# Let x be the unknown number. If a number divided by −42 is increased by −89, the result is −87. n/-42-89=-87 or is it n/-42+-89=-87

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1. ## Science

1. Which of the following best describes an atom? A) protons and electrons grouped together in a random pattern B) protons and electrons grouped together in an alternating pattern C) a core of protons and neutrons surrounded by electrons* D) a core of

2. ## math

write each expression using n as your variable.then simplify fully. 1.five more than the sum of a number and ten. 2.the product of eight and seven less than a number. 3.the quotient of a number and three, increased by one. 4.ten less than the product of

3. ## algebra

three times a number decreased by 7 is equal to the number increased by 39. what is the number?

4. ## math

16 increased by twice a number Use the variable n to represent the unknown number.

5. ## MATH

How do I put these into equations? Five times the difference of a number and two is seven more than that number. Twice a number decreased by two is equivalent to than number increased by five. I am so lost

6. ## Math

twice the square of a positive number increased by three times the number is 14. find the number

7. ## Algebra

Check My answers Please- 1. 3(y + 1) for y = 2 a.6 b.9*** c.7 d.8 2. d + g/h for d = 45, g = 18, and h = 9 a.6*** b.7 c.3 d.4 3.The cost in dollars of a class party is 59 + 13n, where n is the number of people attending. What is the cost for 44 people?

8. ## Math

Translate the sentence into an inequality. Six increased by the product of a number and 10 is at most −16 . Use the variable x for the unknown number.

9. ## math

If the digits of the number are reversed, the number is increased by 36. The sum of the digits in the number is two and one–half times their difference. What is the number?

10. ## Math

When 1 is subtracted from 5 times a number and a result is divided by 3 more than twice the number we get 4/5.find the number.

11. ## math

write a word phrase for p divided by 3 A. a number plus 3 B. a product of a number and 3 C. a quotient of a number and 3 D. a number decreased by 3

12. ## Algebra

If 12 less than 4 times a number is 8, the number is 5. Write a different sentence where the unknown number is also 5.

13. ## Math

which expression represents the sum of x and negative 11 A.-11+x B.x+11 C.-11x* D.-11-x which phrase is represented by the expression x/-6 A.negative 6 times x B.x divided by negative 6 C. the sum of x and negative 6* D.negative 6 divided by x which phrase

1. 3(y+1) for y=2 A.6 B.9** c.7 D.8 2.d+g/h for d=35 , g=19 , and h=6 A.9** B.2.7 C.7.3 D.8 3. the cost in dollars of a field trip is 64+14n , where n is the number of people attending . what is the cost for 48 people? A. \$736** B. \$126 C. \$896 D. \$910 4.

15. ## Math

Which of the sentences below could represent 4 ÷ p = 2? A. Four divided by two is equal to a number. B. Four divided by a number is equal to two. C. A number divided by four is equal to two. D. Four times a number is equal to two.

16. ## Math

Four times a number, diminished by 6, yields the same result as twice the same number increased by 4. Find the number.

17. ## algebra

1. a number increased by 21 is 28. find the number 2. a number decreased by 12 is equal to 30. find the number. 3. 8 less than a number is 15. fid the number

18. ## math

6 divided by the difference of a number and 2, minus 5 divided by a number plus 2, equals 5 times the reciprocal of the difference of the number squared and 4. What is the number? Please help ASAP!!!!!!!!! :(

19. ## algebra

If four times a certain number increased by 6 is equal to 94, what is the number? If x represents the number, then which of the following equations could be used to solve the problem? 4x + 6 = 94 or 4(x + 6) = 94

20. ## Mathematics

A number is subtracted by 150. The result is the same as the number divided by 7. What is the number?

21. ## Math

the number is less than 20 it is an odd 1 digit number, is not the number of sides of a triangle it can be divided by 3

22. ## Math

Write the word sentence as an equation. The product of a number m and 2 is 8 2m=8 6 less than a number t is 7 t-6=7 A number m increased by 5 is 7 ? 8 is the quotient of a number g and 3 ?

23. ## Math

A class has 42 pupils. The ratio of the number of boys to the number of girls is 5 : 2. Find the number of boys in the class. My understanding is that in order to find the number of boys, you need to find BOTH genders first, and so I could only get up to

24. ## Math

I CAN NOT FAIL THIS PLESE HELP ME! Write a word phrase for p divided by 3 1 a number plus3 2 the product of a number and 3 3 the quotient of a number and 3 4 a number decreased by 3

25. ## 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

26. ## algebra I

find all numbers such that a third of a number increased by half that number is at least 3 less than that same number. not sure what to do

27. ## Algebra

Write algebraic expression for the given quantity. Let x represent the unknown value. Eight increased by half of a number. I put. X=8+1/2

