# Math

## Recent Questions

**math**

was is 13*13

**Math**

Suppose we are standing on top of a 300-ft tower and we are holding a shiny new penny.We do not hurt it down, for that would be dangerous and wrong! We toss it up at a velocity of 10 feet per second and then when it comes down it just happens to plummet to the ground below At ...

**Math**

A survey about the Student Government program at a school finds the following results: 190 students like the program 135 students think the program is unnecessary 220 students plan on running for student government next year. If a circle graph were made from this data, what ...

**Math**

Jorge's current hourly wage for working at Denti Smiles is $12.00. Jorge was told that at the beginning of next moth, his new hourly wage will be an increase of 6% of his current hourly wage. What will be Jorge's new hourly wage? If someone could explain how to do this, that ...

**Math**

Solve for x. x/4=3/8 A) 2/3 B) 3/2 C) 3/32 D) 7/8 Not good with fractions. Umm...d?

**Math**

Start at 500 create a pattern that subtract 4 from each number stop when you have 5 numbers

**math**

Carmen is planning to invest $2000 in an account earning 3.15% interest, compounded quarterly, for 5 years. He used the following formula and variables to solve for the future value of the account after 5 years. FV = PV(1 + i)^nt FV = Future Value PV = 2000 i = 3.15/4 n = 4 t...

**math**

The sides of a square field are 32 meters. A sprinkler in the center of the field sprays a circular area with a diameter that corresponds to a side of the field. How much of the field is not reached by the sprinkler? Round your answer to the nearest hundredth. Use 3.14 for π.

**Math**

When baking a cake, you have a choice of the following pans: a round cake pan that is 2 inches deep and has a 7 inch diameter a 6 inch × 9 inch rectangular cake pan that is 2 inches deep a. Which of these pans has the larger volume? Justify your answer. b. Excluding the ...

**PLZZ help Math**

7th-grade unit 2 lesson 17 unit test please help connections academy

**Math**

Hello! I know I seem stubid but Im in 4th grade and I still cant multiply ordivide very well so can you guys help me?? I just need like a site to help me I dont want to use a caculator and these story promblems ae tuff for me

**math**

The distance between Spice island and Kay Island is 3.4 inches on a map. If the scale on the map is 1 inch = 25 miles, what is the actual distance between the two islands. Options: A : 28.4 miles B : 75 miles C : 85 miles D : 850 miles. PLEASE help me.

**math Help please**

7th-grade unit 2 lesson 17 unit test please help connections academy

**Math**

Becky used 5 teaspoon mustard to make 32 ounces of potato salad how many teaspoons of mustard does she need to make four pounds?

**math**

the base if a jewlery box is covered with 120 square tile that are 1 cm on each side. if the volume of the box is 600 cm, what is the height of the box plz help

**math**

Which ordered pair is a solution of the equation y=x-4 2,6 6,2 -6,2 -2,6

**math**

Sheets of canvas have been hung over the waiting lines to provide shade. Each canvas sheet is in the shape of a triangle with side lengths of 50 feet, 75 feet, and 75 feet. What is the area of each canvas sheet

**math**

if the product of five tenths and three tenths is subtracted from the sum of two tenths and six tenths what is the difference

**Math**

Part C Two days later, Kelly surveyed the same 13 classmates and found that none of them had been given math homework since she last surveyed them. By how much does the mean of Kelly’s second data set change in comparison with the mean of the data set in her original survey...

**math**

for math test ncca/ equations and inequal

**MATH**

Solve the equation using completing the square method x^2-6x+9 Please I need your solutions

**Math / geometery**

you're given two congruent angles what property can we use to justify the triangle similarity? Answer is AA postulate ??

**Math / geometery**

A science museum has a spherical model of the earth with a diameter of 6.5 m. What is the volume of the model to the nearest cubic meter? Show your work.

**MATH**

Evaluate Un=(-)^n n+1/2

**math**

Steve is participating in a cross county bike race. Every 2 hours he travels between 42 and 54 miles. Four hours ago, Steve had traveled 56 miles from the start of the race. Which is a reasonable measure of Steve's distance from the start of the race now? A. 178 miles B. 154 ...

**Math**

Tell which number is prime: 15, 23, 45, 51.

