kimie

In 1866, the Republican-dominated Congress wanted to make sure that ex-slaves could vote, so they passed a Civil Rights Act declaring ex-slaves to be U.S. citizens. --Why did Congress also submit the 14th Amendment in 1866 confirming citizenship for ex-sl...

10 years ago

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 spending 12.75 minutes at that elevation, the diver ascended to an elevation of -28 9/10 feet. The total time for the dive so far w...

10 years ago

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 twine will remain. Show that this is reasonable. THANK YOU!

10 years ago

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 Tuesday. What fraction of the distance between San Antonio and Austin did the Smith family travel on Monday and Tuesday. THANK Y...

10 years ago

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 1.4 ounce bars Cost B: $15.35 1)Which package has the better per bar? 2)Which package has the better price per ounce? 3)Which...

10 years ago

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 out? Justify your answer. THANK YOU!

10 years ago

There is proportional relationship between your distance from a thunderstorm and the time from when you see lightning and hear thunder. If there are 9 seconds between lightning and thunder, the storm is about 3 kilometers away. If you double the amount of...

10 years ago

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 relatioship between cost and number of ears of corn as proportional relationship. Justify your answer. Ears of corn 1 2 3 4 Amt...

10 years ago

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? THANK YOU!

10 years ago

Annalisa, Keiko, and Stefan want to compare their heights. Annalisa is 64 inches tall. Stefan tells her, “I’m about 7.5 centimeters taller than you.” Keiko knows she is 1.5 inches shorter than Stefan. Give the heights of all three people in both inches an...

9 years ago

A shopper paid $51.93 including tax for an item marked $48.99. What would she pay for another item marked $75?

9 years ago

simplify the expression (3x + 1/2) + (7x - 4 1/2) THANK YOU!

9 years ago

simplify the expression: (-0.25x - 3) - (1.5x + 1.4) THANK YOU!

9 years ago

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 change by -315 feet? During another part of its flight, the balloon had a change in elevation of -901 feet. What was its rate of...

9 years ago

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 down. How many yards do they have to get on their next play to get a first down? **write an equation and solve. THANK YOU!

9 years ago

**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 does the diver take to reach -15.6 feet? THANK YOU!!!!

9 years ago

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 inches. Find all possible heights of the prism. Show all your work as an inequality. THANK YOU!!

9 years ago

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 hour. Over how many hours does the change take place? **Write as an expression and solve THANK YOU!

9 years ago

After making a deposit, Puja had $264 in her savings account. She noticed that if she added $26 to the amount originally in the account and doubled the sum, she would get the new amount. How much did she originally have int he account? **Write an equation...

9 years ago

The current temperature in Smalltown is 20°F. This is 6 degrees less than twice the temperature that it was six hours ago. What was the temperature in Smalltown six hours ago? **Write equation and solve it. THANK YOU!

9 years ago

The formula F = 1.8°C + 32 allows you to find the Fahrenheit (F) temperature for a given Celsius (C) temperature. Solve the equation for C to produce a formula for finding the Celsius temperature for a given Fahrenheit temperature. THANK YOU!

9 years ago

The number m satisfies the relationship m < 0. Write an inequality expressing the relationship between -m and 0. Explain your reasoning. THANK YOU!!

9 years ago

The number n satisfies the relationship n > 0. Write three inequalities to express the relationship between n and 1/n. THANK YOU!

9 years ago

Is there any value of x with the property that x < x - 1 ? Explain your reasoning. THANK YOU!

9 years ago

Joseph used the problem-solving strategy Work Backward to solve the inequality 2n+5<13. Shawnee solved the inequality using the algebraic method. Compare the two methods. THANK YOU!

9 years ago

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 ft:1.26 cm. A)If a toothpick is 6.3cm tall, how many toothpicks tall will your model be? B)Your mother is out of thoothpics,...

9 years ago

A landscape architect submitted a design for a triangle-shaped flower garden with side lengths of 21 feet, 37 feet, and 15 feet to a customer. Explain why the architect was not hired to create the flower garden. THANK YOU!

9 years ago

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 the model? B)If the model is made out of tiny bricks each measuring 0.4 inch in height, how many bricks tall is the model? THANK...

9 years ago

Suppose you know that ÚS and ÚY are complementary, and that mÚS=2(mÚY)-30‹. Find mÚY THANK YOU!

9 years ago

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 756 feet. The height of the Great Pyramid is 481 feet. Ira made his model pyramid using a scale of 1 inch:10 feet. A)What is the...

9 years ago

Students are painting the backdrop for the school play. The backdrop is 15 feet wide and 10 feet high. Every 16 inches on the scale drawing represents 5 feet on the backdrop. What is the area of the scale drawing? THANK YOU!

9 years ago

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 direction at a rate of 2 miles per hour. Suppose the bear was last seen 4 hours ago. How large an area must the searchers cover?...

9 years ago

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 radius? Explain. THANK YOU!

9 years ago

A small silver dollar pancake served at a restaurant has a circumference of 2 pi inches. A regular pancake has a circumference of 4 pi inches. Is the area of the regular pancake twice the area of the silver dollar pancake? Explain. THANK YOU!

9 years ago

For breakfast, Clarissa can choose from oatmeal, cereal, French toast, or scrambled eggs. She thinks that if she selects a breakfast at random, it is likely that it will be oatmeal. Is she correct? Explain your reasoning.

9 years ago

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 probability that the removed coin is blue? b) If the coin removed is blue, what is the probability of drawing a red coin afte...

9 years ago

A researcher's garden contains 90 sweet pea plants, which have either white or purple flowers. About 70 of the plants have purple flowers, and about 20 have white flowers. Would you expect that one plant randomly selected from the garden will have purple...

9 years ago

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 likely that she will pick a colored t-shirt in the dark? What is the probability she will pick a colored t-shirt? Explain your...

9 years ago

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 black and the probability that the pen will not be red is 1. Explain whether you agree. THANK YOU!!

9 years ago

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 probability that Gabby will serve an ace in the first match of the next game? Make a prediction about how many aces Gabby will have f...

9 years ago

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 the first frame of the next game? Explain why a number cube would not be a good way to simulate this situation. THANKS!!

9 years ago

A meteorologist reports an 80% chance of precipitation. Is this an example of experimental probability, written as a percent? Explain your reasoning. THANKS!!

9 years ago

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. How could you simulate choosing one box at random? Would you use the same simulation if you planned to put these coins in your po...

9 years ago

we are thinking "B". Are we right? Thank you!

10 years ago

What is the reasoning for this? How can it be shown with math? THANKS!!

9 years ago