1. Algebra

what is the solution of n^2-49=0 -7 7 ±7 no solution

2. math

Hailey is scuba diving in the ocean. Her boat is anchored 300 feet away at a 30° angle of depression. If her diving partner is 25 feet directly below her, how far is Hailey's diving partner from the boat? (round to nearest whole number) a. 300 ft b. 313

3. MATH

A cylinder has a circular base with a diameter of 12 ft. The height of the cylinder is 4 ft. What is the volume of the cylinder rounded to the nearest whole number? Use 3.14 for pi. A. 452in2 B. 1,809ft2 C. 151ft2 D. 603ft2

4. SS

“It is certain that when the penny jingles into the money-box, gain and avarice [greed] can be increased, but the result of the intercession [prayer on behalf of another person] of the Church is in the power of God alone.” Which important features of

5. History

Look at the map of the Mediterranean region in the 1400s. A map shows the Mediterranean region in the 1400s. To the east, just north of the Mediterranean Sea, the Ottoman Empire is outlined.The map shows a complex network of major travel routes connecting

asked by ms sue u are under rated
6. math

A glass is 1 4 full. Then 70cm3 of orange juice is poured in. The glass is now 3 5 full. What is the total volume of the glass?

7. Calculus

Find the absolute value of the resulting error if the value of integral from 0 to 3 (x^3 dx) is estimated with 3 trapezoids of equal width. a) 2.25 b) 5.25 c) 15.75 d) 47.25

8. Chemistry

For propanoic acid HC3H5O2, Ka = 1.3 ✕ 10−5 and 0.102 M solution. [HC3H5O2] ____M [C3H5O2− ] ____M percent dissociation ____percent

9. algebra

what is the value of 11x^-3y^-1 for x = -1 and y = 2?

10. Social Studies

What can you tell me about the Lesson 9 Unit Test. It's the Later Civilizations of East Asia.

11. Social Studies

Can you explain the later civilizations of East Asia Unit Test.

12. MATH

A rectangular prism has a length of 8 inches, a width of 5 inches, and a height of 2 inches. What is the volume of the prism? A. 15in2 B. 40in2 C. 80in2 D. 132in2

13. Math

Ed is planning daily walking workouts on the same distance of 12 km in the morning and in the evening. Usually he is walking at constant rate, however he planned his rate to be 1 km/h more in the morning than in the evening. Given he is willing to spend 5

14. Chemistry

P4O10(s) + 6 H2SO4(l) --> 4 H3PO4(aq) + 6 SO3(g) Pure H2SO4(l) has a density of 1.84 g/mL. If 45.0 mL of H2SO4(l) reacts: What mass of P4O10 reacts? - it's given 45.0 mL of H2SO4 with the density of 1.84 g/mL, so the mass of H2SO4 is 45*1.84 = 82.8 (g) so

asked by Shine bright shine far
15. History

Which pull factor would most likely encourage an immigrant who wanted to raise and sell cattle in the United States? A. industrial jobs B. inexpensive land C. the promise of freedom D. expensive land in home country

16. Life orantation

Compare in five ways the similarities and the differences between nsfas and other student loans

17. Statistics

8. A tetrahedron shaped die gives one of the numbers 1, 2, 3, 4 with equal probabilities. We roll two of these dice and denote the two outcomes by X1 and X2. Let Y1 =(minpX1, X2) and Y2 = |X1 - X2|. (a) Find the joint probability mass function of X1 and

18. Statistics

Let the joint density function of the random variables X and Y be f(X,Y)(x,y)= 2xe^(x(^2)-y) for 0

19. Physics

Bob has just finished climbing a sheer cliff above a beach, and wants to figure out how high he climbed. All he has to use, however, is a baseball, a stopwatch, and a friend on the ground below with a long measuring tape. Bob is a pitcher, and knows that

20. Calculus

If dy/dx=cos^2(πy/4) and y=1 when x=0, then find the value of x when y=3 a) 1/8 b) -π/8 c) -8/π d) None of these

21. Chemistry

check answer please 10. 2 Ca3(PO4)2(s) + 6 SiO2(g) + 10 C(s) ---> P4(s) + 6 CaSiO3(s) + 10 CO(g) If 39.3 g of Ca3(PO4)2, 24.4 g of SiO2 and 8.00g of C are available, find the limiting reagent. n Ca3(PO4)2= 0.127 moles n SiO2= 0.135 moles n C= 0.133 moles

asked by Shine bright shine far
22. Chemistry HELP

im confused please help thanks Gaseous nitrogen dioxide reacts with liquid water to yield aqueous hydrogen nitrate and nitrogen monoxide gas. Write the balanced equation including states

23. Math

Find the volume of the rectangular prism. A rectangular prism has a height of 3 inches, width of 9 inches, and length of 11 inches. A. 23 in.3 B. 297 in.3 C. 318 in.3 D. 159 in.3

Write the function f(x) = ax^2 + bx + c in completed square form. SHOW YOUR WORK!!!