**math**

the base if a jewlery box is covered with 120 square tiles that are 1 cm on each side. if the volume if the box is 600 cm what is the height of the box? a. 2cm b. 5 cm c. 10 cm d. 480 cm

**math**

use the formula v=lwh to find the volume of a rectangular prism with the following dimensions: • length = 7 in. • width = 4 in. • length = 3 in. a. v = 14 in.3 b. v = 31 in.3 c. v = 49 in.3 d. v = 84 in.3

**math**

Find the magnitude and direction of CD for the given coordinates. Round to the nearest tenth. C(−4, 1), D(−7, 3)

**math please help**

Can the numbers 24, 32, 40 be the lengths of the three sides of a right triangle? Please explain why or why not thank you.

**Math**

A triangle has a perimeter of 48 feet the Exxon’s aid is 5 feet longer than the first side the third side is 3 feet longer than twice the fiat side

**math**

The Green County school system has 2,997 high school students, 3,831 middle school students, and 5,084 elementary school students. How many total students are in the Green County school system? is it 11912 ?

**math**

8251 is 127% of what number? Round to the nearest tenth if necessary is it 6496.9 or 65?

**math**

It is 76 miles from Waterton to Middleton. It is 87 miles from Middleton to Oak Hill. Driving directly, it is 134 miles from Waterton to Oak Hill. It is 39 miles from Oak Hill to Jackson. If Juan drives from Waterton to Middleton, then from Middleton to Oak Hill, and finally ...

**math**

A bag contains 8 red marbles, 5 blue marbles, 8 yellow marbles, and 6 green marbles. What is the probability of choosing a red marble if a single choice is made from the bag? is it 8/27 ?

**math**

The growth rate of a population of rabbits in a forest preserve is modeled by the logistic equation dp/dt =0.005p(300-0) . What is the rate of change in the rabbit population when it is growing the fastest?

**Math**

If y5 + 3x2y2 + 5x4 = 49 , then dy/dx at the point (â€“1, 2) is: â€“1 11/23 â€“23/11 â€“10/3 0

**Math**

How can I evaluate the integral of xln(x)dx by using integration by parts

**Math**

Given that g is the inverse function of f, and f (3) = 4 , and f ′(3) =5 , then g′(4) = -1/5 -3/5 3/5

**Math**

Use a left endpoint Riemann sum approximation with four subintervals to evaluate integral from 0 to 8 of g(x)dx These points were given: (0,-1) (1,-1.5) (2,-2.5) (3,-3) (4,-1.5) (6,-0.5) (7,-1) (8,-1.25

**Math**

If dy/dx=(1+x)/(xy) ,x > 0, and y =âˆ’ 4 when x =1, when x =3, y =? 6.433, -6.233 3.898, -3.898 4.711, -4.711 4.711 only 3.898 only

**math**

What is the acceleration of the particle the first time its velocity equals zero? s(t)= -4sin(t) - (t/2) +10 What is the acceleration of the particle the first time its velocity equals zero? −5.197 0.745 1.323 2.550 3.969 Could somebody write out the steps and explain this ...

**Math**

I'm on connexus and need help here are the questions 1.is the dashed line a line of symmetry? A.Yes I chose a B.No 2.is the dashed line a line of symmetry? A.Yes B.No I chose b 3.how many lines of symmetry does the figure have? A.0 i chose a B.1 C.2 4.how many lines of ...

**Math**

What is the height of an equilateral triangle with a side length of 6

**Math**

Find the equation of the line tangent to the path of a particle traveling in the xy-plane with position vector r(t)=<t^3 +2t, t^2> at the point (3, 1).

**Math**

Alex's score for a game is given by the expression 9-8.2-(-1.9). Beth's score for the game is -8-(-5.4)-1.8. Whose score was higher?

**math**

graph the image of each figure under a translation by the given vector. pentagon DEFGH with vertices D(0, 5), E(0, 7), F(−2, 6), G(−3, 4), H(−2, 3); g = < 4, − 2 > I understand how to graph it, but I don't understand the purpose of (g = < 4, − 2 >) or ...

**Math**

The region enclosed by the curve y = ex, the x-axis, and the lines x = 0 and x = 1 is revolved about the x-axis. Find the volume of the resulting solid formed. How do you do this?

**math**

Use scalar multiplication to find the coordinates of the vertices of each figure for a dilation centered at the origin with the given scale factor. Parallelogram JKLM with J(−4, 3), K(−4, 7), L(2, 7), M(2, 3); r = 5 Thank you!

**Math**

If y^5 + 3(x^2)(y^2) + 5x^4 = 49 , then dy/dx at the point (–1, 2) is? I have no clue how to start this problem, could someone explain it to me?

