MATHEMATICS MIDDLE SCHOOL

PEASE HELP ME!!!
5
∑x+1
x=1

Answers

Answer 1
Answer: The expanded form of this sigma notation is:
1+1+2+1+3+1+4+1+5+1=20
The answer to your question is 20
Answer 2
Answer: 1+1+1+1++1+1+2+3+4+5=20
The answer to your question is 20

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If you used 3/4 of the blue paint to make flames on one of the cars, and need 7 3/4 pints of blue paint to paint another car, what amount of blue paint do you need to buy?

Answers

3/4 of 7 pints were used. of, in this case, means to multiply. 3/4 x 7= 21/4= 5 and 1/4 pints. Now we subtract 5 and 1/4 (because this is how much was used) from 7. 7- 5 and 1/2 = 1 and 1/2

If you have questions, feel free to ask.

6
in
12 in
What’s the area

Answers

Answer:

72 in^2

Step-by-step explanation:

6 x 12 = 72

Answer:

well if your talking about a square, then the answer would be 72

In a trivia game, each finalist must answer 4 questions correctly. Each question is worth twice as much as the question before it. The fourth question is worth $6,000. How much is the first question worth, in whole dollars?

Answers

The first question is worth 750 marks!!

Which is greater 400 mililiters or 4 liters?

Answers

4 litres equal 4000 ml
400 ml equal 0.4 litres

4l is greater than 400ml
1 milliliter = 0.001 liters

400 milliliters = 0.4 liters

Therefore, 4 liters is greater than 400 milliliters 

Which of the following is a solution to the inequality X > 15 a.16 b.15 c.14 d.0

Answers

A 16 ... x is greater than 15 so it must be 16
its a 16 that's the answer

Is there a relationship between the area and perimeter of a rectangle?

Answers

Don't think so, area has nothing to do with perimeter.
Area you multiply the length and base , but perimeter you multiply length x width x height or also know as LxWxH.  ex. area. Length = 4. height = 2. 4 x 2 = 8. your area is 8. perimeter. length = 4. width = 2 . height = 3. 4x2x3=24. your perimenter is 24.
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Please help me with number 5