Math

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math
I am prepping for a mid-term. A deep sea diving bell is lowered at a rate (constant). After 10 min, the bell is at a depth of 300 ft. After 30 min the bell is at a depth of 1400 feet. What is the ave. rate of lowering per minute? Thanks

math
okay so I have two questions that i'm completely stuck on ;-; 1.You want to buy three books that are on sale at 20% off. The original prices of the books are $2.50, $4.95, and $6.00. How much will you save? Calculation With Distribution (Show all steps.) Calculation Without ...

math
Use the Distributive Property to expand the expression –3(6.3x + 1.5y).

Math
Explain how you know to use a variable in an addition or subtraction expression

math
An urn contains 10 red balls, 6 green balls, 15 orange balls, and 14 blue balls. If one ball is randomly drawn from the urn, what are the odds against the ball being red? State your answer as a ratio using a colon to separate the two numbers.

Math
A photographer changers a sitting fee of $15for each pose writte a function to describe the situation find a reasonable domain and range for up to 5 pose

Math
Tia ran 2 and 7/8 miles. George ran 1 and 1/10 miles.About how many more miles did tia run than George? Place a star on the number line to show your estimate

Math
A page out of a magazine had a 15 by 15 sheet of 225 stickers. How many of these stickers are not on the border of the page?

Math
A green paint is created by mixing 3 parts of yellow with every 5 parts of blue. How many gallons of yellow paint are needed to make 44 gal of this green paint?

Math
What are addends

Math
The blueprints for a new house or scaled so that 1/4 inch equals 1 foot. the blueprint is the preimage and the house is the dialated image. The blueprints are plotted on a coordinate plane. A. What is the scale factor in terms of inches to inches?

Math
In angle DEF, d=13.5 cm, e=18.2 cm and F = 60 degrees Determine the measure of f to the nearest tenth of a centimetre. I know the answer is 16.4 cm but how do I get it

Math
How to find the average of decimals

Math
Matthew got 36 problems rights out of a total of 40 problems on a tes.wht percent of the problems did he her rights

Math
All planets revolve around the sun in elliptical orbits. Uranus's furthest distance from the sun is approximately 3.005 times 10 to the ninth power km, and it's closest distance is approximately 2.749 times 10 to the ninth power km. Using this information, what is the average ...

Math
Li cut a 6inch piece of string into pieces that are each 1/2 how many string did she get

Math Lesson 10 Unit 4 Real No Coordinate Plane U.R
Does anyone know the answers to this Unit Review Practice. It’s has 19 questions and it’s from Connexus. Can anyone help?

Math
Each ounce of a substance A supplies 2% of the nutrition a patient needs. Substance B supplies 15% of the required nutrition per ounce, and substance C supplies 15% of the required nutrition per ounce. If digestive restrictions require that substances A and C be given in equal...

math
hOW can I solve this by elimination? I know how to solve by substitution but not elimination 3x – 2y = 0 9x + 8y = 7

math
how would I solve this using ELIMINATION not substitution -2x+3y=1 -4x+y=-3

Math
John is makeing a book and he use 228 digit how many page does he have

Math
So my question is find the circumference of the circle in terms of Pi then use the approximation 3.14 for pi and approximate the circumference. How would I do this? The radius of the circle is 2m.

Math
Hi, if anyone can help me with this problem I would greatly appreciate it. I understood all my other math problems except for this one. So if anyone could help walk me through the steps so I know for next time how to solve problems like this I would appreciate it :D. 1.Write ...

Math
Multiple Choice   Choose the best answer. For questions 1–3, rewrite the expression using exponents. 4 × 4 × 4 × 4 × 4 A. 54 B. (My choice) 45 C. 44 ====== 3 × 3 × 3 × 3 A. (My choice) 34 B. 43 C. 35 ===== 10 × 10 × 10 A. 310 B. 101 C. 103 (My choice) ====== For ...

Math
1/11 x 3/9

Math
On a given blueprint, 1 inch = 12 feet. If the dimensions of a recreation room on the blueprint are 2 inches × 1.75 inches, what are its actual measurements? 1 ft x 12 ft 6 ft x 7 ft 22 x 18 ft 24 ft x 21 ft WHAT IS ANSWER HAVE NO IDEA PLZ!