**math**

When comparing prices for activities at a local recreation center, you notice that the center charges different prices on different days of the week. For example, riding a go-kart costs $10 on Saturday and Sunday and $5 on Monday through Friday. Is the cost a function of the ...

**Math**

When baking a cake, you have a choice of the following pans: a round cake pan that is 2 inches deep and has a 7 inch diameter a 6 inch × 9 inch rectangular cake pan that is 2 inches deep a. Which of these pans has the larger volume? Justify your answer. b. Excluding the ...

**math**

64 + B^2 = 484 what is the answer for B

**math**

I have supplementary angles where the measure of one angle is ¼ the measure of the other. What is the measure of the larger angle? What is the measure of the smaller angle?

**Math**

The following table shows a proportional relationship between w and z. w=18 and z=2. Write an equation to describe the relationship between w and z.

**Math**

"Two numbers have a sum of 15 and a difference of 7. What are the two numbers?" A word problem using system of equations and I'm pretty lost an help?

**math**

How is adding and subtracting mixed numbers similar to adding and subtracting fractions? How is adding and subtracting mixed numbers different than adding and subtracting fractions? Give examples to explain your answer.

**math**

Prove in Fraction if a>b>0, c<0

**math**

the radius of a circular cricket field is 60 m. M and N are the ends of a diameter of the field. To walk from M to N, about how much further is it to walk around the boundary than straight across the field?

**math**

in the diagram below, WZ is the diameter of the semicircle. X is the midpoint of the line WZ. UVWY is a parallelogram. Find the value of UYZ

**math**

Galaxy has 4d stamps. Darcie has 3 times as many stamps as Galaxy. Ellie has 16 stamps. How many stamps do Darcie and Ellie have?

**Math**

An athletic trainer for Newcastle United in England keeps track of the amount of water players drink during preseason training. The trainer observed that the amount of water consumed is a linear function of the temperature in a a given day. The trainer find that when it is 53 ...

**Math**

In a class of 20 students, the average (arithmetic mean) score on a test is 84 points. If 6 students each scored 100 points and 4 students each scored 50 points, what is the average of the scores of the remaining students?

**math**

If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?

**math**

There are 4 store fronts on the ground floor of a shopping center. One of four stores will go in each store front – a pharmacy, grocery, barber shop, and coffee shop. How many different possibilities are there for arranging the shops in the storefronts?

**Math**

Find the measure of two complementary angles if the measure of one angle is 30˚ greater than the measure of the other. What is the measure of the larger angle? What is the measure of the smaller angle?

**Math**

I have supplementary angles where the measure of one angle is ¼ the measure of the other. What is the measure of the larger angle? What is the measure of the smaller angle?

**Math**

What is the equation for 1/2 as many men as women. Let m equal men and w equal women. ^i got m=1/2w

**Math**

Find the measure of two complementary angles if the measure of one angle is 30˚ greater than the measure of the other. What is the measure of the larger angle?

**math**

The position vectors A and B with respect to the origin O, are (-8,5)and (12,-5)respectively. Point M is the midpoint of AB and N is the midpoint of OA. a) Find: i) The coordinates of N and M; Point N = OA N = (0 + -8)/2, (0 +5)/2 = (-4, 2.5) Point M = AB M = (-8+12)/2, (5+ (-...

**math**

jorge ran 1/4 miles on monday . on tuesday he ran 3/4 miles less. how far did he run on tuesday?

**math**

Ruth needs 3 1/4 yards of fabric to make a small quilt. She has 1 7/8 yards in her fabric box. how much more fabric does she need to buy?

**math**

jessie and jeff are planting seeds. Jessie said she planted 3/8 of the seeds and jeff planted 2/3 of the seeds.Is this possible? explain why or why not?

**Math**

The question asked whether or not f(x) = 0.5e^x when x is less than or equal to zero and f(x) = 0.5e^(-x) when x is greater than or equal to zero is a valid probability density. I know that it is the integral... but usually you have a domain that is not a single point. Should ...

**math**

which word or words correctly complete the sentence? a ________ has five faces, five vertices, and eight edges. a. triangular pyramid b. cube c. pentagonal pyramid d. rectangular pyramid

**math**

In a class of 20 students, the average (arithmetic mean) score on a test is 84 points. If 6 students each scored 100 points and 4 students each scored 50 points, what is the average of the scores of the remaining students?

**math**

A team of scientists found that there were 4 oak trees for every 10 pine trees. How many oak trees were there if they counted 36 more pine than oak?

