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in order to ask me the width of a river, similar triangles can be used as shown in the diagram. Three markers O, C, and E are placed on the upper Bank of the river for me a right triangle. He is on the back of the river and OC is perpendicular to CE. A marker in is placed across the river and cold in here with C & E. Another marker, A is Place downstream on the bank so that see it is perfectly Dacula to in a. If OC is 66 ft, CE is 44 ft, and NA is 93 ft, find the estimated width of the River, and E, in feet.
General
2 months ago
Plzzz answer this.... Its very important
General
2 months ago
Can anyone plzzzz help me with this question of linear equation in two varaiable plzzzzzz... Its very important... Plz solve it for me....
General
2 months ago
walt is mixing fruit punch for a party. he combines 1 gallon 2 quarts 3 pints of orange juice, 1 gallon 3 quarts 7 pints of pineapple juice, and 1 gallon 3 quarts 3 pints of ginger ale. whats the total liquid measure of the punch?
General
2 months ago
find the values of x and y that make these triangles congruent by the hl theorem x=2,y=3 x=-2,y=3x=3,y=2x=4,y=8
General
2 months ago
If the sides of a triangle have measures 3x + 4, 6x – 1 and 8x + 2, find all possible values of x.a) x > -4/3b) 0 < x < 1/6c) 1/6 < x < 3/11d) x > 0
General
2 months ago
What divides each median into two sections at a 2:1 ratio? Question 6 options: a) circumcenter b) incenter c) centroid d) orthocenter
General
2 months ago
Two sides of a triangle have lengths 15 cm and 19 cm. Which measurement can be the length of the third side? Question 15 options: a) 6 cm b) 4 cm c) 40 cm d) 36 cm
General
2 months ago
A college administrator would like to estimate the average grade point average (average of GPA) of all the current registered students based on a random sample. He plans to estimate the average GPA to within 0.05 with 90% confidence interval. At least how many students does he need to include in the sample in order to accomplish that? Assume the standard deviation of all GPA's in the student population is \sigma σ = 0.4.
General
2 months ago
Bily is helping to make piZzas for a school function. He's made 25 pizzas so far His principal asked him to make at least 30 pizzas but no more than 75 Solve the compound inequality and interpret the solution 30 S x+25 75
General
2 months ago
A satellite is composed of 30 modular units, each of which is equipped with a set of sensors, some of which have been upgraded. Each unit contains the same number of non-upgraded sensors. If the number of non-upgraded sensors on one unit is 1/5 the total number of upgraded sensors on the entire satellite, what fraction of the sensors on the satellite have been upgraded?a) 5/6b) 1/5c) 1/6d) 1/7e) 1/24
General
2 months ago
Which are the solutions of x2 = –11x + 4? StartFraction negative 11 minus StartRoot 137 EndRoot Over 2 EndFraction comma StartFraction negative 11 + StartRoot 137 EndRoot Over 2 EndFraction StartFraction negative 11 minus StartRoot 125 EndRoot Over 2 EndFraction comma StartFraction negative 11 + StartRoot 125 EndRoot Over 2 EndFraction StartFraction 11 minus StartRoot 137 EndRoot Over 2 EndFraction comma StartFraction 11 + StartRoot 137 EndRoot Over 2 EndFraction StartFraction 11 minus StartRoot 125 EndRoot Over 2 EndFraction comma StartFraction 11 + StartRoot 125 EndRoot Over 2 EndFraction
General
2 months ago
A private plane can make a 125-mile trip in half an hour when flying against a certain headwind.win the same wind, it can make the trip in 25 minutes. Find the speed of the wind and the plane's airspeed.
General
2 months ago
A projectile is fired at such an angle that the verticalcomponent of its velocity is 49 m/sec. The horizontalcomponent of its velocity is 60 m/sec. (a) How long doesthe projectile remain in the air (b) What horizontal distancedoes it travel?
General
2 months ago
The revenue function R(x) and the cost function C(x) for a particular product are given. These functions are valid only for the specified range of values. Find the number of units that must be produced to break even. R(x) = 200x-x²; C(x) = 65x+2750; 0 ≤ x ≤ 100
General
2 months ago
Which expression is equivalent to -1.3 - (-1.9)−1.3−(−1.9)minus, 1, point, 3, minus, left parenthesis, minus, 1, point, 9, right parenthesis? Choose 1 answer: Choose 1 answer: (Choice A) A -1.3+(-1.9)−1.3+(−1.9)minus, 1, point, 3, plus, left parenthesis, minus, 1, point, 9, right parenthesis (Choice B) B -1.3+1.9−1.3+1.9minus, 1, point, 3, plus, 1, point, 9 (Choice C) C -1.9+1.3−1.9+1.3minus, 1, point, 9, plus, 1, point, 3 (Choice D) D 1.3+1.91.3+1.9
General
2 months ago
The lifetime in miles for a certain brand of tire is normally distributed with a mean of 22,000 miles and a standard deviation of 3,100 miles The tire manufacturer wants to offer a money-back guarantee so that no more than 3% of tires will qualify for a refund. What is the minimum number of miles the manufacturer should guarantee that the tires will last?
General
2 months ago
In a given triangle, the largest side is 3 less than twice the length of the smaller side. The other side (that is not the smallest or largest) is 6 units longer than the shortest side. Write an expression that represents the perimeter of the triangle if x represents the length of the smallest side. (hint: label all three sides)A: 6x – 12B: 4x + 3C: 3x^2 – 4x + 1D: 3x + 6
General
2 months ago
Ken's fitness member ship cost $100 to join plus a $25 monthly fee. Ken also used a coupon to get 10% off the monthly fee. What equation models the total cost of Ken's fitness membership (C) after a number of months (m)?
General
2 months ago
6=m-7/8please help me pleaaaaaaaase
General
2 months ago
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