# math

1. ### In which situation are unbalanced forces acting on an object? (1 point)

Two people stand on the same side of a large tire. Both people pull the tire with equal force. Two people stand on the same side of a large tire. One person pushes the tire and the

4. ### Jason is considering purchasing a new machine to make plastic silverware. The machine produces 1,000 pieces of silverware in two hours. One box contains 50 pieces of silverware and sells for \$3.00.

If the machine costs \$9,000, and runs for 24 hours a day,

16. ### Terms of sequences

15,22,31,42,55 find next 3 terms and the formula also for the sequence

17. ### If a lab technician has a salary of 22000 her first year and is due to get a 500 raise each year, then what will her salary be in her seventh year?

What is the total salary for 7 years of work for the lab technician?

20. ### 1.sarah is making her own halloween coustume. the costume requiers 2 5/8 yard of materials write the number of yards needed for sarahs halloween costume as an IMPROPER fraction.

a 7/8 yards b 5/4 yards c 7 yards d 21/8 yards

21. ### 1. Find the area of a parallelogram with base b and height h.

b = 87 cm h = 18.6 cm (1 point) 105.6 cm2 211.2 cm2 809.1 cm2 1,618.2 cm2 2. Find the area of the triangle. A triangle has a base of 21 yards and a perpendicular height of 8.2 yards. (1 point)

23. ### harun and kuna competed in a 200-m race.harun ran at a speed of 5 m/s.kuna ran at a speed of 8 m/s.if they started at the same time,

a.find the time kuna took to reach the finishing line. b.how far was kuna from harun when kuna reached the finishing line?

26. ### Two cars are side by side. One is 3.9 meters long. The other is 6% shorter. How long is the second car?

I know the answer is 3.7, but how?

27. ### A car travels 172 miles using 7 gallons of gas. At that rate, how far can the car travel using 42 gallons of gas ( i got 1,032 ) answers to choose:1,032 miles

1,548 miles 1,204 miles or 1,376 miles

29. ### If p and q are real numbers such that p>5 and q>4, what is the smallest integer larger than the product of pq?

a. 9 b. 10 c. 19 d. 20 e. 21

30. ### solve each equation.write each equation in simplest form

7x/8=21 a.24 b.18.375 c.1.857 d.19

31. ### 108 is 36% of what number? Write and solve a proportion to solve the problem.

First write the proportion to find the missing value, which I will replace it with n. 108/n = 36/100 Next write the cross products. So, 36n = 108 x 100 = 10,800 divide each side

32. ### 1. What is the slope of the line that passes through the points (-2, 5) and (1, 4)?

a) -3 b) -2 c) -1/3 d) 1/3*** 2) a line has slope -5/3. Through which two points could this line pass? a) (12, 13),(17, 10) b) (16, 15), (13, 10)*** c) (0,7), (3, 10) d)

34. ### As viewed from above, a swimming pool has the shape of the ellipse

(x^2)/4900+(y^2)/2500=1, where x and y are measured in feet. The cross sections perpendicular to the x-axis are squares. Find the total volume of the pool.

37. ### 1. what are the equivalent fraction and decimal for 33 1/3% ?

a 1/33 and 0.3 b 1/33 and 3 c 3 1/3 and 0.00 d 1/3 and 0.33 <-- my answer 3. Estimate 78% of 20 a 14 b 16 c 19 d 2 (help??)

38. ### 1. Which angles are adjacent angles?

(1 point) ∠GBM and ∠FBC ∠CBX and ∠FBC ∠XBG and ∠FBC ∠MBY and ∠FBC 2. The measure of ∠3 is 101°. Find the measure of ∠1. (1 point) 101° 106° 74° 79° 3. Is line l parallel to line m? Explain. Note:

39. ### 1. QTR and ______ are complementary.

QTS * RTS PTN QT 2. QTN and _____ are supplementary. QTS QTP * RTS PTR 5. PTN is adjacent to _____. QTR PTS RTS NTS *

41. ### Which of the following statements is always true of similar polygons? (1 point)

Corresponding angles of similar figures have the same measure. The lengths of corresponding sides form equivalent ratios. The lengths of corresponding sides have the same

42. ### write a ratio the situation in three ways comparing the first quantity to the second quantity.

A zoo has 17 monkeys and 12 chimpanzees. A. 12 to 17, 12:17, 12/17 B. 17 to 12, 17:12, 17/12 C. 17 to 22, 14:22, 17/12 D. 17 to 12, 12:17, 17/12

the

45. ### Graph the equation in the rectangular coordinate system.

-5y = -40 How should the line be going?

46. ### April is training for a marathon by running no less than 55 km per week. She runs at an average rate of 10 km per hour. What is the minimum number of hours, h, she should run?

10h ≥ 55; h ≥ 5.5; 5.5 hours 10h ≤ 55; h ≤ 5.5; 5.5 hours h over ten >

47. ### 1: What is the amount of sales tax owed on a \$39 jacket if the tax rate is 5%?

A)\$1.85 B)\$1.90 C)\$1.95 <---- D)195.00 2:A flower arrangement was marked down 12.5%. If the flowers originally cost \$20, what is the amount of the discount? A)\$2.40 B)\$2.50 <----

50. ### In the order of operations what operation is completed first?