**math**

Identify all the sets to which the number 0.41567 belongs

**Math**

John have $24. He spent 1/4 of his money on jeans and 2/5 of the remaining on a cap. How much money did John spent

**math**

Simplify logx(x/4)+3logx(2/5)-log21(2/25)

**Math**

In the exercise we want to use a substitution to integrate integral xsqrt(x+1)dx. Find the substitution u to transform the integral into integral(u-1)u^(1/2)du. u=?

**Math**

How many times in a 12 hour period does the sum of the digits on a digital clock equal 6? (For example. 1:32 = 1+3+2 = 6

**Math**

A rectangular piece of paper has length 14 cm and breadth 12 centimetre a square piece of paper of perimeter 24 cm is cut off from it find the area of the piece of paper left

**Math**

1) If a^b =x and x^b=y then A)a^2b =y B)a^b^2 =y C)b^a=y D)(ax)^b=y E)(ax)^b=x I got B? 2) If a and b are the coordinates of two points on the number line, then which of the following is equivalent to the statement that the absolute value of the distance from a to b is greater...

**math**

Find the point(s) of intersection between the circle x^2 + y^2 = 50 and the linear equation y = 2x − 5.

**math**

petrol price rose from x cents/ liter to y cents/liter. Before the rise, it costs $a t fill my car with petrol. What is the new cost to fill it?

**Math**

the stopping distance of an automobile is directly proportional to the square of its speed v. a car required 90 feet to stop when its speed was 70 miles per hour. find a mathematical model that gives the stopping distance d in terms of its speed v. D= Estimate the stopping ...

**math**

can someone help me with lesson 5 unit 3 math “finding the area of composite figures” practice?

**Math**

A tree house is being constructed with support beams that create right triangles. If the legs of the triangle created measure 2.5 ft and 3 ft, what are the angle measures of the non-right angles? 39.8 and 50.2 ***** 68.5 and 21.5 87.6 and 2.4 56.4 and 33.6

**Math**

Mario’s Pizzeria bakes olive pieces in the outer crust of its 20-inch (diameter) pizza. There is at least one olive piece per inch of crust. How many olive pieces will you get in one slice of pizza? Assume the pizza is cut into eight slices.

**math**

Laurie buys milk and bread for his family on the way home from school each day, paying with a $10 note. If he buys three cartons of milk and two loaves of bread, he receives 5 cents in change. If he buys two cartons of milk and one loaf of bread, he receives $4.15 in change. ...

**Math**

Trina works after school and on weekends. she always works three days each week. this week she worked 2 3/4 hours on monday, 3 3/5 hours on friday and 5 1/2 hours on saturday. next week she plans to work the same number of hours as this week, but will work for the same number ...

**Math**

When baking a cake, you have a choice of the following pans: a round cake pan that is 2 inches deep and has a 7 inch diameter a 6 inch × 9 inch rectangular cake pan that is 2 inches deep a. Which of these pans has the larger volume? Justify your answer. b. Excluding the ...

**math**

1. Find the area of a parallelogram with base b and height h. b = 87 cm h = 18.6 cm (1 point) 105.6 cm2 211.2 cm2 809.1 cm2 1,618.2 cm2 2. Find the area of the triangle. A triangle has a base of 21 yards and a perpendicular height of 8.2 yards. (1 point) 33.62 yd2 86.1 yd2 344...

**@Poster in Kansas**

I've removed your math test. If you want to post no more than 3 questions and your answers, please do so. Asking for over 20 answers is cheating.

**MATH HELP ASAP**

Order the numbers 0.64, 2/3, 65%, and 7/10 from least to greatest.

**math**

Which number has the greatest absolute value? a. -3 b. -8 c. 2 d. 5

**Math**

Every member of a high school class of 150 students was polled to see whom they would vote for in the election for student body president. The poll results are shown below. Candidate 1 46% Candidate 2 30% Undecided 24% If half of the undecided voters vote for Candidate 1 and ...

**Math**

3. which equation can be used to find the measure of an angle that is supplementary to EGB ? A.m<EGB+m<AGD= 180 degrees B.m<EGB+m<AGD= 180 degrees C.m<EGB+m<BGF= 180 degrees D. m<EGB+m<BGF= 180 degrees Help? I don't understand it. Please dont give ...

**Math**

A survey given to a random sample of 250 students at a small University asks which facility they use most often. The results are shown in the table above. If the results of the sample are projected to the entire student population 1,000 students, which of the following is the...