28. ## Math

If n represents a number then write the expression for the difference of three times the number after it was increased by three and twice that number

29. ## Estimation decimal quotient

Use compatible numbers to find the each quotient ,2.90 divided by 29,48 divided by 3.2, 0.18 divided by 0.33,152 divided by 5.12,41.9 divided by 19,33.90 divided by 10.2, 502 divided by 9.5, 180.8 divided by 6 , 48 divided by 3.33, 0.65 divided by 5.1,18.2

30. ## math

the square root of 5 less than 6 times a certain number is divided by the number and the quotient is 1.Find the number

31. ## mathematics

when 2 is subtracted from four times a certain number and then divided by 7, the result is the same as when 1 added to the number.What is the number

32. ## Math

There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom the probability that it is a boy is 3/4. Which mistake did Mrs. Johnson make? A. She divided the number of girls by the total

33. ## algebra

If a number divided by −64 is increased by −74, the result is −71. is this correct y/-64 -74=-71

34. ## Math

1. The sum of a number and 2 is 6 less than twice that number. 2. A rectangular garden has a width that is 8 feet less than twice the length. Find the dimensions if the perimeter is 20 feet. 3. Complementary angles sum up to equal 90 degrees. Find the

35. ## Algebriac Expressions

2 less than 7 times a number = 2) Sarah's age decreased by 2 = 3) One third as many books = 4) Earns \$13 per hour = 5) 4 years younger than Marcus 6) 2 times a number, decreased by 4 7) 9 less than the product of 15 and a number 8) The quotient of a number

36. ## Math

Here is the math problem. 150 is 75% of what number? I know the rate is 75 percent and the base is 150. I am looking for the amount. My questions is how to find the answer? Do I divide? Okay maybe I am missing a huge section as to finding the answer to

37. ## math ALG 2!

Four times a certain number is the same as the number increased by 78. Find the number i thought it was 20.plz help

38. ## algebra

Please check A number m decreases by 4 m-4 A number d divided by k,minus 6 D/k-6 A number b less 8 B-8 The sum of a number m and 10 M+10 18 divided by a number r 18/r 32 decreased by a number n 32-n A number k increased by itself K+k

39. ## math

five times an unknown number decreased by the same unknown number is less than the opposite of the sum of the unknown number and five

40. ## Math

A number divided by 14 is 6. Find the number. Use a let statement. Write the equation. Let x = number divided so X= 14/6 X= 2.33

41. ## math , algebra

Can someone correct these (1) -5^2-3 25-3 22 (2) The sum of m and n, divided by the difference of m and n. My answer: (m+n)/ (m-n) (3) The quotient when 3 more than a number is divided by 3 less than that same number My answer: (x+3)/(x-3) These are all

42. ## math

During last year the number of students in RSM increased by 100%. This year, the number of students increased by 150%. What percent of the number of students now was the number of students two years ago?

43. ## algebra homework help

Let z be the unknown number. −61 times the difference between a number and 56 is equal to the number plus −28 Is this correct: -61(z-56)=z-28

44. ## algebra homework help

Let y be the unknown number. The difference between a number and 11 is equal to the number times 8. Is this correct y-11=y(8)

45. ## Math

I don't understand what this question is implying. . The number of cells increased 160 percent. If the original number was 800, what was the final number?

46. ## Pre Algebra

A number is divided by -4, then multiplied by -5. The result is 40. What is the number? I had problem finding a formula for it. And this one was also like it. A number is multiplied by -8, then divided by -4. The result is 4. What is the number?

47. ## math

Translate the following into an algebraic espression and set up the related equation. Let y be the unknown number. Some number minus 6 is equal to the number times 17 Translate "the number times 17"

48. ## Math

If 12 less than 4 times a number is 8, the number is 5. Write a different sentence where the unknown number is also 5.

49. ## math

if 12 less than 4 times a number is 8, the number is five. Write a different sentence where the unknown number is also 5

50. ## Math

Use symbols to represent unknowns and variables. Write inequalities to answer questions arising from situations. 1. Ten less than a number, x, is greater than 32. 2. A number, n, decreased by 6 is less than or equal to 4. 3. One half of a number, increased

51. ## Math

Write an algebraic equation for each of the following sentences. _____________ 12) One-third of a number is thirty-five. _____________ 14) Two times the sum of a number and five is twenty six. _____________ 16) The quotient of a number and two increased by

52. ## algebra homework help

Let x be the unknown number. If a number divided by −42 is increased by −89, the result is −87. n/-42-89=-87 or is it n/-42+-89=-87

53. ## algebra homework help

Let x be the unknown number. If a number divided by −42 is increased by −89, the result is −87. 8/-42-89=-87

54. ## Math

Directions: Write an expression for each of the following. Use n for the unknown number Questions: four less than a number a number increased by the same number I am confused, thanks!

