# What is a unit rate? what is the prime factorazation for 945?

25,690 results

1. ### Math

What is a unit rate? what is the prime factorazation for 945? idk how to do this 10= 15= GCF= i need help with my prime factorization homework what is a prime factorazation i meed held on my homework how do u determine if the numbers are prime or composite
2. ### Math

Plz help don't know how to do this question. Write number 68 as a product of prime factors. Try to do prime factorazation. start dividing by 2 68 34 2 17 2*2 Can you go any further? Are all these prime? prime factorization of 34 98
3. ### math/prime factorization

what is the prime factorazation for these numbers 36,180,525,165
4. ### maths

4x+3y=21 What is your question? You have simply stated the equation of a straight line. what is a prime factorazation?> expressing a number in terms of its Prime factors eg. 126 = 2*3*3*7 all the factors are prime numbers How does this relate to the first problem you posted?
5. ### math

prime factorazation of 34
6. ### math

what does prime factorazation mean???
7. ### math

is there any place where i can print out a prime factorazation chart that gos from 1 to 1000
8. ### math/unit rate

please help me find the definition for unit rate. It depends upon what kind of unit. Go to www.google.com and type in unit rate. There is one source there for hotel unit rates, another for unit rates for the medical field, etc. You may also go to www.dictionary.com and type in...
9. ### physics

A calorie is unit of heat or energy and it equals about 4.2J, where 1J= 1 kgm2/s2. Suppose we employ a system of units in which the unit of mass α kg, the unit of length β m & the unit of time γ s. Show that a calorie has a magnitude of 4.2α-1β-2γ...
10. ### unit rate

the unit price of an item at a grocery store is a familiar example of a unit rate. find the unit price of each box of cereal. a. \$3.95 for a 20oz. b.\$4.29 for a 24 oz. c.\$2.25 for a 12 oz. Divide the price by the weight in ounces for the unit rate. For example, For a 20 oz box...
11. ### Math

An advertisement for a pineapple drink claims that the drink contains 15%pineapple juice. How much pure pineapple juice would have to be added to 8 quarts of the drink to obtain a mixture containing 50% pineapple juice? This is a mixture problem. Pineapple drink + pure juice...
12. ### physics

In Physics, it is important to use mathemat- ical approximations. For instance, in a small angle approximation, tan α ∼ sin α . Find the largest angle α for which the dif- ference of sin α − tan α is less than 3.52% of the sin α value.
13. ### math rate

15 chapters in 5 days - I already know the unit rate is 3 - I have to give the rate and unit rate. I don't know how to figure out the rate. Can someone please help me? rate is 15 chapters/5 days unit rate is 3 chapters/day
14. ### Trigonometry

Verify the identity algebraically. This problem is very intriguing and awesome at the same time. It's wonderfully amazing! 1.) TAN³α-1/TAN α-1= TAN²α + TAN α + 1
15. ### math

Complex numbers α and β satisfy αα¯=ββ¯=−17,α+β=7i. What is the value of αβ? α¯=conjugate of α β¯=conjugate of β
16. ### trig

Please help me! SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Verify that each equation is an identity. (sec α + tan α)^2 = 1 + sin α/1 - sin α
17. ### Probability

Consider an RV X with the following density given parameters α and γ . f (x) = {(1/γ)e^(-(x-α)/γ) if x>α {0 if x ≤ α. a. Find E[X]. b. Find V[X]. c. If α = 4, γ = 2, ﬁnd P (X > 8). d. Find P (X < α + 3&#...
18. ### Math

How do I expres a rate as a unit rate Usually it is rate/unit said as "rate per unit." Examples are "miles per gallon" and "price per pound." I hope this helps. Thanks for asking.
19. ### Quantum Physics

Let f:{0,1}->{0,1} with f(101)=1 and f(x)=0 for x ≠ 101 . In this question, we will run through two iterations of the algorithm. (a) What is the superposition after the initialization step? Note that you can describe the superposition Σαx|x> by specifying...
20. ### physics

A disk, with a radius of 0.25 m, is to be rotated like a merry-go-round through 800 rad, starting from rest, gaining angular speed at the constant rate α1 through the first 400 rad and then losing angular speed at the constant rate -α1 until it is again at rest. The ...
21. ### Math

