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You need 270 mL of a 95% alcohol solution. On hand, you have a 55% alcohol mixture. How much of the 55% alcohol mixture and pure alcohol will you need to obtain the desired solution?

asked 2 days ago in Word Problem Answers by anonymous | 27 views

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I need assistance with 2 questions that involves evaluating subscripts

asked 4 days ago in Algebra 1 Answers by anonymous | 29 views

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All of the following are equivalent except _____. -5(x - 1) -5x + 5 5 - 5x (5 - 5)x

asked 4 days ago in Pre-Algebra Answers by anonymous | 21 views

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What are the first 21-digit prime in consecutive decimal digits of e?What are the first 21-digit prime in consecutive decimal digits of e?

asked 5 days ago in Other Math Topics by anonymous | 35 views

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What number property is true for integer multiplication?

asked 5 days ago in Other Math Topics by anonymous | 12 views

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How many 0’s are there in the end of 1 x 4 x 7 x 10 x .... x 697 x 700?

asked 5 days ago by anonymous | 19 views

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How many consecutive “0” are there at the end of the product of 5 x 10 x 15 x ..... x 2010 x 2015.

asked 5 days ago by anonymous | 24 views

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Alex is purchasing fajitas from Pappasitos at a price of $7.96for 2 pounds. How much would it cost Alex to pay 5.5 pounds of Fajitas?

asked 6 days ago in Other Math Topics by Matthew | 20 views

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divide 300 in the ratio 1:4

asked 6 days ago in Algebra 1 Answers by anonymous | 23 views

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How many ounces will the heaviest baby have to gain to reach a healthy level?

asked Jan 15 in Algebra 1 Answers by Abu Saeid | 30 views

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This year, Perez’s Ski Shop had a profit of $80,000 This is 250 percent of last year’s profit What was the profit of Perez’s Ski Shop last year? _________ profit

asked Jan 14 in Other Math Topics by ruby | 18 views

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Tickets to a rock concert cost $32.50 each the school CHOOR but 54 tickets for the Saturday concert and 33 tickets for the Sunday concert how much did the CHOIR in all for the tickets

asked Jan 14 in Other Math Topics by Sofia | 32 views

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Whats the solution to Y=5-2x 3x-2y=11 using the substitution method?

asked Jan 13 in Algebra 1 Answers by anonymous | 26 views

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Nik bought 49 cars on Saturday and on Sunday he bought 52 more than on Saturday. How many cars did he buy in all?

asked Jan 13 in Word Problem Answers by anonymous | 30 views

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-6n+(-12)+4n

asked Jan 12 by anonymous | 32 views

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((2x^3-x^2+7)/(x^2-x-12))=23

asked Jan 11 in Algebra 1 Answers by anonymous | 29 views

2 answers

Okay there is 365 days in year,there is 52 weeks in a year,there is 7 days in a week,I work 3 out 7 days a week in a year.I make $9.00 an hour,i work 8 hours a day;how much did i make in a year?

asked Jan 11 in Word Problem Answers by Lemonade | 28 views

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How many solutions does this linear system have?

asked Jan 10 in Algebra 1 Answers by Stef | 27 views

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the sides of a trianglesare in the ratio 2:3:4. the perimeter of the triangle is 81 feet. what is the length of each side

asked Jan 10 by anonymous | 21 views

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The radius of a sphere is given as R, determine the radius and the height of the maximal volume of cone which is in the sphere

asked Jan 8 in Calculus Answers by anonymous | 32 views

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Interest

asked Jan 8 by Amanda | 30 views

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How many buses do you need for 700 people if each bus holds 125 people

asked Jan 7 in Word Problem Answers by Hiimhola | 37 views

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Write the number in the box that makes the statement true. 2 7/12 = 1 ?/12

asked Jan 6 in Other Math Topics by anonymous | 38 views

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solve 3x-4=19

asked Jan 6 in Pre-Algebra Answers by anonymous | 21 views

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Use Trigonometric Ratios to find Missing Information

asked Jan 6 in Trigonometry Answers by anonymous | 46 views

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(Question and Details in Description)

asked Jan 3 by anonymous | 38 views

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A circle has a center at (1/2,2). If one endpoint of the is (-5,7), what are the coordinates of the other endpoint?

