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Equations
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Questions (43,410)
Solve the equation. Round to the nearest tenth if necessary.
1#: 7r - 7 = 2r +18 1. r= -5 2. r= 5 3. r= 2.2 4. r= 1.2
17 answers
asked by
shell
8,740 views
five vessels have equal capacities. Each vessel contains some milk. the ratio of the quantities of milk in these vesseles is
4 answers
asked by
Ram
7,470 views
A number on being divided by 10 and 11 successively leaves the remainders 5 and 7. Find the number.
ie, x/10 = remainder 5 and
4 answers
asked by
kumar
1,083 views
A spring is 25 cm long when stretched. The spring was stretched by 18% of its original length. Determine the original length.
7 answers
asked by
Danny
2,038 views
What is the value of s?
A. 35 B. 55 C. 70 D. 90
7 answers
asked by
idk
1,049 views
I added 18 to 3 times a number, the result is equal to 5 times the number. what is the number ?
13 answers
asked by
gift
3,007 views
a photocopy store advertises the following prices: 5 cents per copy for the first 20 copies, 4 cents per copy for the 21st
7 answers
asked by
P
2,171 views
If 3 different digits represent 3 different letters and each time a letter appears it represents the same digit how do i find
4 answers
asked by
Janice
2,391 views
x varies yz when y = 2 and z = 3, x = 30 (a) find the relationship between x, y and z.
(b) find x when y = 4 and z = 6
7 answers
asked by
Abubakar
1,718 views
one less than a positive number times three more than that number is 32. Find the number
4 answers
asked by
Jony
4,946 views
anika grows vegetables and sells them at the farm stand. She gives the a discount to local restaurants. The table shows the
6 answers
asked by
Allison
2,071 views
the sum of two irrational numbers multiplied by the larger one is 70 and their difference is multiplied by the smaller one is 12
7 answers
asked by
Nithin
4,044 views
what is an equation of a parobola with the given vertex and focus?
vertex(5,4) and focus(8,4) Can someone show me the steps to
7 answers
asked by
lee
3,697 views
For the function f(x) = x^2 - 4x +5, x>= 2, which is equal to d/dx (f-1 this is the inverse)(x)) ?
1/(2y-4) where x and y are
5 answers
asked by
Thomas
3,632 views
Need a formula; the product of two consecutive integers is 41 more than their sum. Find the integers.
5 answers
asked by
Nelson
2,205 views
the average for a grade on a test taken by 20 students was 75. When one more student took the test the class average became a
5 answers
asked by
Kaelyn
2,026 views
Given Equation AX + BY + C = 0, which following conditions would be true for graph of line to have a negative slope and a
6 answers
asked by
Alison
1,484 views
An architect is designing an office building with n floors that will have an FM radio antenna 15.85m tall on its roof. Each
5 answers
asked by
Harry
2,398 views
A population of 1000 individuals has 110 births and 10 deaths in a year. Its growth rate (r) is equal to?
3 answers
asked by
Veronica
717 views
Write euations to show how a buffer made up of equimolar amounts of acetic acid, CH3COOH, and acetate, CH3COO-, would behave
3 answers
asked by
Lan
1,520 views
Identify the second step in solving this equation for y -3(y-6)=21
3 answers
asked by
personfromgamerscorner
112 views
Kelia is solving an equation for x . Her second step is to multiply both sides of the equation by 4. Which equation is she
3 answers
asked by
zendaya
159 views
school plans to spend twice the amount it did last year on its winter dance, less the cost of the disco ball which was $150,
2 answers
asked by
ihatemyteacher
470 views
Peter has money in two savings accounts. One rate is 9% and the other is 11%. If he has $200 more in the 11% account and the
4 answers
asked by
harley
1,732 views
The cost C,of printing a newspaper is partly constant and partly varies as n,the number of printed newspapers.