55. ## math

A movie theater ticket booth opens at 10 am. There are four tellers who divide the customers evenly. The tellers have served 16 customers so far this morning. which expression represents the unknown number of customers each teller will serve? Let c

56. ## Applied Math

How would I set this up to work? When a number is divided by 5 and the quotient is increased by 8, the result is 16. Find the number.

57. ## algebra

Please check A number p divided by 7 p/7 9 times a number a 9xa 6 times a number c, minus 5 6c-5 a nujmber m divided by m, plus 89 m/89 the product of 0.8 and a number y 0.8 x y 1/2 more than a number b 1/2+b I have to write an inequality need help An

58. ## math

What is the lowest numberthat has a remainder of 1 when divided by 2 and a remainder of 2 when devided by 3 and a remainder of 3 when divided by 4 and a remainder of 4 when divided by 5? The answer is 59. There is a general method for solving such problms,

59. ## math

Please check 6 more than a number n 6(n)+9 A number m multiplied by 7 7xm 9 less than a number w 9-w The sum of a number a and 9 9+a A number k minus 7 K-7 5 times a number h,plus 12 5*h + 12 5 increased by a number g 5+g

60. ## Math

There are 12 girls and 9 boys in Mrs. Johnson's classroom. She said that if she randomly selects one student from her classroom the probability that it is a boy is 3/4. Which mistake did Mrs. Johnson make? A. She divided the number of girls by the total

61. ## math

Please can you help me with the following two questions? A. By making use of the correct order of operations, which of the following 3 equations are possible. 1) (35-13)x3= 2) 35-13x3 3)35-(3x13) B. Which of the following does not represent a whole number?

62. ## Math

A student was asked to divide a number by 12. Instead he divided the number by 24. In doing so he got a quotient which was 16 less than the original number. Which of the following cannot be the value of that number. A) 394 B) 398 C) 396

63. ## Math mrs sue

Can you check these? 18% of 90 is what number? i got 16.2 what number is 41% of 800? i got: 1951.22 what number 5% of 522? i got : 10440 70% of 279 is what number? i got: 195.3 what number is 90% of 13? i got : 14.44 9% of 351 is what number? i got: 32 36%

64. ## math percents

Can you check these? 18% of 90 is what number? i got 16.2 what number is 41% of 800? i got: 1951.22 what number 5% of 522? i got : 10440 70% of 279 is what number? i got: 195.3 what number is 90% of 13? i got : 14.44 9% of 351 is what number? i got: 32 36%

65. ## math

I don't know how to write these 2 sentences. One number is twice another number. Twice the lesser number increased by three times the greater number is 75

66. ## Chemistry

It takes 32 seconds for a certain number of moles of H2 to effuse through a leak in a tank. An unknown gas was later places under the same conditions; it took 1:39 for the same number of moles to effuse. Find the molecular mass of the gas. I set it up like

67. ## Math

I need help with these three problems. I cant figure them out. 3. The difference of two numbers is tripled. The result is decreased by 1. If the lesser of the two numbers is 4 the result is 8.3. Find the greater number. 4. A number increased by 21 is

68. ## algebra

The examples in the slideshow, Division by Zero, which is located in the media section of Chapter 1, indicate that there is a different answer when 0 is divided by a number, rather than when a number is divided by 0.

69. ## Chemistry

I'm doing something wrong with osmolarity. I have 100 ml of .9% NaCl. So what i did was take the MW (58.44) and divided it by the .9 because it should be grams, then divided that number by .1 (for the liters) but its coming out with a huge number and its

70. ## Math

Are these correct? two more than a number and four = 2 + n + 4 ten more than a number plus 3 = n + 10 + 3 three increased by a number minus 5 = n + 3 - 5 six and a number decreased by 7 = n+6-7

71. ## math

A number leaves reminder 6 when divided by 10. What is the remainder when the number is divided by 5? Justify your reasoning.

72. ## Math

When 8 is divided to a certain number and the result is divided by 6 the ans is less than 1quarter. Find the range of the number

73. ## Math :D

What is 2.17 increased by 0.0193%? I've been confused about this because I tried to do it how you're supposed to, (% divided by # times 100) but it just turns back to the number before it, 0.89. Some help would be nice :D

74. ## math

Lucy is supposed to subtract a certain number from 48 and divide the result by the same number. However, she divided 48 by the same number and subtracted the number from the quotient giving an answer of two. What should be the correct answer?