asked Jan 3 by anonymous | 33 views

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The coordinates of the vertices of a square are (2,10),(8,4),(2,-2), and (-4,4). What's the approximate area of the square?

asked Jan 3 by anonymous | 33 views

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A triangle has the vertices X(3,1), Y(6,2), and Z(4,3). Which is true?

asked Jan 3 by anonymous | 31 views

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Three verticles of a rectangle are at (-5,3),(1,-1) & (-1,-4). What are the coordinates of the fourth vertext of the rectangle?

asked Jan 3 by anonymous | 22 views

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The center of a circle is located at (0,4). The endpoint, X, of one of the circle's radii is (-4,-5). Segment XY is a diameter of the circle. Where is point Y located?

asked Jan 3 by anonymous | 26 views

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Which of the following is an equation of the line that passes through the point (1,2) and is parrallel to the graph of 2x+y=3?

asked Jan 3 by anonymous | 26 views

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Triangle LMN has the vertices (1,6), (6,3) and (5,7). What type of triangle is LMN?

asked Jan 3 by anonymous | 35 views

1 answer

what does 1.2343234444322e24 equals to what ??????!!!!!

asked Jan 2 in Other Math Topics by anonymous | 28 views

1 answer

The salaries of the employees at a company are shown below. Which statement is true about the data set?

asked Jan 1 by anonymous | 42 views

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The data below shows the number of hours boys and girls spent studying for a test. What's the difference in the interquartile range between boys and girls?

asked Jan 1 by anonymous | 34 views

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The data sets (BELOW) show the test scores of a group for the last two tests. Which data set had the smaller standard deviation and by how much?

asked Jan 1 by anonymous | 29 views

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The data below (Bio) shows the donations in dollars, a charity recieved from some of its donors at a fund raising event. Find the 5-number summary.If there's an outlier, find the value.

asked Jan 1 by anonymous | 27 views

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Any pattern in 11-30-44-49-53-56? what are the next six numbers? Thanks a lot

asked Jan 1 in Algebra 2 Answers by anonymous | 33 views

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what are the next two numbers in a series 8,24,48,51? what is the pattern? Thank you.

asked Dec 31, 2019 in Algebra 2 Answers by anonymous | 34 views

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Two rockets were launched from a rooftop. The heights of the rockets x seconds after being launched are modeled by the functions shown below. (Shown in additional info). Which statement is true?

asked Dec 30, 2019 by anonymous | 35 views

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****TOO LONG BIO****

asked Dec 30, 2019 by anonymous | 38 views

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The height of a rocket in feet t second after it is launched is modeled by the function h (t)=-16t^2+125t+24. Which interval has the largest change in height?

asked Dec 30, 2019 by anonymous | 38 views

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The amount of profit a company makes from selling video games for x dollars is modeled by the function P(x)=-x^2+100x+350,000. To the nearest dollar, what price gives the maximum profit?

asked Dec 30, 2019 by anonymous | 41 views

1 answer

************ANSWER IS IN THE BIO INFORMATION BECAUSE IT WAS TOO LONG***********

asked Dec 30, 2019 by anonymous | 31 views

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The function h(t)=-16t^2+16t+32 models the height of a ball t seconds after it was thrown in the air. How long does it take for the ball to hit the ground?

asked Dec 30, 2019 by anonymous | 29 views

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Sam throws a rock up in the air. The equation h(t)=-16t^2+160t+4 represents the height of the rock in feet. What's the maximum height it reaches?

asked Dec 30, 2019 in Other Math Topics by anonymous | 24 views

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The function h(t)=-16t^2+32t+128 represents the height of a cannonball in feet t seconds after its shot from a cannon. How many seconds does it take the cannonball to hit its target on the ground?

asked Dec 30, 2019 in Other Math Topics by anonymous | 40 views

1 answer

What is the volume of the small cone?

asked Dec 27, 2019 in Geometry Answers by Rachel Levin | 55 views

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A soccer ball is kicked upward and follows a trajectory modeled by the function h(t)=-4t^2+16t+20. After how many seconds will the ball hit the ground?

asked Dec 26, 2019 by anonymous | 29 views

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