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(−3xy^2)^3*(− 2/3 x^2y^3)^4
General
2 months ago
What solution is 7(y+3)=5y+8
General
2 months ago
Suppose the lengths of the pregnancies of a certain animal are approximately normally distributed with mean mu equals 197 days and standard deviation sigma equals 16 days. Complete parts (a) through (c). (a) What is the probability that a randomly selected pregnancy lasts less than 192 days? The probability that a randomly selected pregnancy lasts less than 192 days is approximately . 3783. (Round to four decimal places as needed.) (b) What is the probability that a random sample of 29 pregnancies has a mean gestation period of less than 192 days? The probability that the mean of a random sample of 29 pregnancies is less than 192 days is approximately nothing
General
2 months ago
David wants to buy a new tablet computer. He looks at a sales ad and sees that a computer store is selling a tablet computer for $499 which is 13 off the regular price. Part A: Write an equation that represents the situation. Let x = the original cost of the tablet. Part B: Find the original cost of the tablet computer
General
2 months ago
Trevon is making payments on a car that costs $26,555. He makes 36 equal payments.If he rounds the equal payments up to the nearest whole dollar, about how much will he overpay after 36 months?
General
2 months ago
Show your work4(2x - 6) = 10x - 6
General
2 months ago
An apartment complex charges a refundable security deposit when renting anapartment. The deposit is $200 less than the monthly rent. If Charlene paid a totalof $1100 for her first month's rent and security deposit, how much is her monthlyrent? How much is the security deposit?
General
2 months ago
Which ordered pairs are solutions to the inequality y-4x (greater than or equal to) -5?Select each correct answer.(-2,1)(-4,2)(1,-1)(4,0)(5,-2)
General
2 months ago
The amount of time devoted to studying statistics each week by students who achieve a grade of A in the course is a normally distributed random variable with a mean of 7.5 hours and a standard deviation of 2.1 hours. a. What proportion of A students study for more than 10 hours per week? b. Find the probability that an A student spends between 7 and 9 hours studying. c. What proportion of A students spend fewer than 3 hours studying? d. What is the amount of time below which only 5% of all A students spend studying?
General
2 months ago
Suppose a 10-in. circular pizza costs $4.00. To find the price, x, of a 14-in. circular pizza, is it correct to set up the proportion Start Fraction x Over 4 End Fraction equals Start Fraction 14 Over 10 End Fraction A. No, it is not correct. The ratio of the prices is equal to the ratio of the areas and not to the ratio of the diameters B. No, it is not correct. The ratio of the prices is equal to the ratio of the radii and not to the ratio of the diameters. C. Yes, it is correct. The ratio of the prices is equal to the ratio of the diameters. D. 10 No, it is not correct. The ratio of the prices is equal to the ratio of the diameters, but the proportion should be-= X 14 E. Yes, it is correct. The ratio of the prices is equal to the ratio of the areas.
General
2 months ago
please explain what is SSS ASA ASS SAS formula.... so confused
General
2 months ago
What is the slope of a line that is perpendicular to the line y = 8x + 5?
General
2 months ago
A, B, and C are polynomials, where A = n, B = 2n + 6, and C = n2 – 1. What is AB – C in simplest form? A=–n2 + 3n + 5 B=n2 + 6n + 1 C=2n2 + 6n – 1 D=3n2 + 5
General
2 months ago
A soccer coach purchased one goal and some soccer balls for the team. The expression 180 + 15x represents the cost before tax. What do the different parts of the expression model? Drag the parts of the expression into the boxes to match each description.
General
2 months ago
The length of a rectangle is one unit shorter than one-sixth of the width, x. Which expression represents the perimeter of the rectangle? 7/3x−2 1/3x−4 1/3x−2 7/3x−8
General
2 months ago
you place a 3 3/8 pound weight on the left side of a balance scale and a 1 1/5 pound weight on the right side of a balance. How much weight do you need to add right side to balance the scale?
General
2 months ago
Suppose C and D represent two different school populations where C > D and C and D must be greater than 0. Which of the following expressions is the largest? Explain why. Show all work necessary. A: (C + D)2 B: 2(C + D) C: C2 + D2 D: C2 − D2
General
2 months ago
Complete the following statements in relation to the third term in the expansion of the binomial (2x+y^2)^5
General
2 months ago
What is the y-intercept of the line? y +6x - 4y-intercept =?
General
2 months ago
Which of the following demonstrates the commutative property across multiplication for 2 × 10 × 7 A. 2 + 10 × 7 B. 2 × (10 × 7) C. 10 ×7 × 2 D. (2 × 10) × 7
General
2 months ago
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