if twice a number is subtracted from thiry-seven, the result is seven less than that number. Find the number.
how do I set this problem up and how do i solve it. I have trouble knowing how or where to start when solving word problems.
how do I set this problem up and how do i solve it. I have trouble knowing how or where to start when solving word problems.
If ak = 5 +52 + 53 + 54 + … + 5k , for what value of k will ak be divisible by 10?
If a_k= 5 + 5^2 + 5^3 + 5^4 + ... + 5^k , for what value of k will a_k be divisible by 10?
Exactly 5 actors try out for the 5 parts in a movie. If each actor can perform any one part and no one will perform more than one part, how many different assignments of actors are possible?
In Steve's math class,12 students play the piano and 17 students play the guitar. If a total of 19 students play only one of these two instruments, how many students play both instruments?
Grandma gave some cards to Ritchie and some to Erin. She gave 6 times the amount to Erin as she did to Ritchie. If the total amount she gave them was 280 cards, how many did she give to Ritchie?...
a math word problem that i am stuck on.
A box with an open top has a square base and four sides of equal height. The volume of the box is 45ft^2. The height is 2 ft greater then both the length and the width. if the surface area is 69ft...
the hypotenuse of an isosceles right triangle is 9cm longer than either of is legs.find the EXACT length length of each side
I dont know what this is for so im typing in twenty characters
The weight of an object on Planet A and the weight of the same object on the Planet B are proportional. An astronaut who weighs 160 pounds on Planet A weighs 26.7 pounds on Planet B. What is the weight...
Fill in the boxes with the numbers 1,3,5,7,9,11,13,15,and17 such that the sum of the numbers in the horizontal,vertical and diagonal positions are the same. Each number can only be used once.&nbs...
The subway train offers access to all 12 intersections downtown. If every intersection is .75 miles apart and the train travels at 20 mph and spends 45 seconds at every stop to unload and onboard...
I am a number greater than 99 and less than 1,000. Two of my digits that aren't next to each other are the same. My tens digit could not be greater and it is 1 more than my hundreds digit. What number...
A metallurgist has one alloy containing 36% aluminum and another containing 68% aluminum. How many pounds of each alloy must he use to make 47 pounds of a third alloy containing 46% aluminum?...
please round the answer to the nearest whole number
an army of men can line up to march in rows of 1,2,3,4,5,6,7,8,9 or 10 and there is never any rows that is incomplete. what is the smallest number of soldiers in the army?
ASU bookstore is selling silk-screened T-shirts for the Thanksgiving Homecoming game. The setup fee is $150.00. The total cost to produce 100 T-shirts is $2000. The bookstore will sell...
The change in temperature in a certain chemical reaction is given by the equation:T(x)=-0.324x^3+10.3x^2-3.23 x is the length of elapsed time since the start of the reaction and T(x) is...
I couldn't figure out how to solve these two problems and have to show ALL my work for both, if someone could help me I would appreciate it thanks! 1. The perimeter of a rectangular...