# Math

## Recent Questions

**Math**

the largest doll is 7 inches tall. each of the other dolls is 1 inch shorter than the next larger doll. make a table that compares the surface areas and the volumes of the seven dolls.

**Math**

the volume of a 1968 ford mustang gt engine is 390 cubic inches. which scale model of the mustang has the greater engine volume, a 1:18 scale model or a 1:24 scale model? how much greater is it?

**Math**

How can you read numbers that are written in scientific notation? Why is scientific notation important?

**Math**

I have a 3 part question that I have the answers for but I am still having issues understanding it. Looking for help with the explanation / steps on how you would get the answer. Question 1) The width of a rectangular field is 3h yards and it's length is 3 yards longer than ...

**Math**

Before 5 years a man was 3 years times his boy but after 10 years the father's age will be 6 more than 2 times his boy

**math**

write the fraction or mixed number as a percent 23/40

**Math**

I have to use the Distributive Property to rewrite (5×600)+(5×400) Can you help me? - December 6,2017 Angie Godoy

**Math(Connexus 6th)Unit 6**

A room has 2 sections as shown in the picture below. Which expression uses the Distributive Property to find the total area of the room? (A rectangle is divided into two smaller rectangles by a vertical line. The vertical height of the rectangles is 14. To the left, the larger...

**Math(Connexus 6th)Unit 6**

One serving of turkey has 142 calories, which is 58 calories less than one serving of pork. Which equation could be used to determine x, the number of calories in one serving of pork? A.x – 58 = 142 x = 200 B.x + 58 = 142 x = 84 C.x – 58 = 84 x = 142 D.x + 58 = 84 x = 26

**Math!**

A point is reflected over the x-axis and then reflected over the y-axis. Will the coordinates after these two reflections be the same or different if the point is first reflected over the y-axis and then over the x-axis? Use an example to support your answer. Please help me!

**Math (Connexus 6th)Unit 6**

Identify an equation that models the situation and find its solution. Kane planned to build a 53-centimeter-tall model of a building. He later decided to increase the model's height to 159 centimeters. What was the increase of the model’s height in centimeters? A.x – 53 = ...

**Math(Connexus 6th)Unit 6**

During a canned food drive, Bob collected 6 times as many cans as Tom. If t represents the number of cans that Tom collected, which algebraic expression represents the number of cans that Bob collected? A.6t B.7t C.6 + t D.7 + t

**Math(Connexus 6th)Unit 6**

Write an algebraic expression for the word phrase. 10 times the product of g and h A.10(g + h) B.10(g – h) C.10 (g ÷ h) D.10gh

**Math!**

Change both measurements to the same unit of measure and find the scale factor. 1) 1ft model of a 1in. fossil 2) 20cm model of a 28m rocket 3) 2ft model of a 30yd sports field 4) 3ft model of a 5yd whale

**math**

What is the distance between (4,4) and (-4,-4) on a coordinate plane?

**Math**

Mr. Edward is going shopping for new pants and shirts, The sales tax where he lives is 6.25% He gets a $2 0ff coupons for every $20 he spends at the mall. How much would Mr.Edward need to spend to get $12 off in coupons?

**Math(Connexus 6th) Unit 6**

A mail-order supplier of small electrical parts charges a shipping fee of $8, plus $5 for each push-button light switch ordered. If x is the number of push-button switches ordered, then the expression for the total cost of an order is 5x + 8. Which table shows the total cost ...

**Math(connexusn 6th grade) Unit 6**

The Jones family traveled 314 miles each day until they reached their destination, which is 1,256 miles away from their starting point. How many days did they drive until they arrived at their destination? A)314x = 628; x = 2 B)314x = 972; x = 3 C)314x = 1256; x = 4(My answer...

**Math**

Your older sister drove 500 miles to college one way in ten hrs what was her average velocity

**Math Algebra**

Give an orthogonal vector to the plane: 7x - 5y + 8z = 9

**Math**

A school wants to build a fence to enclose a rectangular 4-sided playground of 144m^2. What is the min cost for a fence if it costs $5.70 per meter of fencing? 2. The principal checks the budget an sees that only $228 is available for the purchase of fencing. What s the ...

**math**

Tamika’s dad bought a Mustang convertible for 12,000 dollars to celebrate his first job in 1978, which paid him 15,000 dollars a year. If Tamika is to use the same fraction of her salary as her dad to buy a Mustang convertible, which now sells for 32,000 dollars, what will ...