A. addition B. multiplication C. subtraction D. parentheses*** (I think its D because of PEMDAS)

plz help

54. ### 1. 7 1/2 divided by 3 3/4

2. 9 divided by 2 1/4 3. Sean runs 3 1/2 miles in 28 minutes. How long does it take him to run 1 mile? 4. 8 1/4 pounds of flour are used to make 4 1/8 papier-mache paste recipes. How much flour is used to make 1 recipe? 5. An

58. ### 1.During the soccer season, Michelle attempted 130 goals and made about 70% of them.

a. How many goals did Michelle make? b. The team made a total of 456 goals. What percent of the teams made goals did Michelle make? 1. 13 goals; 2.85% 2. 39 goals; 85.5% 3.

59. ### 1. Find the length of the hypotenuse of a right triangle with legs of 9 cm and 12 cm

A. 8 cm B. 21 cm C. 15 cm D. 225 cm the length of the hypotenuse of a right triangle with legs of 13 cm the length of one leg is 5 cm find the length of the other leg A. 14

60. ### Simone measures the width of one cardboard strip as 1/2 yd. A second cardboard strip measures 5/6 yd in width. Estimate the combined width of the cardboard strips.

A. about 1/2 yd B. about 1 yd C. about 1 1/4 yd D. about 1 1/2 yd I don't understand which is

64. ### 3. write three ratios equal to 5/40

- 2/14, 3/21, 4/28 - 1/8, 2/16, 3/27 - 5/40, 5/45, 5/50 5. write a u nit rate for the situation. round to the nearest hundreth if nesisaary: traveling 426 miles in 7 hours - 85.2 miles/hour - 71 miles/hour - 0.0426

65. ### Dog Debate

UNIT NAME: EQUATIONS AND INEQUALITIES Directions: The traditional method for calculating a dog's age in dog years is to multiply its age in human years by 7. The chart below describes a different method some veterinarians use to estimate a dog's

67. ### A set of data items is normally distributed with a mean of 70. Convert the data item to a z-score, if the standard deviation is as given.

data item: 80; standard deviation: 15

70. ### Your local gas stations are having a price war. During the past 7 days they have lowered the price of regular gas by \$.02 each day. Define a variable. Then write and solve an equation to find the total change in gas price. Show your work.

n-7x\$0.2 n-\$1.4 it

71. ### Which ratio forms a proportion with 9/15?

(A)6/10 (B)16/21*^* (C)36/50 (D)45/70 If my answer was incorrect don't yell at me, just correct me please.

72. ### James has a model heicopter. the model is 8 inches long and 7 inches wide. the actual helicopter is 56 inches long. what is the helicopter's actual width, if we assume the model's proportions are accurate?

40 inches 49 inches@@@@ ^&^^^^^^^^^^^^ 56 inches 60

73. ### If a and b are parallel lines and m 3 = 128º, what is the measure of 8?

134º 54º 52º 49º

74. ### how many diferrent 9-letter words (real or imaginary) can be formed from the letters in the word ECONOMICS?

the ans. must be 90,720

75. ### can somebody show me how to do this?

at what point on the graph of y= 3^x +1 is the tangent line parallel to the line y= 5x -1 ?

78. ### for questions 1 and 2 chose the equation or proportion that you can use to solve the problem

what number is 73% of 215 A( 215=0.73n B( n=0.73 X 215 C( 0.73=n X 215 D( 215=73n what percent of 94 is 23 A( n/94=23/100 B( 23/94=n/100 C( 94/n=23/100 D(

80. ### If the legs of a right triangle have lengths of 6 inches and 8 inches, what is the length of the hypotenuse in inches?

A.11 B.13 C.10 D.16 Is the answer C?

81. ### 1.Which of the following numbers are equivalent to 20%? CHOOSE ALL THAT APPLY.!!

A. 0.002 B. 1/4 C. 0.20(I PICK THIS) D. 1/5(I PICK THIS) 2.which of the following numbers are equivalent to 35%?CHOOSE ALL THAT APPLY !! A. 7/20 B. 6/20 C. 3.5 D. 0.35 (I KNOW

82. ### to graph C(3,2) on a coordinate plane Translate the point left 3 units and down 1 unit.Graph the image point C.

A. x,2,y3=x,1,y,1 B. x,2,y2=x,1,y,1 C. x,2,y3=x,1,y,1 D. x,3,y2=x,1,y,1 Is the answer D? Thank you

83. ### During the soccer season, richard attempted 80 goals and made about 65% of them.

a. How many goals did Richard make? b. The team made a total of 327 goals. What percent of the team's made goals did Richard make? 15 goals;24.5% 52 goals;15.9% 61 goals;49.2%

88. ### Find the value of this integer expression: − 2(+ 3 +− 4 +− 8 ++ 7) .

With Distribution and without Distribution.

91. ### a political discussion group consists of five Democrats and six Republicans. Four people are selected to attend a conference.

A.in how many ways can four people be selected from this group of eleven? B.In how many ways can four Republicans be selected from

92. ### At the half time show, a marching band marched in formation. The lead drummer started at a point with coordinates (-2,-5) and moved 3 steps up and 1 step right.

a: write a rule to describe a translation b: what were the coordinates of the drummers final

93. ### On Monday the temperature was 50 degrees the temperature increased by 22%. what was the temperature on Tuesday.

72 degrees 65 degrees 56 degrees 61 dgrees

13 22 60 72

96. ### Find

dy/dx and d2y/dx2. x = et, y = te−t

98. ### I NEED HELP

In a survey four out of the seven people named blue as their favorite color one out of three named red. If 1092 people were included in the survey how many named neither blue nor red as their favorite color A)192 B)104 C)148 D)212

99. ### In a family with 4 children what is the probability of having 1 boy and then 3 girls, in that order? (Exclude multiple births and assume all outcomes are equally likely).

In a family with 4 children, what is the probability of having 1 boy and 3 girls, in