If α and β are two angles in Quadrant II such that tan α= -1/2 and tan β = -2/3, find cos(α+β) Work: cos(α+β) = [ 1 - (tan α)(tan β) ] / [ 1 + (tan α)(tan β)] cos(α+β) = [ 1 - (-1/2)(-2/3) ] / [ 1 + (-1/2)(-...
22. ### statistics

Investment analysts generally believe the interest rate on bonds is inversely related to the prime interest rate for loans; that is bonds perform well when lending rates are down and perform poorly when interest rates are up. Can the bond rate be predicted by the prime ...
23. ### Pure Mathematics

4) The roots of the equation z^2+2z+4=0 are denoted by α and β. a) find α and β in the form re^iθ, giving the values of r and θ b) Using de Moivre's Theorem, show that α^3=β^3. c) find the exact value of αβ*+α*β
24. ### Math Trigonometry

Given w=2+2i and v=−5√3+5i, vw^2 can be expressed as r*(cos(α∘)+i*sin(α∘)), where r is a real number and 0≤α≤360. What is the value of r+α?
25. ### Stats

Question 3 Investment analysts generally believe the interest rate on bonds is inversely related to the prime interest rate for loans; that is, bonds perform well when lending rates are down and perform poorly when interest rates are up. Can the bond rate be predicted by the ...
26. ### Math(Unit Rate)

If 20 units= 10kg whats the unit rate? http://www.eduplace.com/math/mathsteps/6/e/ is that your gf? "sam"???? 20/10 reduce,= 2/1 divide,=.5 Kg/unit calculate the unit rate what dose this mean Find each unit rate. \$112 in 8 hours
27. ### Quantum Physics

Suppose we ran m steps of Grover's algorithm on some function f (which has one marked element y) and the resulting superposition was exactly |y⟩. If we run for m+1 additional steps (i.e. total of 2m+1 steps from the initial state), what is the resulting superposition? ...
28. ### Statistics

In a test of hypotheses, the null hypothesis is that the mean is 100 and the alternate hypothesis is that the mean is greater than 100. The power of the test when the mean is 101 would be greatest for which of the following choices of sample size n and significance level α...
29. ### MATH HELPO!!!

Convert the map scale to a unit rate. How many inches represent one mile? Show your work. Interpret the meaning of the unit rate. 3/10 in. = 7/8 mi no map just need someone to solve this unit rate FASTLY
30. ### Trigonometry

find the exact value of sin 2α if cos α=4/5 (α in quadrant I)
31. ### statistics

An analysis of variance is used to evaluate the mean differences for a research study comparing three treatments with a separate sample of n = 6 in each treatment. If the data produce an F-ratio of F = 4.10, then which of the following is the correct statistical decision? a. ...
32. ### Help on PreCalc

Hi Tutors, I've tried solving the problem below, but I keep getting it wrong. I've solved 3 similar questions thanks to Reiny and Steve, but this one, in particular, is giving me problems. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Use the given information to determine the values ...
33. ### Quantum Physics

Let f:{0,1}^3→{0,1} with f(101)=1 and f(x)=0 for x≠101. In this question, we will run through two iterations of the algorithm. (a) What is the superposition after the initialization step? Note that you can describe the superposition ∑x∈{0,1}3αx|x&...
34. ### math

JAB Consulting has a \$42,500 line of credit which charges an annual percentage rate of prime rate plus 5.5%. Their starting balance on May 1 was \$7,800. On May 5 they borrowed \$4,700. On May 13 the business made a payment of \$2,000, and on May 19 they borrowed \$2,900. If the ...
35. ### Quantum Physics

Suppose we ran m steps of Grover's algorithm on some function f (which has one marked element y) and the resulting superposition was exactly |y>. (a) What was the state after the (m−1)th step? Note that you can describe the superposition by specifying two numbers, &#...
36. ### Calculus - Challenge question

Our teacher gave us this problem as a challenge. Some of us have been working on it for a few days help! Prove that the largest area of any quadrilateral is obtained when opposite angles are supplementary. Wow, what a classic and nice question, haven't seen it for years. My ...
37. ### chemistry

The structure of tryptophan is shown at the right along with the pK values of the α-carboxyl and α-amino groups. (pK1=2.38; pK2=9.39) Tryptophan is a diprotic acid which can exist in three protonated forms: H2A , HA0, and A–. (HA0 consists primarily of the ...
38. ### Physics