25. Algebra

Julie went to the post office and bought both \$0.41 stamps and \$0.26 postcards. She spent \$51.40. The number of stamps was 20 more than twice the number of postcards. How many of each did she buy? I just want to know how to set it up.

26. Pre-Calc

A hot-air balloon is floating above a straight road. To estimate their height above the ground, the balloonists simultaneously measure the angle of depression to two consecutive mileposts on the road on the same side of the balloon. The angles of

27. Calculus

Find the particular solution to y"=3sin(x) given the general solution y=-3sin(x) +Ax+B and the initial conditions y (π/2)=π and y'(π/2)=2

Macario is making 12 pounds of nut mixture with macadamia nuts and almonds. macadamia nuts cost \$9 per pound and almonds cost \$5.25 per pound. how many pounds of macadamia nuts and how many pounds of almonds should macario use for the mixture to cost \$6.50

29. CHEMISTRY

CALCULATE THE VOLUME OFHYDROGEN WHEN 25G OF ZINC ADDED TO HCL AT 31`C&778MMHG PRESSURE H=1,ZN=65,CL=35.5,.

30. Math

Line L is perpendicular to the line 6x - y = 7 and passes through the point (0,6). Line M is parallel to the line y = 2/3x - 4 and passes through the point (-3, -1). Where do lines L and M intersect?

31. Calculus

If dy/dx= sin^2(πy/4) and y=1 when x = 0, then find the value of x when y = 3. a) 0 b) 8/π c) -π/8 d) None of these

32. Math 11

The quadratic function f(x)= -1/2(x+3)^2+1. The point (1,1) in the graph of y=x^2 is transformed to which point on the graph of y= -1/2(x+3)^2+1? ***SHOW ALL OF YOUR WORK!!!!! A. (-2,1/2) B. (-2,3/2) C. (-2,-1) D. (5/2,2)

33. accounting

JKL Company purchased a car for \$21,000 on January 1, 2016. The vehicle is estimated to have a useful life of 10 years, at which point it will have a residual value of \$1,000. JKL Company uses the straight-line method to account for depreciation. What is

34. math

Meg's pension plan is an annuity with a guaranteed return of 5% per year (compounded quarterly). She would like to retire with a pension of \$10,000 per quarter for 5 years. If she works 17 years before retiring, how much money must she and her employer

35. math

the graphs of the function with equation y= a(x+5)^2=q passes through the points (-6,2) and (-3,20). Determine whether the function has a maximum or minimum value

36. Chemistry

So I was asked to write the overall equation for Br2 in Dichloromethane with Cyclohexene. I can kinda fudge the overall reaction because I know the general reaction of halogens with a double bond, but I am wondering why is the Br2 in the Dichloromethane in

37. History

"We came by steerage on a steamship in a very dark place that smelt dreadfully. There were hundreds of other people packed in with us, men, women and children, and almost all of them were sick. It took us twelve days to cross the sea, and we thought we

38. math

Jarett was selling tickets to ride the Ferris wheel at a local carnival. The tickets cost \$2.00 for adults , and \$1.50 for children .How many of each kind of tickets did he sell if he sold a total of \$300 tickets for\$525

39. L.O

Different between Funza and NFSAS

40. Physics

A battery of e.m.f. 6.0 V, and internal resistance 1.0 ohms is connected to a resistor and drives a current of 125 mA through it. What is the resistance of the resistor? Thank you!!

41. Maths

if a number is chosen at random from the integer 5-25 inclusive find the probability that the number is a multiple of 5 or 3

42. Geography

About ____ of Canada's entire population lives in the southern lowlands on Ontario. (A) one-twelfth (B) one-eighth (C) one-third (D) one-half

Write the coordinates of the image of the pont (-3,9) on the graph y=x^2 when each of the following transformations are applied: a) a reflection in the x-axis followed by a vertical translation 4 units up b) a vertical stretch by a factor of 1/3 about the

44. algebra 2

Which is equivalent to y=log of 7(x) a)y=x^7 b)x=y^7 c) x=7^y d) y=x^1/7 I thought the answer was c x=7^y Is this correct? thank you

45. Life orientation

Why competing with one another ineffective when dealing with interpersonal conflict?

46. MATH

Find the vector v with the given magnitude and the same direction as u. Magnitude: ||v|| = 8 Direction: u = ‹6, -6› STEP 1: Find the magnitude of u. STEP 2: Use your result from Step 1 to compute a unit vector, u1, in the same direction as u. u1= For

47. math

The sum of a AP is 26 and that of the next four terms is 74, Find the first term and the common difference

48. Life orientation

Compare in three ways the similarities and the difference between NSFAS and other students loan

49. History

Medical effects of working during WW1and WW2

50. Calculus

If dy/dx=(xy^2) and if y=1 when x=0, then when y=3, x is equal to a) 1/8 b) - π/8 c) 1 d) (2√3)/3

51. Spanish

Please explain the use of "ser" and "estar". I don't understand where to use it and when to use it.

