Worded indicies problem- Find temperature of liquid

When a liquid is placed into a refrigerator, its temperature T°C at a time t minutes is given by the formula T=T*10^-kt The temperature is initially 100°C and drops to 40°C in 5 minutes. Find...

Algebra II HW Questions (Please show step by step and explain)

4. Graph the area bounded by  y< 1/2x+6, X+3y>=12,  X>=0 and x<=12   part i. graph the bounded by X>=0 and x<=12. shade the region that...

set theory

from 50 students taking exam in mathematics, physics and chemistry, each of the student has passed in at least one of the subjects, 37 passes mathematics, 24 physics and 43 chemistry. At most 19 passed...

A company rents boats for $70 per hour plus initial $15 fee.

Write an equation that models the scenario. Let x equal the number of hours and y equal the total cost of the rental. Make a table and find 5 points that satisfy the equation.Graph the relationship...

I need assistance with figuring out the shapes needed to make the pens.

All the kings are coming together for a celebration and they are all bringing their elephants with them. Our task is to design holding pens for these elephants. Here are the king’s directions. 1....

A point has no dimension, but it exists how?

If a point has 0 dimension  means no dimension then how does it exist?

If you eat 7 mini-muffins, how many calories will you consume?

A recipe for blueberry muffins states that it yields 12 muffins, with 265 calories per muffin. You instead decide to make mini-muffins, and the recipe yields 20 mini-muffins. If you eat 7 mini-muffins,...

Find the lengths of the diagonals of the rhombus without using the law of sines or law of cosines?

Quadrilateral ABCD is a rhombus with side of lengths 8cm. The measure of one angle of the rhombus is 157 degrees.    Find the lengths of the diagonals of the rhombus without using...

Jun 1 | Sam from Dearborn Heights, MI | 1 Answer | 0 Votes

Please help me with this math question?

Circle F is intersected by HI and IJ and m∠HIJ = 101°. What is the measure of HJ?     Here's a link to the picture: http://imgur.com/a/O8pO3

Math question, please help?

The sector of a circle with a 60 mm radius has a central angle measure of 30°. What is the exact area of the sector in terms of π?   - Thank you to anyone who helps!

May 26 | Jack from Newbury Park, CA | 1 Answer | 0 Votes

Could someone please help me with this math question?

What is the equation of a parabola with (−2, 4) as its focus and y = 6 as its directrix?   - Thank you to anyone who helps!

Pre Cal Problem

Suppose two adjacent endpoints of a rotated square are located at (-3,-7) and (1,-3) on the coordinate axes.   a. What is the length of the side of the square?   b...

Pre cal problem

Use absolute value notation to represent the following:   a. All numbers x whose distance from -3 is less than 3.2   b. All numbers x whose distance from 2 is less than 2...

10 foot pole casts a shadow of 25 feet how tall is a tree that casts a shadow 35 feet

I Just had to put some thing in this box so here ya go

Lerato is 5 years older than Nobanzi. The sum of their ages is 33. How old is Lerato

Full explinaiton please 

If I add the dates of the days before and after my birthday to my birth date, I get a total of 15. On what date do I celebrate my birthday?

Full explinaiton please 

There are 7 more boys than girls in a class of 33 learners. How many girls are there?

Full explinaiton please 

When twice a certain number is subtracted from 11, the result is 5. What is the number?

I need a full explanation please.

May 22 | Fabio from Pittsburgh, PA | 1 Answer | 0 Votes

if 82 students are selected in an exam in ratio 1:3 and 1:5 what is the probability selecting students from each ratio

I am trying to find the total number of students appered for the exam

how much is the discount on a coat that was originally priced at 129.95 if its sale price is 84.47

This is a math problem that relates to percents and percent application