**Math**

Before 5 years a man was 3 years timeshis boy but after 10 years the father's ge will be 6 more than 2 times his boy Didn't get the question

**Math**

point S is at the top of a hill. From a point X on the ground, the angle of elevation is 22 degrees and 14 mins . From a point Y on the same horizontal line with X and the foot of the mountain, the angle of elevation of S is 12 degrees and 20 mins . what is the height of the ...

**math**

The cost of providing a plate of lunch to a certain group of people is partly constant and partly inversely proportional to the number of people. If it costs #30 per plate to feed 40 people,find the cost per plate to feed 50 people.

**math**

a land developer is dividing 20 acres of land into 2/5 of an acre lot. if each lot is $15,000 what is the total value of the 20 acres.

**Math**

24 1/10 - 5 9/11 = ?

**Math**

K/6>4

**Math**

Find the unit rate for a sponge cake that weighs 25 ounces and has 2750 calories. A. 0.009 calories per ounce B. 110 calories per ounce** C. 68,750 calories per ounce D. 115 calories per ounce

**Math**

1. -6w<84 A.w>14 B.w<-14 C.w>-14 D.w<14 2.5m>45 A.m>9 B.m<9 C.m>-9 D.m<-9

**math**

If Nell works 3/4 of an hour on Monday and 6/10 of an hour on Tuesday, how much time will she work altogether? 1 7/20

**Math**

The exterior angle at C if a triangle is ABC IS =120 degree find the measure of all the angles of a triangle if angle A= angle B

**Math**

Loretta Scholten buys nine bonds of Leo Co. 7 ¼ 16 at 103.375. The commission is $3.00 per bond. The current yield to the nearest tenth of a percent is: 7.0% 7.1% 7.2% 7.3% None of these

**algebra math, 8th grade**

At a halftime show, a marching band marched in formation. The lead drummer started at a point with coordinates (-2 -5) and moved up 3 steps and 1 step right. I need to write a rule to describe the translation, and I also need to find the coordinates of the drummer's final ...

**Math**

How much longer is 5/8 inch is 7/8 inch. A. 1 1/2 inch B. 1/4 inch *** C. 1 3/8 inch D. 1 1/8 inch

**math**

Testing Laboratory Gloves The New York Times ran an article about a study in which Professor Denise Korniewicz and other Johns Hopkins researchers subjected laboratory gloves to stress. Among 240 vinyl gloves, 63% leaked viruses. Among 240 latex gloves, 7% leaked viruses. At ...

**math**

give diameter of the atomic nucleus of lead atom is 1.75x10m

**Math**

Bill cut a piece of cloth into 2 pieces. The length of the shorter piece is 5/9 of the longer piece. A find the ratio of the length of the longer piece to the length of the shorter piece to the total length. B if the longer piece is 148.6cm longer than the shorter piece.. Find...

**Math**

Please help me with the following. Write a word phrase to represent the numerical expression below. 5 + ( 17 - 8 )

**math**

of the students in Rosalie's dance class, 29 out of 59 have participated in dance class before

**Math - Vectors**

Relative to an origin O, the position vectors of points A and B are given by OA = 3pi + 4j + p^2k, and OB = -pi + -1j + p^2k Find the values of p for which angle AOB is 90° So here's my work so far: If angle = 90° then OA.OB = 0 OA.OB = p^4 - 3p^2 - 4 p^4 - 3p^2 - 4 = 0 Let ...

**math 10**

a British researcher developed a formula to determine walking or running speed based on hip height and stride length. The formula is s= 0.78l ^1.67/ h^1.17 where s is speed in meters per second l is stride length in meters, and hi is the individual hip height, in meters. ...

**Math**

Please help and show steps i am very confused... Determine a+b+c 25/84=1/a+1/ab+1/abc

**math**

find the general term of the arithmetic sequence 3,-1 ,-5 ,-9

**Math check answers please**

Sorry to bug again but can someone check my answers please thank you. 1. Simplify the expression 3w-10w A. 13w B. -7w C. -7 D. 7w 2. Y+2y+3z A. 2y+3z B. 3y+3z C. 2y^2+3z D. 6yz 3. 6r+r-5r A. 2r B. 1r+r C. 0r D. 7r-5r 4. 5x+2(x+6) A. 7x+6 B. 7x^2+12 C. 7x+12 D. 7x (x+6) 5. -3m+...

**math**

50 is what percent of 13? Thanks

**Math**

If there are fifteen 1/4 cup servings of ice cream in a container, how many cups does the container hold?

