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what is the equation of the parabola with vertex (2,4) and focus (5,4)
General
8 months ago
Quadrilateral ABCD is located at A(−2, 2), B(−2, 4), C(2, 4), and D(2, 2). The quadrilateral is then transformed using the rule (x − 2, y + 8) to form the image A'B'C'D'. What are the new coordinates of A', B', C', and D'? Describe what characteristics you would find if the corresponding vertices were connected with line segments.
General
8 months ago
What is the perimeter, in grid units, of a regular octagon that has one side with endpoints (-1,2) and (3,-1)?
General
8 months ago
Which expressions are equivalent to 2^5x2^4? Check all that apply.2^92^202x2^92^10x2^22^-2x2^11(2x2x2x2x2)(2x2x2x2)
General
8 months ago
What is the equation of the line through (3,7) that is perpendicular to the line through points (-1,-2) and (5,3)?Please help :')
General
8 months ago
When solving the equation 12x^2-7x=6 -2x^2+2 as his first step which property justifies this step? A) subtraction property or equalityB) multiplication property of equality C) associative property of multiplication D) distributive property of multiplication over subtraction
General
8 months ago
The lengths of the sides of a triangle are in the extended ratio 3:7:8. The triangle’s perimeter is 72 in. What are the lengths of the sides?
General
8 months ago
1.08t can be written as (1.081/12)12t to give the approximate equivalent monthly interest rate based on an annual rate of 8%. Use the properties of exponents to transform the expression into a single exponent expression
General
8 months ago
Which situation involves descriptive statisticsEighty percent of the recipes in a cookbook require salt.A reporter surveys some commuters in a city to estimate what percent of city’s commuters spend 45 minutes or more getting to work.The survey shows that 1 in 3 moviegoers would attend a midnight showing.A recent survey of the cost of new homes in the United States shows that the median price of a new home is up $15,000 since last year.
General
8 months ago
Suppose that the trace of a 2×2 matrix a is tr(a)=15 and the determinant is det(a)=50. find the eigenvalues ofa.
General
8 months ago
The lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation of 15 days.a. find the probability of a pregnancy lasting 309 days or longer.b. if the length of pregnancy is in the lowest 4%, then the baby is premature. find the length that separates premature babies from those who are not premature.
General
8 months ago
A snail moves 1/50 a mile in 5/6 of an hour. If the snail continues at this pace, how far, in miles, does it move in one hour?
General
8 months ago
Find the critical value zc that corresponds to a 94% confidence level
General
8 months ago
Find the point estimate of the proportion of people who wear hearing aids if, in a random sample of 493 people, 40 people had hearing aids.
General
8 months ago
Hasmeet walks once round a circle with a diameter of 80m. There are eight points equally spaced on the circumference of the circle. Find the distance Hasmeet walks between one point and the next point.
General
8 months ago
For what values of x does the curve y^2x^3-15x^2=4 have horizontal tangent lines
General
8 months ago
The quotient when sarah divided a number by 5 was 247 with a remainder. what is one possible dividend and explain how you find it.
General
8 months ago
When three pipes fill a pool, they can finish in 12 hours. Two of the pipes can finish in 18 hours if they are working together. How long would it take a third pipe to fill the pool on its own?
General
8 months ago
According to an almanac, 60% of adult smokers started smoking before turning 18 years old. (a) compute the mean and standard deviation of the random variable x, the number of smokers who started before 18 in 400 trials of the probability experiment. (b) interpret the mean. (c) would it be unusual to observe 340 smokers who started smoking before turning 18 years old in a random sample of 400 adult smokers? why?
General
8 months ago
If a license plate uses a three-digit number followed by three letters of the english alphabet, how many license plates can be made?
General
8 months ago
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