TJS Mom

people. if the recipe for 8 servings called for 2 cupsof flour, how much flour would need for 5 servings?

after 10, each cost 50% of x. if ron spent $21.00 on 11 of george's widgets, what is the value of x?

The department of Health estimate a 10% rate of HIV for the risk population and a 0.3% rate for the general population.

1. Consider the at risk population. Of those with HIV, what percentage test positive?

2. Consider the at risk population. Of those who test positive, what percentage have HIV?

What steps I'm suppose to use to find answer

One of the authors with too much time on his hands weighed each chocolate candies in a bag of 469 plain chocolate candies.

One of the chocolate candies weighed 0.876, it was heavier than 324 of the other candies. What is the percentile of this particular value?

(Round to the nearest integer.)

Blood alcohol concentrations of drivers involved in a fatal crashes and then given jail sentence are listed below.

0.26

0.18

0.18

0.16

0.13

0.24

0.31

0.24

0.14

0.16

0.12

0.16

Find the range.

range= highest value(max) - lowest(min)

range= 0.31-0.12

range= 0.19

Find the standard Deviation. How do I find the standard deviation?

Blood alcohol concentrations of drivers involved in a fatal crashes and then given jail sentence are listed below.

0.26

0.18

0.18

0.16

0.13

0.24

0.31

0.24

0.14

0.16

0.12

0.16

Find the range.

range= highest value(max) - lowest(min)

range= 0.31-0.12

range= 0.19

Find the standard Deviation.

A grocer has 3 baskets of peaches, one holds 40 peaches and weights 18 pounds, a second basket holds 55 peaches and weights 22 pounds, and the third basket holds 65 peaches and weights 25 pounds. What is the mean weight of all peaches?

Peaches: 40+55+65= 160

Weight: 18+22+25= 65

Answer: 0.41

How in the hell they came up with 0.41?

I'm lost!!!!!!!!!

A grocer has 3 baskets of peaches, one holds 40 peaches and weights 18 pounds, a second basket holds 55 peaches and weights 22 pounds, and the third basket holds 65 peaches and weights 25 pounds. What is the mean weight of all peaches?

Peaches: 40+55+65= 160

Weight: 18+22+25= 65

Answer: 0.41

How in the hell they came up with 0.41?

I'm lost!!!!!!!!!

If a pro basketball player has a vertical leap of about 35 inches, what is his hang time? Use the hang time formula V=48T^2

I'm lost and need help with this problem

Solve. (x+8)(x-7)(x+5)>0

I just don't get this

question 1.) describe the nature of the solutions in -7x^2+5x-15=0

a.) one solution

b.) two solutions

c.)two imaginary solution

f(x)=-2x^2+2x+3

the x and y coordinate is?

line of symmetry is?

The maximum or minimum of f(x) is?

The value f(1/2)=7/2 is?

Please help, I just can't get this correct

Question 1.) Find the greatest common factor for -66a^3, 11a^4

Question 2.)

In a right triangle, find the length of the "a" side. b=2, c=sqrt 13

Thanks Math Experts

Question 1.) Find the greatest common factor for -66a^3, 11a^4

Question 2.)

In a right triangle, find the length of the "a" side. b=2, c=sqrt 13

Thanks Math Experts

if a pro basketball player has a vertical leap of about 35 inches, what is his hang time? Use the hang time function V= 48T ^ 2

Thanks

If the sides of a square are lengthened by 8cm, the area becomes 256 cm^2. Find the length of a side of the original square.

Thanks

Is the value maximum or minimum? f(-2)=4

Thanks

Express using positive exponents d ^ -7

Thanks