Math
I am supposed to figure out what this rational function is by using these clues and I am a little confused. Can someone please explain how I do this? asymptotes: horizontal~none vertical~x=-4 slant~y=x+1 end behavior~ f(x) approaches infinity as x approaches infinity; f(x) ...

math
Paulo earns a salary of 15000$ per month for selling cell phones. He receives an extra 30$ for each cell phone over 100 units that he sells. How much will be make if he sells R cell phones? 50 cell phones?

math
Grandmother is 3 years younger than grandfather. Nine years ago, the sum of their ages was 105. How old are they?

math (connections academy)
has anyone done the Unit 4 Lesson 11 Real Numbers and the Coordinate Plane Unit Test??? i need the answers so i can check if mine are correct!! please help!!!

math
solve this system of equations using the linear combination method -3x+12y=-27 5x+20y=15

Math
-6 greater equal to 13 + 5 which of these values of X makes the inequality true -3.9 -1.2 3/13 -7/15 Please help explain answer

Math
-6 greater equal to 13 + 5 which of these values of X makes the inequality true

Math Algebra 8
a={1,3,4}, b={x| x is an even whole number less than 9}, c={2,5,7,10}, and d = {x| x is an odd whole number less than 10} b U c

math
Julia’s frogs are 2 5 of the amount of Rimma’s frogs. If Rimma gives 1 2 of her frogs to Julia, what will be the ratio of Julia’s frogs to Rimma’s frogs?

Math
How much of​ a(n) 60% orange juice drink must be mixed with 8 gallons of a 30% orange juice drink to obtain a mixture that is 50% orange​ juice?

Math
The manager of a store selling tea plans to mix a more expensive tea that costs $5 per pound with a less expensive tea that costs $2 per pound to create a 140​-pound blend that will sell for $3.80 per pound. How many pounds of each type of tea are​ required?

Math
The perimeter of a rectangular garden is 108 meters. The length is 6 meters longer than twice the width. Find the dimensions of the garden.

Math
What is the word form for the number 12+0.2+0.005

math
can any one show me how to solve this problem 12 -(1/2 + 2/3)

math
89.75 scooter;7 1/4% tax

math
w/6+5/8=-1 3/8

math
the expression 1/4y+3/8 factored is?

Math
Each ounce of a substance A supplies 2% of the nutrition a patient needs. Substance B supplies 15% of the required nutrition per ounce, and substance C supplies 15% of the required nutrition per ounce. If digestive restrictions require that substances A and C be given in equal...

Math
you want to buy three books that are on sale at 20% off. the original prices of the books are $2.50, $4.95, and $6.00. How much will you save? Calculation With distribution. Calculation without distribution.

math
Two small charged spheres are placed so that their centres are 12.5 cm apart. The force of repulsion exerted by one charged sphere on the other is 0.432 N. If the charge on one of the spheres is +2.50 x 10-7 C, then the charge on the other sphere is Select one: a. +3.00 x 10-6...

Math
An airline manager found that during a 24-hour period,1,400 passengers passed through one terminal.What was the rate of passengers flow?

Spanish
1. Choose the most logical answer for this question: ¿Dónde está el teclado? (1 point) El teclado está en el ratón. El teclado está debajo del ratón. El teclado está al lado del ratón. El teclado está encima del ratón. 2. Choose the most logical answer for this ...

math
the diffrence is 90 and the quotient is 10

Math
For questions 1–3, use the Distributive Property to write an equivalent expression. 1. 2f + 10 (1 point) A. f(2 +10) B. 2 (f + 5) C. 2(f + 10) 2. 20 + 24g (1 point) A. 4 (5 + 6g) B. 20 (1 + 4g C. 5 (4 + 6g 3. 32b - 20 (1 point) A. 4(8b - 20) B. 2(32b - 10) C. 4(8b - 5) For ...

Math
1)Susan wants pizza for her birthday party. It costs $8 per pizza plus a $5 delivery fee. She doesn't know how many she needs, so she calculates the price for various numbers of pizza. How would I find out if this is linear or non-linear

Math
A car rental agency advertised renting a car for $26.95 per day and $0.31 per mile.If Kevin rents this car for 33 ​days,how many whole miles can he drive on a $250 ​budget?

math
Clarence is a salesman who receives 8% commission on every sale he makes . If his most recent sale helped him earn $216 in commission , how much was his sale ? I tried this but getting the wrong answer actual answer is $2,700

math
Rita would like to change a $10 bill into dimes and quarters. she wants to have 12 more quarters than dimes.how many of each should receive?