When we are supposed to calculate the value of "temperature coefficient of resistance " i.e. α , how are we supposed to choose between the following two formulae : α = (R2 - R1) / (R1*T2 - R2* T1 ) or α = (R2 - R1)/ [ R1 *( T2-T1) ]
39. ### calculus (rate of change)

consider the function f(x)=x^2-6x+12 a. find the average rate of change over the interval [-1,3] b. use the definition of the derivative to find f prime(x) c. find the instantaneous rate of change at the point where x=3 d. find the value of x on the interval [-1,3] such that f...
40. ### Math Limits

(x^n-1)/((x-1) )=(x-α^1 )×(1-α^2 )×………..(x-α^((n-1)) ) How do we prove that n = the multiplication of the second term using limits and l'hopital's rule.
41. ### Math Trigonometry

Let z be a complex number such that z=2(cos3∘+icos87∘). Then z^6 can be expressed as r(sinα∘+icosα∘), where r is a real number and 0≤α≤90. What is the value of r+α?
42. ### Trignometry

Solve the equation. Express your answer in trigonometric form. x^5-11=0 I know the answer is: 11^1/5(cos α + i sin α) for α = 0°, 72°, 144°, 216°, 288°. But I don't know where to even start working on this problem.
43. ### pre cal

Given sin(α)=4/5 and 0<α<π/2, find the exact value of sin(α/2).
44. ### pre cal

Given sin(α)=4/5 and 0<α<π/2, find the exact value of sin(α/2).

Factor completely. If the polynomial cannot be factored say it is prime. 1) 15x^3 + 19x^2 + 6x A) (3x^2 +2)(5x+3) B) x(3x+2)(5x+3) C) x^2(3x+2)(5x+3) D) x(5x+2)(3x+3) E) Prime I chose E) Prime. 2) 2x^2 - 14x - 6x + 42 A) 2(x+7)(x+3) B) (x+7)(2x-6) C) 2(x-7)(x-3) D) (x-7)(x-3) ...
46. ### Trigonometry

Let z be a complex number such that z=2(cos8∘+icos82∘). Then z^5 can be expressed as r(sinα∘+icosα∘), where r is a real number and 0≤α≤90. What is the value of r+α?
47. ### math

my homework saids express each phrase as a rate and and unit rate round to the nearest hundredth. 120 miles on 4 gallons of gas the ratio is 30 to 1 I have to write it in a rate and unit rate to the nearest hundredth.
48. ### Multiplicative inverse

Angelo says that if you know one unit rate in a proportional relationship, the other unit rate is always the multiplicative inverse of the unit rate you know. Is Angelo correct? Explain
49. ### Statistics

When testing H0: σ12 = σ22 vs. Ha: σ12 ≠ σ22 two random samples of sizes 10 and 8, respectively, are used. The calculated value of the test statistic is found to be equal to 2.22. Which of the following statements is true? a. H0 must be rejected at &#...
50. ### Economics

Consider a profit maximizing competitive firm with the following production function: y=L^α+K^β where 0 <α< 1 and 0 <β< 1. The firm can purchase labor (L) and capital (K) it wants in competitive input market at unit prices of w and r, ...
51. ### Physics

The index of refraction of the core of a typical fiber optic is ncore = 1.46; the cladding has nclad = 1.4. Calculate the critical angles for the total internal reflection i crit and α crit. I have verified the answer for i crit is 74, but I cannot for the life of me ...
52. ### Math

Write each rate as a unit rate. 4 championships in 16 years I don't understand how you would write the above as a unit rate. Please explain.
53. ### Economics

The formula given was: (real rate of interest) = (nominal rate of interest) - (expected rate of inflation) A chartered bank offers a one-year loan at "3 points above prime." Prime is 4 per cent. a) What is the nominal interest rate? b)If expected inflation is 3 per cent for ...
54. ### Factoring and Prime

I am still having troulbe with these. Her is another one I am stuck on. I think the prime is getting me. Factor completely or state that it is prime x^2 + 9xy + 16y^2 The factors of 16 are: 16 x 1. 8 x 2. 4 x 4. None of these add together to give 9 so it can't be factored as ...
55. ### Geometry Help

Triangles DEF and D'E'F' are shown on the coordinate plane below: Triangle DEF and triangle D prime E prime F prime with ordered pairs at D negative 1, 6, at E 1, 3, at F 6, 3, at D prime 6, 1, at E prime 3, negative 1, at F prime 3, negative 6. What rotation was applied to ...
56. ### math (unit rate)

please explain how to write the unit rate as a fraction example: 25 feet per second
57. ### math