**Math check my answers please**

1. x/5=-2 A. -45 B. 35 C. -10 D. 21 2. 13x - 7= 136 A. 11 B. 15 C. 8 D. 9 Solve the following equation 3. 3x - 3=15 A. 4 B. 5 C. 6 D. 7 4. Ernesto loses 14.5 pounds in 7 months. Now he weighs 156.5 pounds. Which equation can be used to find how much he weighed before? A. x+14....

**math HELP PLEASE**

Ravi is putting up a fence in his backyard. He builds 3 units the first day, 7 units the second day and 11 units the third day. If he continues this pattern, how many days will it take him to finish the 55 unit fence?

**Math**

Whom should you see at the bank if you need to borrow money

**math**

Cal Q. Later measured his pulse and found that his heart beat at a rate of 80 beats a minute at rest. At this rate, how many days will it takes his heart to beat 1,000,000 times? (a fraction of a day is permitted)

**math**

50 is what percent of 13?

**Math**

Term # Term Value 1 6 2 11 3 16 4 21 5 26 6 31 7 36 8 41 Write a pattern rule that tells us how the value of each term can be calculated from the term number.

**Math**

If you are dealt 2 cards from a standard deck of 52 cards what is the probability that they will both be aces? Give answers as decimal to 5 decimal places not percent.

**math**

The mean score on a test was 280 and the standard deviation was 20. You want to pick the top 15%. What will be the minimum cutoff score to be in the top 15%?

**Math**

You survey 1000 new home buyers and find that the mean price was $185,000 and the standard deviation was $20,000. How many paid more than $210,000?

**math**

10-2[10-3(2+1)] --------------- 12/3(2)

**Math Help**

Look at the following pattern: 5, 8, 11, 14 ... Find the general term

**math HELP PLEASE**

Describe each pattern with the general term: a. 2, 4, 6, 8 ... b. 4, 7, 10, 13 ... c. 1, 4, 9, 16 ...

**Math**

There are 24 students in a science class. Mr. Sato will give each pair of students 3 magenta. So far, Mr. Sato has given 9 pairs of students their 3 magnets. How many more magnets does Mr. Sato need so that each pair of students has exactly 3 magnets? Write down an expression.

**MATH**

In a survey, one out of three people named blue as their favorite color. Two out of seven named red. If 1,092 people were included in the survey, how many named neither blue nor red as their favorite color? A. 416 people B. 432 people C. 540 people D. 512 people

**Math**

How do you write ln(n) in log form? I know that you can convert log of some base by doing ln of the variable over ln of the base, but I don't know how to do the opposite.

**Math**

kory is standing near a building that has a shadow that is 14 feet long. Kris is 5.5 feet tall, and the length of her shadow is 3.5 feet. set up and solve a proportion to determine the height of the building.

**Math**

n a survey, one out of three people named blue as their favorite color. Two out of seven named red. If 1,092 people were included in the survey how many named neither blue nor red as their favorite color? 416 432 540 512 2. The triangles below are similar find the value of X ...

**Math check my answer**

77 is what percent of 192? A. x/100= 77/192;4.01% B. x/100=77/192; 40.1% C. x/77= 100/192; 77.3% D. x/100= 192/77; 249.4% My answer is B. Please help and check my answer if I am wrong please correct me thank you.

**math**

Write 523,582,900,000 in scientific form Is it 5.235829 x 10^-11? Thank you.

**Math**

CHECK AND CORRECT MY ANSWERS PLEASE!! ASAP!! THANKS!!xx Write the fraction 5/6 as a percent. Round to the nearest hundredth of a percent where necessary. 33.33% 66.67% 83.33%** 1.20% Write the decimal 0.237 as a percent. 0.237% 2.37% 23.7%** 237% Ashley used 2/5 of her savings...

**Math**

Determine which ratio forms a proportion with 9/5 by finding a common multiplier? 54/30 45/50 45/40 90/20 Determine which ratio forms a proportion with 12/7 by using cross products? 60/35 24/10 36/14 18/14 Which ratio can from a proportion 20/25,14/21 10/23,18/7 5/45,4/36 5/4,4/5

**math HELP PLEASE**

Given the pattern rule, write the first 5 terms for each sequence: a. Start with 0, add 5 b. Start with 2, multiply by 6 c. Start with 100, divide by 2 and add 10 d. Start with 1, multiply by 3, subtract 1

**math**

42000 - R1 + 6R1 = 0.0042 * 7000 R1 - 0.0041 R1^2 ? what is R1

**math**

What is the surface area of the given figure. A.) 1,008 cm B.) 1,728 cm C.) 1,392 cm D.) 1,216 cm

**math**

Use inductive reasoning to find the next equation in the pattern. 8 - 5 + 3 = 2 x 3 13 - 8 + 5 = 2 x 5 21 - 13 + 8 = 2 x 8

**Math**

Lesson 14 equations and inequalities unit test unit 4 7th grade please help

**math**

which solid does the net form? hexagonal prism hexagonal pyramid rectangular prism rectangular pyramid

**Math**

There were 400 seats in a concert hall. 360 seats were occupied . What percentage of the seats were not occupied ?

