a rate proportional to its size. After an hour the population has increased to 270. (a) Find an expression for the number of bacteria after t hours. P(t) = (b) Find the number of bacteria after 4 hours. (Round your answer to the nearest whole number.) P(4) = bacteria (c) Find the rate of growth after 4 hours. (Round your answer to the nearest whole number.) P'(4) = bacteria per hour (d) When will the population reach 10,000? (Round your answer to one decimal place.) t = hr
General
2 months ago
Part A:At a zoo, the lion pen has a ring-shaped sidewalk around it. The outer edge of the sidewalk is a circle (blue) with a radius of 11 m. The inner edge of the sidewalk is a circle (orange) with a radius of 9 m. Find the approximate AREA of the larger circle (blue). Use 3.14 for pi.Show your work!Part B:At a zoo, the lion pen has a ring-shaped sidewalk around it. The outer edge of the sidewalk is a circle (blue) with a radius of 11 m. The inner edge of the sidewalk is a circle (orange) with a radius of 9 m. Find the approximate AREA of the smaller circle (orange). Use 3.14 for pi.Show your work!Part C:At a zoo, the lion pen has a ring-shaped sidewalk around it. The outer edge of the sidewalk is a circle (blue) with a radius of 11 m. The inner edge of the sidewalk is a circle (orange) with a radius of 9 m. Find the approximate AREA of the sidewalk (shaded region between the blue and orange circles). Use 3.14 for pi.Show your work!Please answer all of them. ;;All of them have the same attached image.
General
2 months ago
A motorboat traveling downstream covers the distance between port M and port N in 6 hours. Once, the motorboat stopped 40 km before reaching N, turned around, and returned to M. This took the motorboat 9 hours. Find the speed of the motorboat in still water if the speed of the current is 2 km/hour.
General
2 months ago
Approximate the change in the lateral surface area (excluding the area of the base) of a right circular cone of fixed height of h=6 m when its radius decreases from r= 10m to r= 9.9 m
General
2 months ago
I really need help in this question I’m not really getting it at all. Thanks so much! C=5/9(F−32)The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, which of the following must be true?A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of 5/9 degree Celsius.A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit.A temperature increase of 5/9 degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius.A) I onlyB) II onlyC) III onlyD) I and II only
General
2 months ago
A pizza company makes pizza in three different sizes: small, medium, and large. There are four popular toppings: pepperoni, sausage, green pepper, and mushroom. How many different kinds of pizza with one topping are available?
General
2 months ago
how do i find the area of this shape and you tell me step by step it says find the area of the shaded region
General
2 months ago
Carl plans to prepare for the upcoming track season by running 160 miles. So far he has ran 28 miles. How many more miles does he have to run?
General
2 months ago
Explain how you would graph the line y = 2/3x + 3 using its slope and y-intercept.
General
2 months ago
What are the missing angle measures in parallelogramRSTU?A. MZR = 70°, mT = 110°, mzU = 110°B. mZR = 110°, m_T = 110°, m_U = 70°C. mZR = 110°, m_T = 70°, m_U = 110°D. mZR = 70°, mZT = 110°, m_U = 70°
General
2 months ago
A delivery truck is transporting boxes of two sizes: large and small. The combined weight of a large box and a small box is 70 pounds. The truck is transporting 70 large boxes and 55 small boxes. If the truck is carrying a total of 4450 pounds in boxes, how much does each type of box weigh?
General
2 months ago
Write a two-column proof. Given: Quadrilateral GKJH is a parallelogramProve: Triangle GLH is congruent to Triangle JLK
General
2 months ago
A parabola with vertex (1,5) and y-intercept(0,2) crosses the x-axis in two places. One x-intercept is at (-0.29,0). Find the other x-intercept. Separate the values with a comma.
General
2 months ago
What is the circumference and area of a circle with a radius of 4 meters? Round your answer to the nearest tenth. Circumference: m Area: m2 (Use 3.14 for Pi.)
General
2 months ago
URGENT WILL GIVE BRAINLIEST ANSWER
General
2 months ago
What is the range of rooms in Henry's histogram?The houses surveyed had between 1 and 10 rooms.The histogram shows a range of 5 to 6 rooms.The houses surveyed had between 0 and 6 rooms.The histogram shows a range of 1 to 5 rooms.
General
2 months ago
Can anyone explain this? Thanks.
General
2 months ago
is my working step wrong? the quaestion is find the range of values of x that satisfy the inequalities by using basic definition
General
2 months ago
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