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MATH SOLVE
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(15pt) Prove that (AB)^-1 = B^-1A^-1 provided A and B are invertible.
General
2 months ago
2. In how many ways can you form 3-letter "words" from the letters of "Adelphi" so that the first and last letters are vowels? No repeats allowed. Explain your answer
General
2 months ago
1. IN hex: a. Convert 1000 to hex; b. Add DEF to CBA.
General
2 months ago
NEED HELP NOW, WILL GIVE 25 POINTS!!!Question 24 refers to the following information:Serving cup size: 1 cupSodium: 440 milligramsPotassium: 171 milligramsProtein: 4 gramsOne box of protein contains 8 servings.Joslyn consumed 8 grams of protein from the cereal, if she consumed p% of the box, what is the value of p?
General
2 months ago
In ⊙H, Arc I K ≅ Arc J K, mArc I K = (11x + 2)°, and mArc J K = (12x – 7)°. Circle H is shown. Line segments H I, H K, and H J are radii. Lines are drawn to connect points I and K, and points K and J to form congruent secants. What is the measure of Arc I J K? mArc I J K = °
General
2 months ago
Type the correct answer in each box.A circle is centered at the point (5, -4) and passes through the point (-3, 2).The equation of this circle is (x + ____)²+ y(_____)²=_____
General
2 months ago
if the probability of the seattle mariners winning the world series is 3/33, then what are the odds of the mariners winning the world series?
General
2 months ago
What is the slope of the line passing through (0, -3) and (0, -2)A. 0B. UndefinedC. -2/3D.3/2
General
2 months ago
1. Let x[n] be a signal with x[n] = 0 for n<-1 and n > 3. For each signal given below, determine the values of n for which it is guaranteed to be zero. (a) x [n -2] (b) x [n+ 3] (c) x [-n + 1]
General
2 months ago
Find the solution of the problem (1 3. (2 cos x - y sin x)dx + (cos x + sin y)dy=0.
General
2 months ago
What equation is graphed in this figure?y−4=−13(x+2)y−3=13(x+1)y+2=−3(x−1)y−5=3(x−1)Number graph that ranges from negative ten to ten on the x and y axes. A line passes through begin ordered pair zero comma two end ordered pair and begin ordered pair one comma five end ordered pair
General
2 months ago
Miki prepared two gallons of a beverage that contains tea and lemonade in the ratio tea:lemonade=3:1. If Miki then added one-half gallon of lemonade to the mixture, what was the ratio of tea to lemonade in the new mixture?
General
2 months ago
Circle P is described by the equation (×+4)2 +(y+7)2=16 and circle Q is described by the equation (x+2)2 + (y-3)2 =25. Select from the drop_down menus to correctly complete the statements. Circle Q is .........units to the .........of circle P and ..........units........it. Circle Q has ..........circle P. A) 2, 4, 6 or 10. B) Left or right. C) 2,4,6,or 10. D) above or below. E) A shorter radies than, The same radius as, A longer radius than?
General
2 months ago
What is the equation of a line that is perpendicular to (-6,3) and (3,5)
General
2 months ago
7 squared by 2 +3(4 squared by 2 +3+2)
General
2 months ago
From 1980 to 2000 the consumer price index increased from 82.4 to 172.2. If a jar of peanut butter cost $1.49 in 1980 and the price of peanut butter increased at the same rate as the cpi from 1980 to 2000 by approximately how much did the price of a jar of peanut butter increase from 1980 to 2000? A. .82 B. $1.72 C.1.62 or D. $3.11
General
2 months ago
Explain how to estimate the quotient using compatiblenumbers.plz help fast
General
2 months ago
(Score for Question 3:_ of 16 points)3. Mr. Sanchez's class sold fruit pies for $1.55 each and Mr. Kelly's class sold bottles of fruit juice for $1.40each. Together, the classes sold 60 items and earned $88.20 for their school.(a) Write and solve a system of equations that model the problem. Show all your work(b) Which class earned more money?(c) How much more money did that class earn?Answer:
General
2 months ago
A student in Greece discovers a pottery bowlthat contains 21% of its original amount of C-14.N = Noe-ktNo = inital amount of C-14 (at time t = 0)N = amount of C-14 at timett = time, in yearsk = 0.0001age of the pottery bowl to the nearest year??
General
2 months ago
Tell me please !!!!!!
General
2 months ago
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