A survey of 2,850 Canadian Internet users revealed that 1,400 of them had posted a photo or video online. A technology researcher wishes to use this result to test his claim that less than half of Internet users in Canada have posted photos or videos online. Use a=0.05. This hypothesis test is Oa right-tailed test for the population mean a right-tailed test for the population proportion O a left-tailed test for the population mean O a left-tailed test for the population proportion O a two-tailed test for the population proportion

Q: abc and dbf are vertical angels, with m abc=4x and m dbf= 96x-12)

A: Here we find the abc and dbf are vertical angels.

Q: 37.) Show all step to evaluate: SN NS /3-y² /3-y² dzdxdy

A: We have to find the value

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Q: SU is a midsegment of ATVW. If VW = -5z + 90 and SU = 2z + 9, what is VW? %3D U V S W VW = ト

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Q: Hiw.S Let Asitij-zk, B=-i-kandc=zituj-zk finds A-(2B-c) 4-2AX3B saCAXB).c 6- Ax(Bxc)

A: Given that: A=i+j-2kB=-i-kC=2i+4j-2k NOTE: As per our answering guidelines, we can only answer 1…

Q: As 00, y Select] As a -00, y Select J [ Select ]

A: Estimate by the graph where y approach as x approach to infinity

Q: 4. A line segment L passing through the point (1, 1) has its endpoints lying on the x-axis and…

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Q: Find the midpoint between (-2,5) and (6,4) * O (2,9/2) O (6/4,6) O (3,-7) (-4,-9)

A: Solution

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A: We Know that,

Q: Don't use chatgpt, I will 5 upvotes Evaluate a,b and c when…

A: The objective of this question is to find the values of a, b, and c that make the matrix…

Q: This

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Q: If you can, please draw the grafic of this exercise

A: This question can be solved using the concept of drawing parametric curves.

Q: Explain method of False position in detail.

A: Method of false position

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A: Given ÷ r2=9cosθ Curve is shown below

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Q: If possible, Find AB and BA 4 A= (1, B= [3 -5 ]

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Q: II. Let U = R I = {x € R|x° – 14x³ + 45x = ( J = {x €R|x° 2}. Find the following. All infinite sets…

A: We have I={x∈ℝ|x5-14x3+45x=0} Solve for x in  x5-14x3+45x=0, We get I={-3,-5,0,5,3}.

Q: Choose the answer that best describes the relationship between [2] and [2, C, B}

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Q: Write 1 true and-1-false for your answer. Let A= Answer: (13) B-(23) 0-(63) (37)- C= , Is a linear…

A: We need to see if the given matrix  is a linear combination of matrices A,B,C Now,…

Q: Define Conjugate transpose.

A:

Q: evaluate, the pielewise finction at the indicated' values f6) =63 4x-5 if ×ム4 if X24

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Q: Let u= and v= identify 3u+v???

A: We have to identify 3u+v for the given vectors: u=2, -3 and v=4, -1. Finding 3u: 32, -3=6, -3

Q: please help me with this exercise

A: Given,

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A: Given,

Q: Write the forward difference and backward difference for Uy

A: Forward difference formula:  The forward difference of yn is given by ∆yn = yn+1-yn. Backward…

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Q: the one u just did is wrong and can you please do the second

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Q: 7. 10 8 9 5 D 3 E F G AC DG and B and F are midpoints of AC and DG, Subtraction Property

A: if AC¯≅DG, B & F are midpoints of AC and DG and we have to prove AB¯≅DF  if B is a midpoint of…

Q: I cannot see the answer because its being cut-off, could you please resubmit it so I can see it all.

A: NOTE: Refresh your page if you can't see any equations. . here the initial population is a=1500…

Q: Find the oidered pair that is a member of both -2x+3y=19 and 2x+5y=53 or indicate if it does not…

A: We need to find ordered pair that is member of both given lines.

Q: Given: x = 2 , X2 + 5 , X3 = -8 ,x,+6 %3D %3D y, - 3, Y2 -3, y3 = -2 Ys -2 2. X; Yi 3. !x%

A: The given expression can be re-written as ∑i=14xi-1·3·xiyi=3·∑i=14xi-1·xiyi, and…

Q: Elianna wonders if the same ideas of AA triangle similarity would work for rectangles. She makes the…

A: Given statement : All angles of a rectangle are 90°. Hence, they are similar. ★ To be proved -…

Q: Identify the vertex, focus, axis of symmetry, directrix, direction of opening, min/max value,…

A: we can rewrite the equation we get  y=-(x2-4x+4)y=-(x-2)2(x-2)2=-y