02/17/20

i need help solving

NASA launches a rocket at t=0 seconds. Its height, in meters above sea-level, in terms of time is given by h=−4.9t2+199t+297.How high is the rocket after 9 seconds?   metersHow high was the rocket... more
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02/16/20

trig help, sec confused
Find the EXACT value of cos(A+B) if sinA=−8/17 where A is in Quadrant III and secB=−5/4 where B is in Quadrant II. Assume all angles are measured from standard position. cos(A+B) =
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02/13/20

Given: △ACM, m∠C=90°, CP ⊥ AM . b AC:CM=3:4, MP-AP=1. Find AM.
Given: △ACM, m∠C=90°, CP  ⊥ AM .Chapter ReferencebAC:CM=3:4, MP-AP=1. Find AM.Please use geometry, and the answer isn't 5
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02/12/20

What is the conjugate?
What is the conjugate of -2+√b ?(A) -2 - √b(B) (1)/(-2 + √b)(C) b + 4(D) 2 + √b (E) none of the aboveFor this I got (E) none of the above, because I got -2√b. Is this correct?
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02/12/20

Algebra Problem:
Add: (4x+12)/(x-2) - (2x+8)/(-x+2)(A) (2x+4)/(x-2)(B) (6x2+24x+8)/(x2-4)(C) (6x+20)/(x-2)(D) -2 (E) none of the above
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02/11/20

Mathematics algebra1 algebra2
Calculate the number of subsets and the number of proper subsets for the set{1,3,5,7,9,11}
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02/11/20

-11x - 10y = 17 and 5x - 7y = 50
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02/11/20

The slope of the line that passes through the points (-10,y) and (5,2) is 2/5. What is the value of y?
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02/10/20

Find the Antiderivative
Find an antiderivative of 4x7. Question options: 1) 2)  3)  28x6 + C 4)  None of these
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02/10/20

Two angles of a quadrilateral measure 227° and 87°. The other two angles are in a ratio of 11:12. What are the measures of those two angles?
Two angles of a quadrilateral measure 227° and 87°. The other two angles are in a ratio of 11:12. What are the measures of those two angles? Please help I dont have time
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02/10/20

Algebra grouping

Find two numbers whose product is 10x3=30 and whose sum is -11
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02/09/20

Find speed limit and equation
A person drives 390 Miles on a stretch of road. Half the distance is driven traveling 5 mph below the speed limit, and half the distance is driven 5 mph above the speed limit. If the time spent... more
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02/08/20

The perimeter of a rectangle is 98, and the length of one of its diagonals is 41. Find the area of the rectangle.
can i get help on how to solve this?
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02/08/20

How can we determine the mass of the largest angle of an obtuse triangle with side lengths as three consecutive natural numbers?
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02/07/20

the output is four times the difference of the input and 5
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02/07/20

Factor a^2+5bc^2-a-5b
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02/06/20

Definite integrals
Find the definite integral of ∫12 3t2 + 2e3t + 1/t + 2 cos 3t + cosht dt
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02/06/20

Find the limit, if it exists. lim[x→0+0 ( 8/x − 8/|x|)

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02/06/20

Evaluate the limit, if it exists.((7 + h)^−1 − 7^−1)/h

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02/06/20

Evaluate the limit, if it exists. lim[h → 0] (√(9 + h) − 3)/h
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02/06/20

Yolanda runs 10 miles in 75 minutes.At the same rate, how many miles would she run in 69 minutes?
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02/06/20

Find the equation of the tangent line to f at x=a. Given the function f(x)=sqroot(x+3), and a=1
Slope of the tangent line is 1/4
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02/06/20

Algebra 2 question

Tanisha solved the equation below by graphing a system of equations.What system of equations could be used to approximate her solution? Do your best to type out the two equations for the system.  
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02/04/20

Find the x- and y-intercepts of the line that passes through (-6,-6), (4,-4)
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02/03/20

find the other endpoint of the line segment with the given endpoint and midpoint. show work. endpoint (-10,6) midpoint (7,-6)
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