52. Physics HELP

When potential difference across the terminals of a battery is measured using an analogue voltmeter of resistance 95 ohms, the reading on the voltmeter is 5.70 V. When it is measured using a very high resistance digital meter the reading is 6.00 V. What is

53. Mathematics

solid is in the form of a cone mounted on himispher in such away that the Venter of the base of the cone fast coincide with the center of the base of the hemisphere.the radius of hemisphere and height of cone are r each ,radius of base of cone is 1/2r and

54. statistics

I am trying to determine if the dice that I have is fair, so I will toss the dice 300 times and measure how many times each side appears. Here are my results: Side : Frequency 1 : 43 2 : 49 3 : 56 4 : 45 5 : 66 6 : 41 Looking at the data, is the dice

55. Math

Use a formula to find the surface area of the square pyramid. A pyramid labeled with a height of 6 feet and base of 3 feet. A. 45 ft2 B. 81 ft2 C. 36 ft2 D. 72 ft2

56. physics

a ball is thrown upward from a bridge with a speed of 48 ft/s. It misses the bridge on way down and lands in water 160 ft. below. Find how long the ball rises, how high it goes, how long it is in the air, and its velocity when it strikes the water?

57. math

Determine, as exact values, the x and y-intercepts of the graph of the following functions a) f(x) = -3(x+2)^2+3 b) f(x) = 2(x-6)^2-6 c) f(x) = -1/4(x+1)^2+5

58. Life orientation

How bullies deal with inter personal conflicts

59. Physics - Kinematics

At the 2004 Olympic Games in Athens, Dwight Phillips won the gold medal in men’s long jump with a jump of 8.59 m. If the angle of his jump was 23°, what was his takeoff speed? (Treat the jumper as an object; ignore that his legs are in front of him when

60. Algebra 2

solve for x: 3^2x+3=7^x+1 I did 2x+3=log0f3(7)+ logof3(7) (2-log of 3(7))x=log of 3(7)-3 x=log of 3 (7)+log of 3 (3^-3)/log 0f 3 (3^2)-log of 3 (7) x=log of 3 (7-1/3^3)/log of 3(9/7) log of 3(7/27)/log of 3(9/7) answer log of 9/7(7/27) Is this correct?

61. English

1. A fish uses its tail for swimming. 2. A fish uses his tail for swimming. 3. A fish uses her tail for swimming. [Can we use all the expressions, its, his, her?] 4. I have several balls. I have two dogs. The balls are theirs. 5. I have several balls. I

62. Life Orientation

Evaluate any 3 disadvantages for a student to study at the institutions of high education through nsfas

63. Math

Determine the characteristics of the quadratic function: y = 4(x + 5)(x – 2) Organize these in a chart form, with rows for "Domain", "Range", "Vertex" and "Opens: (Up/Down)"

64. Geography

History of man

65. Life Orientation

The link between intrapersonal conflict and initiating relationship

66. science

A mass 10kg moves with a velocity of 4m/s .fin d the kinetic energy

67. Educational Technology

To place the caption at the top of the image you will need to change the ________ in the drop-down menu A. Options*** B. Label C. Position D. Numbering

68. Algebra

Find two consecutive numbers if the square root of the smaller number is 3 less than the bigger number.

69. LO

What are the similarities between nfsas and scholarship

70. math

find the equation of the inverse of f(x)= 2^x-7 + 5 I did x=2^y-7+ 5 -5 -5 x-5=(2^y)(2^-7) 128*x-5=2^y answer y=log of 2 (128(x-5)) I switched x and y and solved for y Is this correct? Thanks for checking my work.

71. Mathematics

solid is in the form of a cone mounted on himispher in such away that the Venter of the base of the cone fast coincide with the center of the base of the hemisphere.the radius of hemisphere and height of cone are

72. Math

In a parallelogram a diagonal of the length 20 cm is perpendicular to one of the sides. Find the longer side of parallelogram if its perimeter is 80 cm.

73. Math

The rectangle shown is reduced by a scale factor of 0.5 AB= 16 and AC=6. A___15cm______B 8cm C______________D Calculate the length of each side of the reduced image. Draw the new image A' B' D' C'

74. math

(y^-5)^-10y^10

75. Math

Point P and Q are respectively 24km North and 7km east of point R , what is the bearing of P and Q?

76. Math

Defination of mathematics

77. life orientation

COMPARE IN 3 WAYS THE SIMILARITIES AND DIFFERENCES BETWEEN NFSAS AND OTHER STUDENT LOANS

78. Spanish

Unscramble licbohe , sequi , lanesbocto , taaconni