Recent activity by Erk

Recent activity by Erk

A decrease in smoking in the United States has resulted in lower death rates caused bylung cancer. The number of death rates per 100,000 people y can be expressed byy = - 26x2 - .55x + 91.81, where x represents

answered Nov 19, 2023

1 answer 145k views

Mario charges $20 an hour plus a $15 flat fee. Luigi charges $18 an hour plus a $30 flat fee. After how many hours will the cost be the same?

answered Nov 8, 2023

1 answer 132k views

If x + y = 12 and x * y = -360 what are the values of x and y

answered Aug 29, 2023

1 answer 186k views

Which of the following grew significantly in Oklahoma in the years after World War II? A. rural school districts B. urban and suburban areas C. military facilities D. railroad infrastructure

answered Jun 27, 2023

2 answers 48.3k views

Please help me with this

asked Jun 18, 2023

1 answer 224k views

a company that makes hair care products had 5,000 people try a new shampoo. Of the 5,000 people 30 had a mild allergic reaction. What percent of the people had a mild allergic reaction.

answered May 31, 2023

1 answer 111k views

Find the surface area of the figure.Assume the cylinder is closed at both ends. Use 3.14 for π and round to the nearest hundredth, if necessary.

asked Apr 3, 2023

2 answers 141k views

Choose all equivalent equations to the following:X +5=20 + 2x1. X+20=5 2. X= -15 3. 5+3x=20 4. x-15=2x 5. 3x=25 6. 3x=-15

answered Mar 12, 2023

1 answer 51.4k views

If a student runs 100 meters east and 75 meters west what is his total distance and displacement ?

answered Jan 15, 2023

1 answer 45.9k views

Express the number 540 as a product of the powers of its prime factors.

asked Dec 24, 2022

1 answer 65.2k views

Predict the effect of change in temperature and pressure of the dissociation of PCL5

asked Dec 22, 2022

2 answers 124k views

Read the two stories. Story 1: Amelia could not find her dog, Rocky, so she started to look for clues. She searched the fence and discovered a large, muddy hole under one section. She crawled through the

asked Dec 21, 2022

1 answer 51.7k views

144 is the _ power of 12

answered Oct 27, 2022

1 answer 144k views

Political cartoons are also called statement cartoons editorial cartoons debate cartoons newsworthy cartoons

asked Oct 16, 2022

1 answer 189k views

Make a list of 5 kinds of variation that you can see between the dogs

answered Oct 13, 2022

1 answer 15.8k views

4x + 8y= -8 X= -2y + 1

asked Oct 4, 2022

1 answer 135k views

Apples are on sale at the local fruit stand at 4 lbs. for $2.60. Which equation can be used to find the cost, c, of n pounds of apples?

answered Aug 25, 2022

2 answers 187k views

Which of the following statements is true about electric circuits? • in a series circuit, the voltage at the source is the same as the voltage measured at each load in the circuit • when 2 dry cells are

answered Aug 17, 2022

1 answer 138k views

Which shows three numbers that are equivalent to each other? A- 1-2, 0.2, 20% B- 1-2, 0.5, 50% C- 1-2, 0.5, 5% D- 1-2, 0.4, 40% E- 1-2, 0.12, 12% Please someone help me on this ASAP thank you!!

answered May 26, 2022

1 answer 215k views

What is 8q+12=4(3+3q)

asked May 4, 2022

2 answers 105k views

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