11/29/22
Diffirential Cal (rush pls help)
locate the point of inflection (x,y), of the curve y=x^3-3x^2+4x-3 and find the equation of the inflectional tangent at the point of inflection. the point of inflection is _____ and the equation of...
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11/29/22
Differential Calculus (help pls)
If y= ax^3 + bx^2 and its point of inflection is at (2, 4), then a=
11/29/22
HELPP I HAVE A TEST TODAY
Q.Olivia has read 143 pages of a 220-page novel. Use the percent proportion to represent the percent of pages in the novel that OIivia has read.
11/29/22
hello pls explain well
There were 476 foldable and non-foldable bicycles in a shop for sale. After 208 bicycles were sold, 5/9 of the non-foldable bicycles and 4/7 of the foldable bicycles were left in the shop. How many...
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11/29/22
hello pls help pls how do i write this out pls explain
There were 1670 English and Chinese books in a bookshop. During a weekend sale, 7/10 of the English books and 3/4 of the Chinese books were sold. The bookshop was left with 462 books. How many...
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11/29/22
Quadratic formula
Suppose you want to draw a rectangle where the width is 22 centimeters less than the length and the diagonal is 22 centimeters longer than the length. What are the dimensions of the rectangle?
11/29/22
10.3 applications
Find two positive numbers whose difference is 9 and whose product is 2332
11/29/22
10.3 applications quadratic equations
A rectangle has a length of 31 feet less than 6 times its width. If the area of the rectangle is 4470 square feet, find the length of the rectangle.
Probability tree
Use a probability tree to find the probabilities of the indicated outcomes.An urn contains 7 red, 8 white, and 9 black balls. One ball is drawn from the urn, it is not replaced, and a second ball...
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11/29/22
pls help me i cant understand
jamell made a scale drawing of his school the school yard is 13 millimeter long in the drawing .the actual school yard is 65 meters long what is the scale of the drawing
11/29/22
Find a polynomial f(x) of degree 4 with real coefficients and the following zeros.
2, -4, 2-i
11/29/22
Variations and radicals
if y varies inversely as the square of x, and y = 11/4 when x = 4, find y when x = 2.
11/29/22
The sum of three numbers is 86. The first number is 10 less than the second. The third number is 2 times the first. What are the numbers
The sum of three numbers is 86. The first number is 10 less than the second. The third number is 2 times the first. What are the numbers
11/28/22
Find the value of the investment after 11 years.
A person invests $7000 at 2% interest compounded annually for 4 years and then invests the balance (the $7000 plus the interest earned) in an account at 5% interest for 7 years. Find the value of...
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11/28/22
An unknown radioactive element decays into non-radioactive substances. In 680 days the radioactivity of a sample decreases by 64 percent.
(a) What is the half-life of the element?half-life: (days)(b) How long will it take for a sample of 100 mg to decay to 75 mg?time needed: (days)
11/28/22
Parallel/Perpendicular Through Point
What is an equation of the line that passes through the point (-5,2)(−5,2) and is parallel to the line 4x-5y=54x−5y=5?
11/28/22
An unknown radioactive element decays into non-radioactive substances. In 420 days the radioactivity of a sample decreases by 62 percent.
(a) What is the half-life of the element?half-life: (days)(b) How long will it take for a sample of 100 mg to decay to 80 mg?time needed:
11/28/22
Math: Fraction Slope problems. (2 questions.)
how would you solve -1/3y+4x=3? I'm confused but I know the basics it's just that I haven't learned how to do the fractions yet. -X/3+4 Can someone explain both problems and how to solve them and...
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