(1) Express C in
3 answers
asked by
Kelvin Bauti
219 views
Solve the equation nP5/nC3=12
4 answers
asked by
Tamen miracle
973 views
Alex bought 144 bagels for $80. His profit was $75 once he had sold 100 bagels. Which equation represents Alex's profit,P as a
5 answers
asked by
Bethany
2,465 views
Which expression represents 3 times the sum of 2 and 5?
7 answers
asked by
Kaisen
918 views
At what value of h is the rate of increase of √h twice the rate of increase of h?
(a) 1/16 (b) 1/4 (c) 1 (d) 2 (e) 4
5 answers
asked by
T
2,043 views
An owner list his home and agrees to pay a 6% commission provided he nets $10,000 after paying the commission and the balance of
3 answers
asked by
Linette
2,181 views
An employee worked 11 hours in a day. Her regular working day is 7.5 hours and the rest was overtime, for which she was paid 1.5
6 answers
asked by
Anonymous
4,264 views
I need to write "8 less than one-sixth of C" as an equation. I thought it was 8-1/6C but that was wrong so I'm confused???
5 answers
asked by
Danielle
2,216 views
The difference between three-fourths and three-fifths of a number is 9. Determine the number?
7 answers
asked by
The difference between three-fourths and three-fifths of a number is 9. Determine the number?
7,003 views
A number is subtracted by 150. The result is the same as the number divided by 7. What is the number?
7 answers
asked by
Emma
1,746 views
which of the following tables of values is correct for the equation y=-3x^2.
A. X Y (X,Y) -2 12 (-2,12) -1 3 (-1,3) 0 0 ( 0,0) 1
68 answers
asked by
nebula🌌
19,561 views
A salesman receives a fixed salary of $500 per week. In addition he is paid 12% of all sales over $1000. Write the formula that
7 answers
asked by
Anonymous
4,558 views
I think of a number and multiply it by 3 i add 6 to it and divide by 5 the result is 2 find the number
7 answers
asked by
Anonymous
2,941 views
Three even numbers sum up to 126. The smaller is half the larger and the middle number is 3/4 the larger. What are the three
5 answers
asked by
Keonn'a
5,250 views
The sum of digits of a three-digit number is 14, and the ten's digit of the number is one more than the unit's digit. If the
7 answers
asked by
Tay
4,845 views
A yoga studio has two participation plans. For the first plan, the cost is $8 per visit. For the second plan, the cost is $40
5 answers
asked by
J.J Powell
845 views
A Ferris wheel has a maximum height of 245 feet and a wheel diameter of 230 feet. Find an equation for the wheel if the center
5 answers
asked by
ll
17,506 views
7/11litres of a tank is filled with water.24 litres more water are needed to fill the tank completely.What is the volume of
7 answers
asked by
Harry
1,798 views
How many solutions does the equation cosx + 1/2 = 1 have for 0<x<2pi
cosx+1/2=1 cosx+1=2 cosx=2-1 cosx=1 therefore 1 solution? A)
5 answers
asked by
Jake
1,775 views
Please help me ASAP!!! I HAVE NO IDEA HOW TO DO THIS!!!!
John, Rick, and Molli can paint a room working together in 6 hours.
6 answers
asked by
mmmmmaaaai
1,783 views
Graph the equation y = 1 + 2 sin x. This curve crosses the x-axis in several places. Identify all the x-intercepts with 0 < x <
4 answers
asked by
grace
1,352 views
Make m the subject of the relation h = mt ÷ d(m+p)
7 answers
asked by
Macleana sannah
1,902 views
In one month a salesman sold a total of 30 cars and trucks. If three times the number of cars sold equals twice the number of
3 answers
asked by
jane
852 views
Lily is very happy with the fuel efficiency of her new car. She estimates that she can drive 14 km per litre of gas. What is the
7 answers
asked by
Emma
1,465 views
If all the numbers are in binary system, solve the equation x divided by x+101=110 divided by 1000
4 answers
asked by
Kofoworola
861 views
The mass of six equal books is 2.82 kg. Calculate the mass of one book (a)in kg (b)in g
5 answers
asked by
rutherford
1,485 views
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