MATHEMATICS MIDDLE SCHOOL

Write the place name for the 4 in each number.
3,470,981
7,164
165,829,345

Answers

Answer 1

Answer:

The second is ones.

The third is tens.

I don’t know the first one 100% so I don’t want to guess and have you get it wrong!! But pls mark me love(:

Answer 2

Answer:

1. Hundred thousands

2. Ones

3. Tens

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Collins Middle School has 280 sixth grade students. If the sixth grade is 35% of the total school, how many students are in the middle school?A.
800
B.
98
C.
245
D.
315

Answers

Answer:

A- 800

Step-by-step explanation:

1- set up a proportion

2- 35 over 10

3- 280 over x

4- 280 x 100= 28000

5- 28000/35=800

This season, Ramon played 14 soccer games. Sofia played 12 soccer games. Whichnumber sentence can be used to find the total number of soccer games that Ramon
and Sofia played?

Answers

12+14=26 becuase is just simple adding

A bag contains 2 white marbles and 7 purple marbles. Two marbles are drawn at random. One marble is drawn and not replaced, then a second marble is drawnA. What is the probability of selecting a purple marble and then a white marble?
B. What is the probability of selecting 2 white marbles?
C. Is there a greater chance of selecting 2 white marbles in a row or 2 purple marbles in a row? Show your work!

Hallie is trying to win the grand prize on a game show. Should she try her luck by spinning a wheel with 6 equal sections labeled from 1 to 6 and hope she gets a 5, or should she roll two number cubes and hope she gets the same number on both cubes. Show your work?

Answers

A. likely

B. unlikely

C. There is a greater chance in picking to purple marbles because there are less of the white and more purple.

Hallie should spin the wheel because u have a greater chance of landing on a 5 then rolling two number cubes and hoping both number cubes come to equal 5.

two white marbles: probability first is white is \frac{2}{9} probability second is white given that the first is white is \frac{1}{8} again probability both happen is \frac{2}{9}\times \frac{1}{8}

Hope this helps.

Sean has a piece of string 7/8 meter long. He uses 1/5 of the piece of string to tie a package and cuts the rest into 5 equal pieces. What is the length of each piece

Answers

Answer:

7/50 meter.

Step-by-step explanation:

He has 7/8 meter. 1/5 of the piece of string is

$(7)/(8)(1)/(5) = (7)/(40)$ .

Then, he uses 7/40 meter to tie a package. The rest of string will be

$(7)/(8)-(7)/(40) = (7)/(10)$ .

Then, the rest of string after he uses 1/5 is 7/10. Finally, he cuts the rest into 5 equal pieces, that is

$(7)/(10)(1)/(5) = (7)/(50)$ .

Then, the lenght of each piece is 7/50 meter.

First we have to find how much string we are going to cut into 5 pieces. We do this by taking 1/5 of 7/8 meter.

1/5 × 7/8 = 7/40

Now we have to subtract this from the original amount...

7/8 - 7/40 =
35/40 - 7/40 =
28/40 = 14/20 = 7/10

Now we divide this remaining string by 5 to find the length of the individual pieces...

7/10 ÷ 5 =
7/10 × 1/5 =

7/50 meter

A writing workshop enrolls novelists and poets in a ratio of 5 to 3. There are 24 people at the workshop. How many novelists are there? How many poets are there?

Answers

There are 15 novelists and 9 poets. This is a ratio of 5 to 3 and adds up to 24 people

Choose the answer. 1. (1 pt) A rectangular playground measures 75 feet by 40 feet. What is the area of the playground? A. 115 feet B. 115 square feet C. 3,000 feet D. 3,000 square feet