MATHEMATICS MIDDLE SCHOOL

The fraction 3/10 is the difference of 8/10 and which fraction

Answers

Answer 1

Answer:

½ or 11/10

Step-by-step explanation:

3/10 = 8/10 - X

X = 8/10 - 3/10 = 5/10 = 1/2

Or,

X - 8/10 = 3/10

X = 11/10

Answer 2

Answer:

Answer:

5/10

Step-by-step explanation:

8/10 -5/10 =3/10

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Please help me When buying a new car, you have a choice of 4 different models, 3 different colors, and either compact or family size. How many choices are there for one car?
5
12
16
24

17. There are 20 entries in the chess tournament. How many ways can they finish in first, second, and third place? 340
6,840
7,220
8,350

Answers

$1)\n4\ different\ models,\ 3\ different\ colors\ and\ 2\ sizes\n\n4\cdot3\cdot2=24\ (choices)\n\n17.\n20\ entries\ in\ the\ chess\ tournam.\n\n20-the\ number\ of\ ways\ to\ select\ 1.\ places\n19-the\ number\ of\ ways\ to\ select\ 2.\ places\n18-the\ number\ of\ ways\ to\ select\ 3.\ places\n\n\ the\ number\ of\ ways\ to\ select\ the\ top\ three=20\cdot19\cdot18=6,840$

How do you solve. 8-2(5x-3)

Answers

The answer is -10x+14

First you distribute the -2 into the 5x-3 to get -10x+6. Then you add the 6 and 8 to get 14 then add then on both sides of the equation to get 10x=14 then divide each by 10 to get x=1.4. Hope this helps you solve questions like this one.

Your doctor prescribes you to take 400 milligrams of medicine every 8 hours. How many ounces of medicine do you take in a day?

Answers

1,200 milligrams...thats the answer

Answer:

.042 ounces

Step-by-step explanation:

First, calculate how many mg you take in a day. 24/8=3, and 3*400=1200, so assuming you don't miss any, you would take 1200 milligrams in a day. You can change this to 1.2 grams. The conversion rate from grams to ounces is about .035, so you would get 1.2*.035. That makes .07*.6, which is 42 with 3 decimal points to the left. That's about .042 ounces.

What is 3 ft. Times 6 1/2 in. Times 6 1/2 in.?

Answers

1 ft = 12 inches

3 ft = 36 inches

      (3 ft) x (6.5 inches)

   = (36 inches) (6.5 inches)

   = 234 square inches

colby wants to set sqaure tiles on the top of a box the top of the box is a rectangle 71/2 inches long and 51/2 inches wide how many 1/2 inch tiles would he need to cover the top

Answers

Colby would need 69j1/2 inch tiles to cover the top of the box

A MILKMAN SOLD TWO OF HIS BUFFALOES FOR RS.20,000. EACH ON ONE HE MADE A GAIN OF 5% AND ON THE OTHER A LOSS OF 10%. FIND HIS OVERALL GAIN OR LOSS.

Answers

Selling price of 1st buffalo +Selling price of 2nd buffalo=20000
profit for 1st buffalo=0.05 of cost price of 1st buffalo
loss for 2nd buffalo=0.1 of cost price of 2nd buffalo
1.05(cost price of 1st buffalo)+(0.9)cost price of 2nd buffalo=20000
the buffalo must cost must be same = x (say)
1.05x+0.9x=20000
1.95x=20000
x=10256.41
2x=20512.82
profit=20512.82-20000=512.82
profit %=2.56410 %

Other Questions

Part 1: Create your own real world Pythagorean theorem problem. Write an equation you could use to find the length of the missing side of your right triangle. Then find the missing length. Show all your work. Round to the nearest tenth if necessary.And write a summary sentencePart 2: Draw a visual to represent your real world problem

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