Math
how many whole numbers are between the square root of 8 and the square root of 80?

Math Help
The area of the parallelogram is given. Find h ———————————-\ | \ \ | \ \ h | \ 12m2 \ | \ \ | \ \ | \ \ — — ——————————--\ h 6m

math
clarence us a salesman who receives 8% commission on every sale he makes. If his most recent sale helped him earn $216 in commission , how much was his sale?

math
Jan and pete are home decorators. Jan can paint 3 rooms in 2 hours. Pete can paint 2 rooms in 3 hours. If they work together, about how many hours will it take jan and pete to apint 6 rooms.

math
a radio program has a quiz consisting of 3 multiple choice questions, each with 3 choices. A contestant wins if he or she gets 2 or more of the questions right. The contestant answers randomly to each question. What is the probaility of winning?

Math?
Which expression is equivalent? −5(−3x − 6) A) 15x + 30 B) 15x − 30 C) −15x + 30 D) −15x − 30

math
A bag contains 12 red balls and 10 blue balls. A ball is drawn at random. The probability that ball drawn is red is

Math
A new stretch of road is 9.14 miles long, and is constructed primarily out of asphalt. Each lane is 18.0 feet wide, and the road only consists of two lanes. The average thickness of the asphalt along the road is 5.49 inches. How many cubic meters of asphalt is there in the ...

Math
In tje equation y=15x-45 Would the slope be 45 or -45? I think it’s -45.. am I right?

math
The number of years of education of self-employed individuals in the United States has a population mean of 13.6 years and a population standard deviation of 3.0 years. If we survey a random sample of 100 self-employed people to determine the average number of years of ...

Math
In a group of 40 students, 22 study Economics, 25 study Law, and 3 study neither of these subjects. Determine the probability that a randomly chosen student studies: 1. Both Economics and Law 2. At Least one of these subjects 3. Economics given that he or she studies Law I ...

Math
Translate the phrase into an algebraic expression. Five times k A 5k (my answer) B k + 5 C k divided by 5 D 5 - k Evaluate the expression when a = 6 a-24 A - 30 (My answer) B - 18 C 18 D 22 Evaluate the expression when s = 9 and t = 12 2s - t A - 6 B 6 C 15 (MY ANSWER) D 30

Math
(1) The curved surface area A of a cone of height and base radius is pie R squareroot H square+T square. (a) Make H the subject of the formula. (b) Find the height of a cone of area 550cm Square and base radius 7cm, taking pie to be 22/7. (2) if nSquare _ 1 over m = 4. (a) ...

math
What is the solution to (4 x 10^3) x (6 x 10^6), written in scientific notation?

math
solve the inequality. explain each step and identify the property used for each step. 5z >_ -75

Math
Betty decides to compare the diagonals of both the square and rectangular tables customers will use in the coffee shop. Her measurements show that the square tables have a side length of 34 inches and the rectangular tables are 29 1/3inches wide and 35 inches long. She uses ...

Math
Betty decides to support local artists by hanging their artwork in her shop. When decorating the coffee shop, Betty comes across the following formula for placing pictures on her walls: 1/3 |a-12|+ 2/3|a|where a equals the number of pictures that she would like to hang. What ...

Math
m-7<6

MATH
this basic recipe for split pea soup serves 8 people. Find the amount of each ingredient that serves 32 people. I CANT FIGURE IT OUT URGENT QUESTION

math
a single ball is drawn from an urn containing 6 balls numbered 1 through 6. Find the probability that the ball choose as follows. an even-numbered ball or an odd-numbered ball

math
What is the slope of the line passing through the points (−1, 3) and (4, −7)?

Math
If a certain number is increased by 5, one - half of the result is three - fifths of the excess of 61 over the number. Find the number

Math help
Most states require students to pass an algebra course in order to graduate high school. Why do you think this is? Explain why you agree or disagree with this requirement

Math
In a group of 40 students, 22 study Economics, 25 study Law, and 3 study neither of these subjects. Determine the probability that a randomly chosen student studies: 1. Both Economics and Law 2. At Least one of these subjects 3. Economics given that he or she studies Law I ...

