# Math

## Recent Questions

math
a square has an area of 256 square inches. Find the perimeter of the square.

Math
A runner tries to keep a consistent stride length in a marathon. But, the length will change during the race. A runner has a stride length of 5 feet for the first half of the race and a stride length of 4.5 feet for the second half. 1.)A marathon is 26 miles 385 yards long. ...

Math
Which numbers are all divisible by 5?

Math
A faucet is leaking at a rate of 4.2 milliliter per minute. How many gallons of water does the faucet leak per day? Use 1 L = 0.26 gal. Explain how you solved this problem

Math

Math
Rachel’s biscuits require 0.75 cup of milk for 1 batch. Use dimensional analysis to convert this amount into liters. Use the conversion factors 1 cup/0.5 pints to convert cups into pints, 1 pint/0.5 quart to convert pintos to quarts, and 1 quart/0.94 liter to convert quarts ...

what is the solution to m+(-10)=-33 a.m=-33 b.m=-23** c.m=23 d.m=33

Math
Make this sentence true 50/10+10/2=5

Science/ Math
A person watching the race noticed that at exactly 10:05 am a ant wandered onto the snails 94-cm mark, and reached the 50-cm mark at exactly 10:06 am. What was the velocity of the ant? Is the answer 44 cm? Because v= d/t

Math
I already posted this but I don't think anyone replied but what is the difference between |-3| and -3

Math : /
what is the difference between |-3| and -3? I need to know because I'm really confused I thought they were the same thing

what is the value of -3x(7+(-3)^2)divided by 3? 13*** -2 -16 -48

Math
how do you simplify the expression 9 times (7-4)^2+9

Math

math
The 2nd and 5th term of G.P are 2/3 and 1/2 respectively.what is the 1st term,the 4th term and the 7th term

Math
The local Employment Council would like to hold a charity event to raise money for the area Food Bank. They want to spend as little money as possible to rent a room and provide light refreshments. Everyone in attendance will pay an admission fee that will cover costs and ...

Math
Solve using metal math. a) 4y+3=19 b) 2+3m=17

math
1/4 chose basketball 1/3 chose football and 2/5 chose cricket while 3 people chose tennis how many people were there in the class

Convert 3.16x10^3 in standard form

Math
Bella borrowed rupees 25000 from a finance company to start a boutique at 20% per annum compounded half yearly what amount of money will clear her debt after 3/2 years

Katie Hector wants to purchase a condo in Oxford, MS, in 20 years. The cost of the condo is expected to be \$180,000. Assuming she can earn 6% annually, what should Katie deposit today? \$126,900

Math
David paid a total of \$60 for 4 t-shirt and 3 pair of shorts.Each pair of short cost twice as much as a t-shirt.Find total cost of a pair of short and a t-shirt

Math
Find the proportions X/12=3/4

math
what is 789 divided by 19. Show work and not decimal

Math
We believe that 77% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 38 students from the population. If the true percentage is really 77â€‹%, find the probability of ...

Math
The average travel time to work for a person living and working in​ Kokomo, Indiana is 19 minutes. Suppose the standard deviation of travel time to work is 4.5 minutes and the distribution of travel time is approximately normally distributed. What is the travel time to work ...

Math
Polluted water flows into a pond. The concentration of pollutant in the pond at the t minutes is modelled by the equation c(t)= 9-90,000(1/10000+3t), where c is measured in kilograms per cubic metre. a) When will the concentration of pollutant in the pond reach 6 kg/m^3? b) ...

math
the length of a rectangle is 3 meters less than twice its width. write an equation to find the length of the rectangle. the length of the rectangle is 11 meters. what is the width of the rectangle

math
-5/11h + 7/9 = 2/9

Math
The smaller angle between the hands of a clock at 8:43 is what?

Math
Which linear equation is represented by the table? X: -2, 1 , 3 , 6 Y: 7 , 4 , 2 , -1 A. Y= -x + 5 B. Y= 2x - 1 C. Y= x + 3 D. Y= -3x + 11 I would tell you my answer but I don't even know how to do this so please give me the steps

Math
Triangle ABC has the side of lengths of 6,8,9. HGI is similar to ABC which has the side length of 12, 8, and its missing one length. What is the missing number. Can someone explain how to find that number.

Math
Insert the missing digits to make number sentence true _,_63-3,9_9=2,83-

Math
determine whether the number sentence is true. In each case explain how you could answer without calculating. Check your answers by doing the indicated calculations. A. 50 x 432= (50 x 400) + (50 x 32) B. 50 x 368 = (50 x 400) - (50 x 32) C. 50 x 800= ( 50 x 1000) + (50 x 200...

Math
Without changing the order of the numbers below, insert parentheses and/or addition signs so that the computation results in the number described below. 4 3 6 1 A. The number is a multiple of 5. B. The number is a factor of 36.