75. ## math help

1. a number increased by 21 is 28. find the number 2. a number decreased by 12 is equal to 30. find the number. 3. 8 less than a number is 15. fid the number

76. ## Math

40-3n=-23 what is n? 2/3-6h=-13/6 what is h? write as a equation,then solve. the quotient of a number and 2, minus 9, is 14 a number decreased by 7 and then divided by 5 is 13 the sum of 15 and 7 times a number is 99

77. ## math

1. Carlos works 8.25 h and receives \$102.30 pay. What will he receive at the same rate if he works if he works 14 h?\$173.60? 2. divide -15/-3=5? 3.Name the property of addition that is illustrated. (3 +6)+ 9 = 3+ (6 +9)ASSOCIATED PROPERTY? 4.Find the

78. ## math

can anyone help me with these 3 problems I am trying to check my daughters hoime work it has bee na few years. 1. The sum of n and twenty -two, multiplied by three, is 78 2. the product of z and 17 is less than or equal to the difference of twenty -one

79. ## math

What are the divisibility short cuts that help you out? Odd numbers can only be divided evenly by another odd number. Even numbers can be evenly divided by either odd or even numbers. 2---Numbers that end in 0, 2, 4, 6, or 8 are evenly divisible by 2.

80. ## Math

when the square of a number is increased by 10, the result is seven times the original number. find the number

81. ## math

The number 1 is NOT a PRIME number and is NOT a Composite number (can be divided by more than 2 factors). true or false

82. ## math

If 1 is less than a number is divided by 5 less than twice the number the result is 21over39 wat is the number? plsssssssssss answer!

83. ## Pampers

A number is multiplied by 4 and 6 is subtracted from it . The result is the same as when the number is increased by 15. Find the number

84. ## Math

Twice the square of a positive number increased by three times the number is 14. Find the number.

85. ## Pampers

A number is multiplied by 4 and 6 is subtracted from it . The result is the same as when the number is increased by 15. Find the number

86. ## Algebra

Here is my problem. Please walk me through how you got to the answer. Three-fourths of a number equals 3 times the number increased by 9. Is this the correct equation? 3/4n = 3n + 9 Here's another. In this one, does "is" mean "equals"? One-fourth of a

87. ## MATH

20% of a number is 8 ... fine the number 20 divided by 100 is 5, 8 divided by 5 is 1.6 is the answer 1.6/8 ?

88. ## Math

20% of a number is 8 ... fine the number 20 divided by 100 is 5, 8 divided by 5 is 1.6 is the answer 1.6/8 ?

89. ## maths need help word problem

A number is made up of two digits whose sum is 9. If this number is now divided into the number made up of the same digits but in reverse order the result is six-fifths. Find the number? Step plz

90. ## Math correction

(1)Translate the following statement into an algebraic equation. Lex x represent the number. 12 less than 5 times a number is 18 my answer: 5x - 12 = 18 (#2) 4 times a number, increased by 9, is 17. Find the number. My answer: 4x + 9 =17 looks ok to me.

91. ## maths

a number cosist of 2 digits.when the number is divided by the units digit.the answer is 3.if the digits are reversed.the new number exceeds the original no. by 36.determine the original number

92. ## Algebra

Four times the sum of 6 and a number is 6 increased by the same number. Find the number

93. ## Math

The product of seven and a number is the same as five times the number, increased by ten. What is the number?

94. ## math

my daughter needs help finding a mystery number. 1)when the mystery number is divided by 3,there is a remainder of 1. but it has to be the same thing over again with 4 remainder 2 and 5 remainder 4.And there is one more what is the smallest number that

95. ## math

i am a two digit number that falls in between 40 and 50. I can be evenly be divided by the number 5. what number and I ?

96. ## Statistics

a roulette wheel has 40 slots evenly divided between red (even) and green (odd) slots totaling 38 and a "0" and a "00". what is the probability of the ball landing in an: A)even number < 10 B) other than an even or odd number C) odd number > 15 D) even

97. ## Word Problem /Math

Angel's car gets 32 miles per gallon and Mo's car gets 22 miles per gallon. When traveling from Morgan Run to Clinton, they both used a whole number of gallons of gas. What is the closest that Morgan Run and Clinton could be? How many gallons did Angel's

98. ## Chemistry

Suppose a student diluted and titrated a bleach unknown exactly as described in the experimental procedure, except only a single titration was performed which required 16.22 mL of 0.100 M Na2S2O3. The density of the original, undiluted bleach unknown was

99. ## Chemistry

Suppose a student diluted and titrated a bleach unknown exactly as described in the experimental procedure, except only a single titration was performed which required 16.22 mL of 0.100 M Na2S2O3. The density of the original, undiluted bleach unknown was

100. ## math

Atdewberry Elementary there are 5 times as many boys than girls. Let (b) represent the number of boys. Which expression shows the number of girls students at the school. a. 5xb b. 5 divided by b c. b divided by 5 d. bx5 my answer is B. Is this correct?