Jon S.

Algebra 1

01/07/21

Doreen Schmidt is a chemist. She needs to prepare 32 ounces of a 15% hydrochloric acid solution. Find the amount of 16% solution and the amount of 8% solution she should mix to get this solution.

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Answers •2

Algebra 2

01/07/21

What is the equation of a parabola if

What is the equation of a parabola if The vertex is ( 1, 7) and the directrix is located at y = 3?

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Answers •2

Geometry

01/06/21

Please help me with this geometry question.

A line passes through the points R(-2,5) and S(-1,2). Write and equation of the line through a point A(5,0) that is parallel to RS.A. y = -3x + 15B. y = -3x - 5C. y = 3x + 15D. y = 3x - 5

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Answers •2

Trigonometry

01/06/21

Verify the identity algebraically

csc^4 x-2 csc^2 x+1=cot^4x

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Answers •2

Algebra 2 Trigonometry

01/06/21

what is the average angle of inclination of the ramp to the nearest tenth of the degree?

a ramp leading to a freeway overpass is 470 feet long and rises 32 feet. what is the average angle of inclination of the ramp to the nearest tenth of the degree?

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Answers •1

Geometry

01/06/21

I’ve been trying to figure this out for hours but I’m still confused. Can anyone help?

The sum of three numbers is 71. The third number is 2 times the first. The second number is 5 less than the first. What are the numbers?

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Answers •1

Geometry

01/05/21

A 10-foot tall ladder is placed against a wall so that the top of the ladder is 9 feet above the ground. How far is the base of the ladder from the base of the wall along the ground?

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Answers •1

Math Algebra 1

01/05/21

Write an equation of the line that passes through (-3,3) and is perpendicular to the line 2y=8x-6

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Answers •1

Statistics

01/05/21

Suppose that 17% of the people in a large city have used a hospital emergency room in the past year. If a random sample of

Suppose that 17%of the people in a large city have used a hospital emergency room in the past year. If a random sample of 120people from the city is taken, approximate the probability that more... more

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Answers •1

Geometry

01/05/21

A chord is 16 units from the center of a circle. The radius of the circle is 20 units. What is the length of the chord?

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Answers •2

Geometry

01/03/21

geometry triangles

In △ABC, AC¯¯¯¯¯¯¯¯ and AB¯¯¯¯¯¯¯¯ are bisected at D and E, respectively. Determine the statement that could be used to show that DE¯¯¯¯¯¯¯¯∥CB¯¯¯¯¯¯¯¯

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Answers •2

Precalculus

01/03/21

pre calc help!!!!!

If you were to use completing the square on this problem, x2+4x ____−5=2 what number would go in the blank ? A) - 2 B) - 4 C) + 2 D) + 4

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Answers •2

Statistics

01/02/21

In a certain city of several million people, 6.9% of the adults are unemployed. If a random sample of 270 adults in this city is selected

In a certain city of several million people, 6.9%of the adults are unemployed. If a random sample of 270adults in this city is selected, approximate the probability that more than 15in the sample... more

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Answers •1

Statistics

01/01/21

Suppose that the quarterly sales levels among health care information systems companies are approximately normally distributed with a mean of 10 million dollars and a standard deviation of 1.1

Suppose that the quarterly sales levels among health care information systems companies are approximately normally distributed with a mean of 10million dollars and a standard deviation of... more

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Answers •1

Algebra 1

01/01/21

What is an equation of the line that passes through the points (- 8, - 6) and (3, - 6) ?

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Answers •2

Math Ap Statistics

01/01/21

Two AP Stats Questions

QUESTION 1: Twenty students from Sherman High School were accepted at Wallaby University. Of those students, eight were offered military scholarships and 12 were not. The newly accepted student SAT... more

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Answers •1

Math Ap Statistics

01/01/21

Two AP Statistics Questions

Question 1:A manufacturer of a new medication on the market for Parkinson's disease makes a claim that the medication is effective in 75% of people who have the disease. One hundred fifty... more

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Answers •1

Probability

01/01/21

probability and simulate

Suppose that 70% of all people in Ontario wear seatbelts.(a) Explain how the spinner shown could be usedto simulate how many people in a randomsample wear seat belts.(b) If you would like to know... more

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Answers •1

Ap Statistics

01/01/21

AP Stats 1 Question

Students at a local high school were randomly selected to participate in a math fluency program. The program is designed to increase their math fluency. A total of 12 students each took a pretest... more

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Answers •1

Ap Statistics

01/01/21

AP Stats Degrees of Freedom

Randall is conducting a test on bacteria on slices of cheese. He uses 10 slices of cheese to compare two strains of bacteria. He applies one strain to the left side of the cheese and one strain to... more

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Answers •1

Ap Statistics

01/01/21

AP Stats Hwk 1 Question

Buyers are skeptical of a speed boat advertisement that claims the newest model gets an average of 24 miles per gallon. They believe the dealer is overstating the average. Which null and... more

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Answers •1

Sat Math

12/31/20

someone explain this question for me plssssss

Sasha has a number of bills in his wallet totaling $50. If his wallet has at least 1 single, 1 five-dollar bill, 1 ten-dollar bill, and 1 twenty-dollar bill, then what is the range of possible... more

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Answers •2

Geometry

12/31/20

Complete the square to rewrite the equation in the form (x−h)2=p. x2−4x−75=0 What is the equation in (x−h)2=p form?