Okay so i here is the problem......find the unit rate. I don't remember how to solve for the unit rate. Help me please i have a quiz tomorrow.
58. ### math helpp

8. Convert the scale to a unit rate. Show your work. Interpret the meaning of the unit rate.
59. ### Math

How can you write a unit rate if at least one term is a fraction? How is this different from writing a unit rate where both terms are whole numbers?
60. ### math

How can u write a unit rate if a least one term is a fraction? How is this different from writing a unit rate where both terms are whole numbers?
61. ### HELP RIGHT AWAY

8. Convert the map scale to a unit rate. How many inches represent one mile? Show your work. Interpret the meaning of the unit rate
62. ### MATH

convert the map scale to a unit rate how many inches represent one mile? show the interpret the meaning of the unit rate 3/10in = 7/8mi
63. ### Math

Convert the map scale to unit rate. How many inches represent one mile? Show Your work. Interpret the meaning of unit rate. 3/10 in. = 7/8 miles
64. ### math (unit rate)

explain how to write 20 miles over 4 hours as a unit rate
65. ### Cosmology

The most cosmological measurements show that the universe is extremely flat (Ωk≈0) and that the surface brightness of objects scales with the fourth power of redshift (SB∝z^−4). If the universe was still expanding, but had strong negative curvature (&#...

In an experiment done by scattering 5.5 MeV α particleson a thin gold foil, students find that 10,000 α particles arescattered at an angle greater than 90 degrees. How many α particles will be scattered between 60 degreesand 80 degrees?
67. ### Statistics

In a three-channel queuing system, the arrival rate is 1 unit per time period and the service rate is 0.6 unit per time period. Determaine the probability that an arriving unit does not have to wait.
68. ### Math

An employee has two hourly wage options for positions in a large corporation. One position pays \$11.00 plus additional unit rate of \$0.50 unit produced. The other pays \$7.25 plus a unit rate of \$1.25. W(x)=11+0.5x M(x)=7.25+1.25x I need to find the solution for the systems by ...
69. ### math

im having trouble with radicals, we learned them today but our teacher dint go over what to do with fractions, could u tell me what to do in the square root of 5/36? thx again sqrt (5/36) = (sqrt 5)/sqrt36 = 1/6 * sqrt5 The square root radical applies to both the numerator and...
70. ### Math: THIS IS SOOOOO HARD!!!!!!!!!!

Convert the map scale to a unit rate. How many inches represent one mile? Show your work. Interpret the meaning of the unit rate. 3/10 in. = 7/8 mi. I Cant Figure This Out!!!! HELP!!!
71. ### Pre-calc

Hi Steve and Damon, if you're reading this, please take a look at my previous post because I had to apologize for my mistake. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ My Home Work Question: Suppose that α is an angle such that tanα=5/7 and sinα<0. Also, ...
72. ### Math

Which of the following is a prime #? a.2 b.19 c.37 d.51 e.67 I choose 2. But the book answer is 51. The book says:( 2,19,37, and 67 are prime #'s) 3x17=51, so it is not prime. I forgot what prime #'s mean that's why I choose anything like 2. help me. A prime number is a number...
73. ### Math (Trigonometry [Polar Form])

Let z be a complex number such that z = 2(cos 8∘ + i cos 82∘).Then z^5 can be expressed as r(sin α∘+ i cos α∘), where r is a real number and 0 ≤ α ≤ 90. What is the value of r+α? Hint to solve: Example Question: Let z be ...
74. ### Math

This is confusing me! I don't even know what the question means! "Convert the map scale to a unit rate. How many inches represent one mile? Show your work. Interpret the meaning of the unit rate. 3/10 in. = 7/8 mi" Can someone help?
75. ### Money and Banking

1. A firm uses capital to produce revenue. The marginal revenue from the first 5 units of capital is as follows: 1st unit has MR 2.30, 2nd unit has MR 1.9, 3rd unit has MR 1.70, 4th unit has MR 1.35, and 5th unit has MR 1.15. If the interest rate is 50%, what is the optimal ...
76. ### Physics (Rotation)

In Fig. 10-28, wheel A of radius rA is coupled by belt B to wheel C of radius rC. The angular speed of wheel A is increased from rest at a constant rate α. Find the time needed for wheel C to reach angular speed ω assuming the belt does not slip. (Hint: If the belt ...
77. ### Math

