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Questions (45)

For a scavenger hunt, Chessa put one coin in each of 10 small boxes. Four coins are quarters, 4 are dimes, and 2 are nickels.
1. 1 answer
2. 576 views
For a scavenger hunt, Chessa put one coin in each of 10 small boxes. Four coins are quarters, 4 are dimes, and 2 are nickels.
1. 0 answers
2. 706 views
A meteorologist reports an 80% chance of precipitation. Is this an example of experimental probability, written as a percent?
1. 2 answers
2. 1,182 views
Dree rolls a strike in 6 out of the 10 frames of bowling. What is the experimental probability that Dree will roll a strike in
1. 0 answers
2. 583 views
In tennis, Gabby serves an ace, a ball that can't be returned, 4 out of the 10 times she serves. What is the experimental
1. 2 answers
2. 1,424 views
A box contains 150 black pens and 50 red pens. Jose said the sum of the probability that a randomly selected pen will not be
1. 3 answers
2. 2,565 views
The power goes out as Sandra is trying to get dressed. If she has 4 white t-shirts and 10 colored t-shirts in her drawer, is it
1. 1 answer
2. 616 views
A researcher's garden contains 90 sweet pea plants, which have either white or purple flowers. About 70 of the plants have
1. 3 answers
2. 1,172 views
A bag contains 8 blue coins and 6 red coins. A coin is removed at random and replaced by three of the other color.a) What is the
1. 13 answers
2. 4,245 views
For breakfast, Clarissa can choose from oatmeal, cereal, French toast, or scrambled eggs. She thinks that if she selects a
1. 3 answers
2. 2,134 views
A small silver dollar pancake served at a restaurant has a circumference of 2 pi inches. A regular pancake has a circumference
1. 2 answers
2. 1,230 views
Two circles have the same radius. Is the combined area of the two circles the same as the area of a circle with twice the
1. 3 answers
2. 2,755 views
A bear was seen near a campground. Searchers were dispatched to the region to find the bear.A)Assume the bear can walk in any
1. 7 answers
2. 1,485 views
Students are painting the backdrop for the school play. The backdrop is 15 feet wide and 10 feet high. Every 16 inches on the
1. 6 answers
2. 1,895 views
Ira built a model of the Great Pyramid in Egypt for a school project. The Great Pyramid has a square base with sides of length
1. 1 answer
2. 1,020 views
Ira built a model of the Great Pyramid in Egypt for a school project. The Great Pyramid has a square base with sides of length
1. 1 answer
2. 991 views
Suppose you know that �ÚS and �ÚY are complementary, and that m�ÚS=2(m�ÚY)-30�‹.Find m�ÚY THANK YOU!
1. 0 answers
2. 481 views
The scale model of a building is 5.4 feet tall.A)If the original building is 810 meters tall, what was the scale used to make
1. 2 answers
2. 2,423 views
A landscape architect submitted a design for a triangle-shaped flower garden with side lengths of 21 feet, 37 feet, and 15 feet
1. 3 answers
2. 2,357 views
You have been asked to build a scale model of your school out of toothpicks. Imagine your school is 30 feet tall. Your scale is
1. 4 answers
2. 5,219 views
Joseph used the problem-solving strategy Work Backward to solve the inequality 2n+5<13. Shawnee solved the inequality using the
1. 1 answer
2. 1,024 views
Is there any value of x with the property that x < x - 1 ?Explain your reasoning. THANK YOU!
1. 1 answer
2. 460 views
The number n satisfies the relationship n > 0. Write three inequalities to express the relationship between n and 1/n.THANK YOU!
1. 2 answers
2. 1,918 views
The number m satisfies the relationship m < 0. Write an inequality expressing the relationship between -m and 0. Explain your
1. 1 answer
2. 1,411 views
The formula F = 1.8°C + 32 allows you to find the Fahrenheit (F) temperature for a given Celsius (C) temperature. Solve the
1. 5 answers
2. 8,944 views
The current temperature in Smalltown is 20°F. This is 6 degrees less than twice the temperature that it was six hours ago. What
1. 7 answers
2. 1,459 views
After making a deposit, Puja had $264 in her savings account. She noticed that if she added $26 to the amount originally in the
1. 3 answers
2. 758 views
In a science experiment, the temperature of a substance is changed from 42°F to -54°F at an average rate of -12 degrees per
1. 2 answers
2. 938 views
The base of a rectangular prism has a length of 13 inches and a width of 1/2 inch. The volume of the prism is less than 65 cubic
1. 2 answers
2. 1,152 views
**Write an equation and solve:A diver begins at sea level and descends vertically at a rate of 2 1/2 feet per second. How long
1. 1 answer
2. 765 views
A football team has a net yardage of-26 1/3 yards on a series of plays. The team needs a net yardage of 10 yards to get a first
1. 1 answer
2. 785 views
A hot air balloon begins its descent at a rate of 22 1/2 feet per minute. How long will it take for the balloon's elevation to
1. 1 answer
2. 650 views
simplify the expression:(-0.25x - 3) - (1.5x + 1.4) THANK YOU!
1. 6 answers
2. 2,904 views
simplify the expression(3x + 1/2) + (7x - 4 1/2) THANK YOU!
1. 1 answer
2. 370 views
A shopper paid $51.93 including tax for an item marked $48.99. What would she pay for another item marked $75?
1. 4 answers
2. 2,341 views
Annalisa, Keiko, and Stefan want to compare their heights. Annalisa is 64 inches tall. Stefan tells her, “I’m about 7.5
1. 9 answers
2. 2,348 views
If you know that a relationship is proportional and are given one ordered pair that is not (0,0), how can you find another pair?
1. 1 answer
2. 874 views
A store sells 3 ears of corn for $1. They round prices to the nearest cent as shown below. Tell whether you would describe the
1. 1 answer
2. 1,035 views
There is proportional relationship between your distance from a thunderstorm and the time from when you see lightning and hear
1. 2 answers
2. 1,932 views
If you know the rate of a water leak in gallons per hour, how can you find the number of hours it takes for 1 gallon to leak
1. 3 answers
2. 1,372 views
An online retailer sells two packages of protein bars.Package A: 10-pack of 2.1 ounce bars Cost A: $15.37 Package B: 12-pack of
1. 13 answers
2. 2,596 views
The Smith family took a car trip. They traveled 1/2 the distance from San Antonio to Austin on Monday and 3/12 the distance on
1. 6 answers
2. 3,177 views
Dan is cutting 4.75 foot legths of twine from a 240 foot spool of twine. He needs to cut 42 lengths, and says that 40.5 feet of
1. 1 answer
2. 1,043 views
A scuba diver dove from the surface of the ocean to an elevation of -79 9/10 feet at a rate of -18.8 feet per minute. After
1. 4 answers
2. 3,468 views
In 1866, the Republican-dominated Congress wanted to make sure that ex-slaves could vote, so they passed a Civil Rights Act
1. 2 answers
2. 1,004 views

Answers (2)

What is the reasoning for this? How can it be shown with math? THANKS!!
we are thinking "B". Are we right? Thank you!

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