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Answers •1

Trigonometry

12/31/20

If sinx=−4/5 and cotx<0, then find cos2x

Find the exact functional value.

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Answers •4

Trigonometry

12/31/20

If cosx=−5/13 and tanx<0, then find sin2x

I need to find the exact functional value

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Answers •2

Doreen Schmidt is a chemist. She needs to prepare 32 ounces of a 15% hydrochloric acid solution. Find the amount of 16% solution and the amount of 8% solution she should mix to get this solution.

What is the equation of a parabola if

Please help me with this geometry question.

Verify the identity algebraically

what is the average angle of inclination of the ramp to the nearest tenth of the degree?

I’ve been trying to figure this out for hours but I’m still confused. Can anyone help?

A 10-foot tall ladder is placed against a wall so that the top of the ladder is 9 feet above the ground. How far is the base of the ladder from the base of the wall along the ground?

Write an equation of the line that passes through (-3,3) and is perpendicular to the line 2y=8x-6

Suppose that 17% of the people in a large city have used a hospital emergency room in the past year. If a random sample of

A chord is 16 units from the center of a circle. The radius of the circle is 20 units. What is the length of the chord?

geometry triangles

pre calc help!!!!!

In a certain city of several million people, 6.9% of the adults are unemployed. If a random sample of 270 adults in this city is selected

Suppose that the quarterly sales levels among health care information systems companies are approximately normally distributed with a mean of 10 million dollars and a standard deviation of 1.1

What is an equation of the line that passes through the points (- 8, - 6) and (3, - 6) ?

Two AP Stats Questions

Two AP Statistics Questions

probability and simulate

AP Stats 1 Question

AP Stats Degrees of Freedom

AP Stats Hwk 1 Question

someone explain this question for me plssssss

Complete the square to rewrite the equation in the form (x−h)2=p. x2−4x−75=0 What is the equation in (x−h)2=p form?

If sinx=−4/5 and cotx<0, then find cos2x

If cosx=−5/13 and tanx<0, then find sin2x

Still looking for help? Get the right answer, fast.

OR

Jon S.

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Emmersion

Doreen Schmidt is a chemist. She needs to prepare 32 ounces of a ​15% hydrochloric acid solution. Find the amount of 16​% solution and the amount of ​8% solution she should mix to get this solution.

What is the equation of a parabola if

Please help me with this geometry question.

Verify the identity algebraically

what is the average angle of inclination of the ramp to the nearest tenth of the degree?

I’ve been trying to figure this out for hours but I’m still confused. Can anyone help?

A 10-foot tall ladder is placed against a wall so that the top of the ladder is 9 feet above the ground. How far is the base of the ladder from the base of the wall along the ground?

Write an equation of the line that passes through (-3,3) and is perpendicular to the line 2y=8x-6

Suppose that 17% of the people in a large city have used a hospital emergency room in the past year. If a random sample of

A chord is 16 units from the center of a circle. The radius of the circle is 20 units. What is the length of the chord?

geometry triangles

pre calc help!!!!!

In a certain city of several million people, 6.9% of the adults are unemployed. If a random sample of 270 adults in this city is selected

Suppose that the quarterly sales levels among health care information systems companies are approximately normally distributed with a mean of 10 million dollars and a standard deviation of 1.1

What is an equation of the line that passes through the points (- 8, - 6) and (3, - 6) ?

Two AP Stats Questions

Two AP Statistics Questions

probability and simulate

AP Stats 1 Question

AP Stats Degrees of Freedom

AP Stats Hwk 1 Question

someone explain this question for me plssssss

Complete the square to rewrite the equation in the form (x−h)2=p. x2−4x−75=0 What is the equation in (x−h)2=p form?

If sinx=−4/5 and cotx<0, then find cos2x

If cosx=−5/13 and tanx<0, then find sin2x

Still looking for help? Get the right answer, fast.

OR

Jon S.

Doreen Schmidt is a chemist. She needs to prepare 32 ounces of a 15% hydrochloric acid solution. Find the amount of 16% solution and the amount of 8% solution she should mix to get this solution.