**Math**

Population density is the number of people per unit of area. What is the population density of a state that has 626,011 people in 9,620 square miles? Round to the nearest whole number. 650 65 This one? 651 6,507

**math**

sara needs to cover the top and sides of the cylinder below About how many square inches of paper will Sara need? 528 in. 415 in. 207 in. 179 in.

**Math**

Lesson 14 equal equations and inequalities unit test math 7 unit 4 (unit Test) Please help I know a bit but not alot Answers or help? thank you

**math**

Manoj deposited a sum of 64000 in a post office for 3yrs,compound annually at 7 1/2per annum.what amount will he get on maturity?

**math**

veena purchased 5 dozen mangoes at a rate of 10.50 for each mango and sold all the mangoes for rs850.50.what is her profit % ?

**Math**

Sam is going to cook a turkeys for 14 people and he wants to allow 3/4lb of Turkey for each person. 1lb=450g. Small 2kg-3.9kg.medium 4kg-5.4 kg.larg 5.5kg-7.2kg.extra large 7.3kg-9.2kg.but small/medium £5.99perkg. Large/extra large £4.99perkg.now how much will the Turkey for...

**Math**

The measures of the twoa angles in a linear pair are in the ratio 1:3. What is the measure of the larger angle?

**Math**

The measures of the twoa angles in a linear pair are in the ratio 1:3. What is the measure of the lager angle?

**math**

a music store sells 28 mp3 players and 39 red mp3 players. each mp3 player costs $67. what is a reasonable estimate for the total cost of the mp3 players?

**math/science**

a car starts from rest and move at a speed of 30 kph after half an hour.what is the car's acceleration

**MATH!!!**

I tried to multiply the equation by a then b then c... I don't know please help by showing the steps I am very lost Determine a+b+c 25/84=1/a+1/an+1/abc

**math**

Solve using factorization method: x2+7x+10=0

**Math**

Find f. f ''(x) = 20x3 + 12x2 + 10, f(0) = 9, f(1) = 12

**Surface area - math**

A cylindrical water tank is located on level ground. The tank has a height of 49 feet and a diameter of 42 feet. If one gallon of paint covers 350 square feet, how many gallons of paint are required to paint the water tank? i tried: 2π⋅21⋅49 + 2π21^2 and then ...

**math**

y/9=44/54

**Math**

Write 3 16/25 as a percent. A)3.64% B)3.80% C)364% D)380% I think A. Can you check? THANKS

**math**

What is the area of a quadrilateral with vertices at (1, 1), (4, 1), (7, 5) and (4, 5)?

**math**

Tamika’s dad bought a Mustang convertible for 12,000 dollars to celebrate his first job in 1978, which paid him 15,000 dollars a year. If Tamika is to use the same fraction of her salary as her dad to buy a Mustang convertible, which now sells for 32,000 dollars, what will ...

**math**

52 inches is what percent of 20 feet?

**math**

William is traveling at a rate of 75 miles per hour. How fast is William traveling in feet per second?

**Math**

the highest test score scott can receive is a 100.The sum of his first four test scores is atleast 360.Find the range of scores scott must get on his fifth test to have an average greaterthan 70?

**Math**

T 1971 1982 1992. 2003 P. 4. 5. 6. 7 Find slope of each line segment connecting consecutive data points from the table M1= M2= M3= Does the polynomial 0.09t-175 give a good estimate for the world population in year t?

**math**

The median of a set of 8 consecutive even integers is 61. What is the largest integer in the set?

**Math**

Jean is seven years older than her brother Bob if he is three years older than their sister Mary. If the sum of their ages is 40 Siri how old is each you must set up an equation, solve and explain each step

**math**

If you buy a pair of shoes on sale for $48. The price is discounted 25% and the sales tax is 7%. Which of the follwoing statements would be true? Answer choices 1. The final price would be lower if you add the 7% sales tax first and take the 25% discount second. 2. It doesn't ...