To mix purple paint how to mix purple paint Maya mix 2/5 cup of red paint with 5/8 cup of blue paint she wants to make a larger batch of purple paint how much

to make purple paint how to make purple paint Maya mixed 2/5 cup of red paint with 5/8 cup of blue paint she wants to make a larger batch of purple paint how much red paint is needed to mix 1 cup... more

10/07/17

what is the probability of a club card or face card out of 52 cards?

A deck of playing cards and the probability of a club card or face card coming up in a deck of 52 cards.

10/07/17

word problem

a girl makes $18 per hour as a math tutor. Her paycheck is calculated by multiplying $18 times the number of hours she worked. How many hours will she have will she have to work to earn more than... more

which equation illustrates the multiplicative inverse property?: a)1*x=x B)x*1/x=1 c) 1*0=0 d) -1*x=-x

hi im having trouble with this questio. If you could help me and explain it to me that would be great. Thanks!

Conversions?

Virginia and Campbell had 100 kg of a 20% glycol solution. How much of a 40% glycol solution should they add to get a solution that is 35% glycol?

empirical rule

Assume that a normal distribution of data has a mean of 11 and a standard deviation of  3.Use the empirical rule to find the percentage of values that lie below 5.

Two fair die rolled. What’s the probability the sum of two die is 5?

Im confused by Steve‘s answer because in my understanding there are only 2 possibilities for a sum of (5) 4,1 or 3,2. So that’s two ways out of 36?

10/07/17

The sum of a number and its reciprocal is 13/6. Find the number.

I'm just having trouble with the set up. :/ 

The half-life of carbon-14 is 5770 years. Assume an organic sample is 20,000 years old. How many half-lives is 20,000 years? (Round your answer to two decimal

The isotope known as carbon-14 is radioactive and will decay into the stable form nitrogen-14. As long as an organism is alive, it ingests air, and the level of carbon-14 in the organism remains... more

The half-life of carbon-14 is 5770 years. Assume an organic sample is 20,000 years old. How many half-lives is 20,000 years? (Round your answer to two decimal

The isotope known as carbon-14 is radioactive and will decay into the stable form nitrogen-14. As long as an organism is alive, it ingests air, and the level of carbon-14 in the organism remains... more

10/07/17

Find the possible values of p,q,r and s from the expression. 65*p+65*q+65*r+65*5=650, it is being given that p,q,r and s are consecutive natural numbers

Find the possible values of p,q,r and s from the expression.  65*p+65*q+65*r+65*5=650, it is being given that p,q,r and s are consecutive natural numbers

10/06/17

time and money

jose makes $540 a week working 7 1/2 hours a day, monday through Saturday. How much weekly income will he lose if his boss cuts his work day down to 7 hours?

Question in decription

A Web music store offers two versions of a popular song. The size of the standard version is 2.5 megabytes (MB). The size of the high-quality version is 4.2MB. Yesterday, the high-quality version... more

10/06/17

Draw a picture to represents △JKL congruent △PQR. Name all of the pairs of corresponding congruent parts.

Draw a picture to represents △JKL congruent △PQR. Name all of the pairs of corresponding congruent parts.

10/06/17

Like a is parallel to the line y= -1/2x + 6 and passes through the point (4,10). What is the equation of line a?

It's algebra and I need help I am a confused 9th grader

For the standard normal distribution, find the area within one standard deviation

of the mean that is, the area between μ − σ and μ + σ. Round to four decimal places

10/06/17

3 ounces for every 3 4 cups

Complete to find each unit rate. Show your work. 6. 3 ounces for every 34 cup

10/06/17

I paid $6000 total which included 8.25% sales tax. How much was the product?

I paid $6000 total which included 8.25% sales tax. How much was the product?

10/06/17

For how many weeks will Steven need to deposit money into his savings account before he can pay back his sister and buy the bike?

Steven wants to buy a $565 bicycle. Steven has no money saved,but will be able to deposit $30 into a savings account when he receives his paycheck each Friday. However, before Steven can buy the... more

10/05/17

The cost of the desk was five times the cost of the chair. The total cost of both the desk and chair was 720. What was the cost of the chair

Can I please have some help help help help help help help help help help help help help help help 

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