The directions are: Write each ratio as a unit rate. What is a unit rate?
78. ### unit rate

find the unit rate 175 calories in 12 ounces
79. ### unit rate

Estimate the unit rate if 12 pairs of socks sell for \$5.79.
80. ### College Math Probability

Let 1 <= k <= p−1, where p is prime. Show that p choose k is a multiple of p. What if p is not prime? I think here when we expand p choose k and then input few prime numbers then we always get a multiple of p . And same with when p is not prime.
81. ### physics (speed of plane by radar)

The radar stations A and B, separated by the distance a = 500 m, track the plane C by recording the angles α and β at 1-second intervals, If three successive readings are shown in the table,calculate the speed v of the plane and the climb angle y at t = 10 seconds as...
82. ### statistics

Determine the critical region and the critical values used to test the following null hypotheses: a. Ho: μ = 55 (≥), Ha: μ < 55, α = 0.02 b. Ho: μ = −86 (≥), Ha: μ < −86, α = 0.01 c. Ho: μ = 107, Ha: μ &#...
83. ### its urgent math i need the answer fast

Price: 5.49 Unit Rate: 0.04 Price: 1.50 Unit Rate: 0.02 how much would you save in one year?
84. ### Math

Convert the map scale to a unit rate. How many inches represent a mile? Show your work. Interpret the meaning of the unit rate. 3/10 in.=7/8 mile
85. ### Math

What is the unit rate in miles per gallon if 140 miles are traveled on 14 gallons of gas? The unit rate is ____ mi/g.
86. ### PROBLEM SOLVING IN MATHEMATICS

there are two prime numbers between 100 and 199 such that the ten digits is a prime number, the ones digit is a prime number and the tens and ones digits taken together are a 2 digit prime number. find the sum of these 2 prime number.
87. ### math

What is the greatest prime to consider to test wheather 1579 is prime. What is the greastest prime?
88. ### math

how do you8 find unit rate divide quantity by time. For instance, one travels 45 miles in 1/2 hour. Unit rate= 45/.5=90miles/hr the answer to your problem is x=18 the answer to your problum is x=18
89. ### Math

Find the unit rate. Enter your answer as a mixed number. A fertilizer covers 5/6 square foot in 1/2 hours. The unit rate is ____ square feet per hour.
90. ### unit rate

88students for 4 classes find the unit rate
91. ### unit rate

find the unit rate \$920 for 40 hours
92. ### Trig

prove sin(α+β)sin(α-β)=cos^2β-cos^2α please help... this is the only one I didn't understand out of all my homework...
93. ### Physics HELP!!!!

A small ball of mass m=0.60 kg hangs from a massless string of length l= 1.2 m. The ball travels in a vertical circle and its speed at the bottom is v0= 6.0 m/s (see figure). Neglect all friction and air drag, and use g=10 m/s2 for the gravitational acceleration. The ball is ...
94. ### math

The Twin Prime Conjecture, which has not been proven, argues that there are infinitely many pairs of primes of the form n and n+2. Such a pair is called a prime pair. Some examples of prime pairs are 5 and 7, 17 and 19, and 29 and 31. How many prime pairs have both members ...
95. ### math

Price: 5.49 Unit Rate: 0.04 Price: 1.50 Unit Rate: 0.02 how much would you save in one year?
96. ### calculus 3

determine the value of the constant α so that f(x,y) is continuous at (1,-1) if f(x,y): i)sin(x+y)/(x^(2 )– y^2 (x,y)≠(0,0) ii) α (x,y)=(0,0)
97. ### calculus 3

determine the value of the constant α so that f(x,y) is continuous at (1,-1) if f(x,y): i)sin(x+y)/(x^(2 )– y^2 (x,y)≠(0,0) ii) α (x,y)=(0,0)
98. ### Physics

In an experiment done by scattering 5.5 MeV α particles on a thin gold foil, students find that 10,000 α particles are scattered at an angle greater than 90 degrees. How many α particles will be scattered between 60 degrees and 80 degrees?
99. ### Trigonometry

The quadratic equation x^2−9x+10=0 has roots tanα and tanβ, where 0∘<α+β<180∘. What is the measure of α+β (in degrees)?
100. ### Physics HELP!!

A small ball of mass m=0.60 kg hangs from a massless string of length l= 1.2 m. The ball travels in a vertical circle and its speed at the bottom is v0= 6.0 m/s (see figure). Neglect all friction and air drag, and use g=10 m/s2 for the gravitational acceleration. The ball is ...