Math
A sum of \$7260 is invested at 11 1/4 % simple interest for one year. The amount, in dollars, that must be invested at 7 1/2% simple interest for one year to earn the same amount of interest?

Math
Insert parentheses and/oraddition signs to make each equation true. Remember that parentheses can indicate multiplacation. A. 3 2 4 1= 13 B. 3 2 4 1= 21 C. 3 2 4 1= 12 D. 3 2 4 1= 10

Math
Describe two ways to determine the larger of two fractions. A. Compare fractions by writing fractions as mixed numbers B. Compare fractions with the same denominator by comparing the numerators and compare fractions with different denominators by writing fractions as ...

Math
m•10-m•2=8 I think m=1 please check my work

Math
What do A and B stand for in math?

Math
Amy has \$1,000 in a savings account at the beginning of the fall. She wants to have at least \$500 in the account by the end of the fall. She withdraws \$100 a week for living expenses. Write an inequality for the number of weeks Amy can withdraw money, and solve. A) 1000 - 100w...

Math
Solve the equation 5.8 = z/2.2

Math
Solve the equation 2.8x = -9.24

math
Which ordered pair is a solution to the equation y = 13 ‒ x?

Math
What Value of x is a solution to the equation? x-2 = 16

Math
Ron is tiling a countertop he needs to place 54 square tiles in each of eight rows to cover the counter he wants to randomly place eight groups of four blue tiles each and have the rest of the tiles be white how many white tiles will Rod need? First I did 54 x 8= 422 Then I ...

Math
Write an algebraic expression for the sum of 3 Coins and c Coins

Math
Evaluate -5g-6 for g = -2

1) -5g-6 for g = -2 2) Write an algebraic expression for the sum of 3 Coins and c Coins 3) What Value of x is a solution to the equation? x-2 = 16 4) use mental math to solve the equation. z/-12 = -5 5) estimate the solution of the equation x-8.1 = 5.3 to the nearest whole ...

Math
1) -5g-6 for g = -2 2) Write an algebraic expression for the sum of 3 Coins and c Coins 3) What Value of x is a solution to the equation? x-2 = 16 4) use mental math to solve the equation. z/-12 = -5 5) estimate the solution of the equation x-8.1 = 5.3 to the nearest whole ...

Math
-5g - 6 for g=-2

math
Given: measured angle D =~ measured angle F; GE bisects DEF prove: DG =~ FG

math
Write a 2-column proof for each of the following. Given: QR|| TU , S is the midpoint of QT Prove: /\QSR =~ /\TSU /\ Is the triangle sign

math
Write a 2-column proof for each of the following Given:RS=~ TS , V is the midpoint of RT Prove: /\RSV=~/\TSV /\ is the sign that looks like a triangle.

math
Name the congruent angles and sides for the pair of congruent triangles. ΔGKP=~ ΔLMN that is the "congruent" sign

math
samir is twice as old as babul was two years ago.if the difference is 2 years how old is samir is?

Math
x2+y2+z2-x(al1+bl2+cl3)-y(am1+bm2+cm3)-z​(an1+bn2+cn3)=0 solve this equation

college math
A teenager's heart pumps an average of 7200 L of blood every 24 hours. what is the rate of change of volume of blood? That is per 1 hour

Math
Multiply. Express the product in simplest form.3/9 x 18 A.1/54 B.2 C.5 D.6

Math
What is an estimate of the solution of the equation 6n+3=2? Use a table Can someone help me plzz?

math
Use a proportion to find the missing side length in the following similar figures. A. x = 24 cm B. x = 8 m C. x = 6 m

Math
David paid a total of \$60 for 4 similar T-shirts and 3 similar pairs of shorts. Each pair of shorts cost

math
3 times a number is greater than half of the number by 50. What is the number?

Math
Please some one should assist me or else I will get flogged.

Math
A running tap dispenses 0.15 gallons of water every second. How many pints of water is dispensed after 20 seconds? Please show me how to get the answer.

Math
Identify the two numbers less than 20 with the most factors.explain how you solve the problem

math
write the phrase as an expression... 7 more than the quotient of a number y and 5

math
Find the point on the line 7x+5y−8=0 which is closest to the point (−1,−1).

Math
A rancher wants to fence in an area of 2000000 square feet in a rectangular field and then divide it in half with a fence down the middle parallel to one side. What is the shortest length of fence that the rancher can use?

MATH
Emma pays \$108 every 6 wks for tennis lessons. What is the price per year for tennis lessons? 6 * 7 = 42 days 109/42 = x /365 42x = 39420 x= 938.57

Math
Find the unit costs. Solve. 6. A. A 15-inch link of silver chain costs \$82.99 B. A 15-inch link of gold chain costs \$112.59 How do you do this?

