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General
from the top of a vertical cliff 40 m high, the angle of depression of an object that is level with the base of the cliff is 34 degrees. How far is the object from the base of the cliff.
General
7 months ago
Mary has a collection of nickels and quarters for a total value of 4.90.if she has 42 coins total how many of each kind are there
General
7 months ago
Which of the following points lie in the solution set to the following system of inequalities? (1 point)y ≤ x − 5y ≤ −x − 4 (1, 10) (1, −10) (10, 1) (−1, 10)
General
7 months ago
if a large Factory sells its new gadgets for $5 each it can sell 1050 per month if it sells the same gadgets for $9 it will sell 900 per month assuming the relationship between prices and sales is linear predict the monthly sales of gadgets to the nearest whole number if the price is $12
General
7 months ago
Emma and Clair are planning to sell lemonade on their street. They have two recipes to choose from. Emma’s recipe calls for the juice of 5 lemons and 2 cups of water. Clair’s recipe calls for the juice of 2 lemons and 1 cup of water. Why will the first recipe taste more “lemony”?
General
7 months ago
When originally purchased, a vehicle had an estimated useful life of 8 years. the vehicle cost $23,000 and its estimated salvage value is $1,500. after 4 years of straight-line depreciation, the asset's total estimated useful life was revised from 8 years to 6 years and there was no change in the estimated salvage value. the depreciation expense in year 5 equals:?
General
7 months ago
On a sketch of y=ln(x)y=ln(x), represent the left riemann sum with n=2n=2 approximating ∫65ln(x)dx∫56ln(x)dx. write out the terms of the sum, but do not evaluate it:
General
7 months ago
The perimeter of a rectangle is 62m. find the length of its sides if it is known that the area of the rectangle is 1980000 cm².
General
7 months ago
A(t)=(t−k)(t−3)(t−6)(t+3)a, left parenthesis, t, right parenthesis, equals, left parenthesis, t, minus, k, right parenthesis, left parenthesis, t, minus, 3, right parenthesis, left parenthesis, t, minus, 6, right parenthesis, left parenthesis, t, plus, 3, right parenthesis is a polynomial function of ttt, where kkk is a constant. given that a(2)=0a(2)=0a, left parenthesis, 2, right parenthesis, equals, 0, what is the absolute value of the product of the zeros of aaa?
General
7 months ago
A 12 - ft ladder leans against the side of a house. the bottom of the ladder is 9 ft from the side of the house. how high is the top of the ladder from the ground? if necessary, round your answer to the nearest tenth.
General
7 months ago
Given a cylinder with a diameter of 23 mm and a volume of 12464.27 mm3, find the area of the vertical cross-section that goes through the center of the bases. A. 172.5 mm3 B. 345 mm3 C. 690 mm3 D. 30 mm3
General
7 months ago
A triangular prism has a volume of 2040 units3. The dimensions of the base of the prism is 20, the left side is 12 and the hypotenuse is 16 What is the height of the prism? 96 units6.76 units21.25 units10.63 units
General
7 months ago
Two weeks ago Audrey earned $84 for 7 hours of work. This week, she earned 132 for 11 hours of work. Find the numerical value of the slope of the line.
General
7 months ago
The mitotic phase of the human cell cycle takes approximately 1 hour. What percentage of the 24-hour cell cycle is the mitotic phase?
General
7 months ago
How do you find the distance between two points that have the same y-coordinate and lie in the same quadrant?
General
7 months ago
Gena wants to estimate the quotient of –21.87 divided by 4.79. Which expression shows the best expression to estimate the quotient using front-end estimation?
General
7 months ago
Betty earns $52.65 per week working as a lifeguard. She worked as a lifeguard for 5 weeks. She also earned $46.25 painting faces at a carnival. She spent $16.25 of her total earnings to buy a book. Betty put 1 over 6 of the remaining money in her savings account.Betty used the following steps to find the total money she put in her saving account:Step 1: [($52.65 ⋅ 5) + $46.25 − $16.25] ⋅ 1 over 6 Step 2: [$263.25 + $46.25 − $16.25] ⋅ 1 over 6 Step 3: 293.25 ⋅ 1 over 6 Step 4: $1,759.50In which step did Betty first make an error? Use words to explain how Betty can correct her error.
General
7 months ago
what is the value for p in x = -1/8y^2
General
7 months ago
Please help. Which statements are true about the ordered pair (−1,−4) and the system of equations?x−y=37x−y=−3Select each correct answer.When (−1,−4) is substituted into the second equation, the equation is true.When (−1,−4) is substituted into the first equation, the equation is false.The ordered pair (−1,−4) is not a solution to the system of linear equations.When (−1,−4) is substituted into the second equation, the equation is false.When (−1,−4) is substituted into the first equation, the equation is true.The ordered pair (−1,−4) is a solution to the system of linear equations.
General
7 months ago
1) Find the vertices of the feasible region. 2) What is the maximum and the minimum value of the function Q = 70x + 82y on the feasible region?
General
7 months ago
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