09/04/17

(a) prove that the equation has at least one real root. (b) use your calculator to find an interval of length 0.01 that contains a root.

(a) prove that the equation has at least one real root.  (b) use your calculator to find an interval of length 0.01 that contains a root.    cos x = x^3

Algebra 2 World Problem

Suppose you want to fill nine 1 pound tins with a snack mix. You have $15 and plan to buy almonds for $2.45 per pound, hazelnuts for $1.85 per pound, and raisins for $0.80 per pound. You want the... more

What value of body temp distinguishes the higher 10%

body temp of adults is approx normally distributed with a mean of 37 degrees c & STD 0.45

08/30/17

If a line is perpendicular y=1/2x+5, will it be perpendicular to x-2y=14

Explain 

Rachel put 3 red marbles, 2 blue marbles, 1 yellow marbles and 1 green marble into a bag without looking Rachel pulled 2 marbles out of the bag.

Rachel put 3 red marbles, 2 blue marbles, 1 yellow marbles and 1 green marble into a bag as shown below all the marbles were the same shape and size. without looking Rachel pulled 2 marbles out of... more

08/29/17

milk and water related question

a quantity of 60% and 37.5% milk solution from two vessels A and B whose capacities are in the ratio 5:8 are poured into third vessel C. what is the concentration in vessel A if the ratios of milk... more

08/28/17

3:11 if she had 33$ how much money do they have together

The ratio of lsabella's money to Shane's money is 3:11.if lsabella has 33$,how much money do Shane and lsabella have together? Use diagram to illustrate your answer

08/28/17

2 angles are supplementary. The measure of 1 angle is 21 more than twice the measure of the other angle. Find the measures of the angles.

This problem is asking me to find the measure of the angles but I don't understand how I have enough information to solve them.

Find the interior angles of the triangle with the given vertices. (8,10), (-1,0), (-8,3)

The answer should be rounded to nearest whole number (if needed)

08/25/17

see description

An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two... more

08/25/17

Integrate(1/(1+x^(8))dx from 0 to 1.

Please help. I know the answer is long. But how do I do this.

whats the proportion

the incoming cohort of juveniles in a new diversion program consist of 80 males and 120 females. Of this cohort, 140 graduate early. what is the proportion of male participation in the program?

Complete the following sequence: 7,7,7,10,11,12..........

Please explain how you arrived your answer. 

mean and variance of these

1.30, 1.31, 1.11, 1.08, 1.09, 1.13, 1.65, 1.26, 1.26, 1.18

08/06/17

probability

An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two... more

08/06/17

sin^4x + sin^2x=1 then prove 1/tan^4x +1/tan^2x

plz help by giving solution 

08/02/17

Choose the ratio that is equivalent to this one. 1 /6

i need help

07/24/17

Using a working mean of 37

Calculate the mean mark 

07/23/17

An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succes

An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two... more

07/22/17

Max Points: 5.0 Explain why computing a variance of several numbers is like analyzing their differences

Explain why computing a variance of several numbers is like analyzing their differences

07/21/17

Consider a triangle ABC like the one below. Suppose that B=124° , a=74 , and c=15 .

Consider a triangle ABC like the one below. Suppose that B=124° a=74 and c=15(The figure is not drawn to scale.) Solve the triangle.Carry your intermediate computations to at least four decimal... more

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