Math
1. Five medium apples have about 475 calories. Three medium oranges have about 186 calories. Apple:_____________ Orange:____________ ______________ have fewer calories. How do you do this?

math
you mix 2/5 cup of red paint for every 1/4 cup of blue paint to makw 1 5/8 gallons of purple paint. how much red paint and blue paint do u use

Math
you mix 2/5 cup of red paint for every 1/4 cup of blue paint to makw 1 5/8 gallons of purple paint. how much red paint and blue paint do u use

Math
We believe that 77​% of the population of all Business Statistics I students consider statistics to be an exciting subject. Suppose we randomly and independently selected 38 students from the population. If the true percentage is really 77​%, find the probability of ...

Math
The surface area of the Sun is about 4x3.141x(7x10^5)^2 square kilometers. Simplify the expression

Math
What is the greatest odd number less than 250?

Math
A sports store has 116 soccer balls. Over 6 months , it sells 8 soccer balls per month . How many soccer balls are in inventory at the end of the 6 months?

math
In the correlation coefficient, what is the difference between r^2 and r? I know the correlation coefficient is r, and to find r you take the square root of r^2, but why do they show r^2?

Math
A woman makes n baskets and sells them all at the same price (A) If she sells all but 3 of the baskets . she will get 5,700. Express the selling price of a basket in terms of n. (B) If she makes 3 more baskets and sells them all, she will get 7,500. Write down another ...

math
I accidentally deleted the L2 column on my TI-84 calculator - is there a way to get it back on? Currently it goes L1 to L3

Math
At a “1/3 off” sale, the sale price of an item is \$360. How much money do you save by buying the item on sale? Explain your reasoning clearly.

Math
A mother is 20 years older than her daughter.if the daughter is y years old. (A) How old is the mother? (B) in terms of y how old was the daughter 4 years ago . (C) In terms of y, how old was the mother 4 years .(I) 4 years ago if the ratio of ages was7:3 find the present age ...

math
The height of a square-based box is 4 cm more than the side length of its square base. If the volume of the box is 225 cm3. What are its dimensions? So this is what I did: v = l x w x h v = 1x x 1x x (x+4) v = 2x^2 + 8x 225 = 2x^2 + 8x 2x^2 + 8x - 225 = 0 Then I did the ...

Determine a possible linear function f(x) such that x^2-x-2 < f(x)< x^3-x^2-2x has a solution and state the solution.(the < are supposed to have lines under that indicate less than/equal to) I just don't really get what it's asking. So I factored each equation and ...

math
how do you come up with 4x+x+8

math
determine whether the sequence is arithmetic,geometric,both,or neither. 16,8,4,2,... a.arithmetic b.geometric c.neither d.both

Math
Find the variance for the given sample data. Round your answer to one more decimal place than the original data. 7 7 2 5 1

math
12x12x12

Math
Human body temperatures have a mean of 98.20degrees°F and a standard deviation of 0.62degrees°F. ​Sally's temperature can be described by zequals=minus−1.5. What is her​ temperature? Round your answer to the nearest hundredth.

Math
The average travel time to work for a person living and working in​ Kokomo, Indiana is 17 minutes. Suppose the standard deviation of travel time to work is 4.5 minutes and the distribution of travel time is approximately normally distributed. What is the travel time to work ...

math
1: 4/5 = 8/x + 2 x=4 x=9.5 x = 2 x = 8 2. 2/3 = 1.2/x x = 18 x = 1.8 x = 0.2 x = 10 My answers: 1. x = 8 2. x = 0.2

Math Universal Set Help
Suppose U = {1,2,3,4,5,6,7,8}, Is the Universal set, and P = {1,3,5,7}, What is P A) {2,4,6,8} B) {1,2,3,4,5,6,7,8} C) {1,3,5,7} D) {1,3,5,7,8}*** Right??

Math
Please help! I would really appreciate it. I only have the answer to think first question. I don't know if it's correct. |x| + 5 = 18  (1 point) 5 or –5 13 or –13***** 18 or –18 23 or –23 |y + 4| < 1  (1 point) −5  < y < –3 –3 < y < 5 –4 <...

math
Suppose you put \$2000 in a savings account at an APR of 8% compounded quarterly. Fill in the table below. (Calculate the interest and compound it each quarter rather than using the compound interest formula. Round your answers to the nearest cent.) Quarter Interest Earned ...

math
1000000 + 100000000000000

math
1. 1/3 times 7 2. -7/9 times 3/5 3. 1/3 divided by 5/6 4. 2 1/8 divided by 34 5. -3/5 divided by - 3/4 6. -4/5 divided by 8/9 7. 3/5 divided by 9/10 8. 4/7 divided by 9/14 i dont know the answers.

Math
My son is 1/3 my age now.Five years ago,he was 1/4 my age then.How old is my son?

math
philippine airlines transport around 800 passengers a month between manila and bacolod. a round trip ticket is 5,000.00 pesos. the company executives estimate that for each 300 pesos increase in the ticket price, 30 passengers would be lost to the competition. what ticket ...

Math
1/3(12+x)=-8(6-×) What the steps to solving this?