Math(check answers)
Find the LCD of 3/5 and 1/6 a.5 b.6** c.11 d.30

Math
When doing a calculation involving zoning laws, Tim comes across the following expression: fraction numerator a minus open vertical bar a close vertical bar over denominator a end fraction, where a is either a positive or a negative number. (A) What is the value of the ...

Math
Use inverse operations to solve each equation. Explain each step and identify the property to reach step 19 = h/3 - 8 Solve the equation. Explain each step and identify the property used to reach step. 0.6x + 0.8 = 1.4

Math
Tim’s client wants to sell her house and needs an estimate of its value. To get an initial estimate, Tim averages the sale price of similar homes in the area. He also adjusts the value of each of these homes using a multiplier to take any differences in value into account. ...

Math
Find all 3-digit numbers that have the sum of the digits 7, and where each digit is smaller than the one on the left of it. ------------ Real Desperate for answer. I'll miss Halloween if i don't get this done.

Math
In a group of 40 students, 22 study Economics, 25 study Law, and 3 study neither of these subjects. Determine the probability that a randomly chosen student studies: 1. Both Economics and Law 2. At Least one of these subjects 3. Economics given that he or she studies Law I ...

Math
A surfer paddles out past breaking waves, rides a wave, paddles back out past the breaking waves, rides another wave back to the beach. Draw a sketch of a graph (with labels) that shows the surfer’s possible distance from the beach over time. What exactly does that mean?

Math
Given P(A) = m is the probability of event A occurring in any given trial: 1. State the range of possible values of m 2. Suppose two trials are performed independently. Find, in terms of m, the probability of A occurring: a) Exactly once b) At least once I am very confused of ...

math
verify The set of all 2 × 2 invertible matrices with the standard matrix addition and scalar multiplication is a vector space or not?

Math
Write and solve an equation for each of the following. Triangle ABC is congruent to triangle DEF. AB = 2x - 10, and DE = x + 20. Find the value of x and AB. I don't even know where to begin, please help.

math
An architect draws blueprint of house using scale 1 inch equals 6 ft. Kitchen measures 19 1/20th by 22 1/2 ft, what are the dimensions for the kitchen

Math 30-1
1) Determine the approximate measure of all angles that satisfy the following. Give answers to two decimal places. Use diagrams to show the possible answers. a) cos θ = 0.42 in the domain -π ≤ θ ≤ π b) tan θ = -4.87 in the domain - _ π 2 ≤ θ ≤ π c) csc θ = 4....

Math
(1.) 7 2/7 x 3 7/9 (use benchmark to estimate the sum difference or product A 32 B 28 (My answer) C 24 D 21 (2.) Find the sum 3/9 + 4/9 A 7/9 B 7/18 C 7/81 (my answer) D 2/3 (3.) Find the Sum 14 2/9 + 11 2/3 A 25 8/9 B 25 1/9 C 25 1/6 (my answer) D 25 2/3 (4.) Find the Sum -4/...

math
I have decided that a 300 foot tall tower needs an extra guide wire. The location I have chosen is 1000 feet from the base of the tower. What angle does the wire make with the ground and what length will the wire be?

Math
Use benchmark to estimate the sum, difference, or product 14/16 + 1/5 A - 2 B - 0 C - 1/2 D - 1 My answer is A

Math
Two tourists went on a hike at dawn. One went from a to b and another one went from b to a. They met at noon but did not stop and continued walking maintaining same speed for the whole trip. One finished his hike at 4pm in B and another one came to A at 9 pm. At what hour was ...

Math
Weight(lb): 4,5,46 Total Cost($): 17.40,21.75,200.10 a.proportional? _________ b.equation? _______ c.weight: __________ d. total cost: ________ My answers: a. Yes b. Y=4.35x c. don't have one d. don't have one I am no sure how to find the answers for c and d, please help

math
If 2 adult tickets and 1 child ticket cost $8 and if 1 adult ticket and 3 child tickets cost $9, what is the price of each ticket

math
find three consecutive odd integers such that the sum of three times the first and the third is 72

Math
1.| The average annual railfall for a town is 43.2 inches. A.what is the average. Monthly rainfall? B.|the difference of a given month's rainfall from the average monthly rainfall s called the deviation for each month shown? Town's Rainfall in last three months [Month] may| ...

math
15(p-4+2)

Math
Kelly is 66 inches tall. How tall is she in feet?

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