MATHEMATICS MIDDLE SCHOOL

If x = 11 and y = 7, what is the value of the following expression?
x - 8 + 4y

Answers

Answer 1
Answer: I think it is 31 I might be wrong but I tried :)
Answer 2
Answer: If you change the x with the 11 and the y with 7, you subtract the 8 from 11, than add 4 times 7. And you get 31

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Write
0.28
as a fraction in simplest form.

Answers

7/25

First thing you want to do is put it over 100

28/100

Now divide by 4

28÷4=7

100÷4=25
28/100=14/50=7/25 the last fraction is the correct answer

2xy+xy-3x+x what is that

Answers

You need to combine like terms. So you would :
1)2xy+xy=3xy
2)-3x+x=-2x
3)3xy-2x This is your answer.

Answer:

3xy-2x

Step-by-step explanation:

2xy+xy-3x+x

If not in parenthesis, then cross out the numbers with the same variables and put them together.

2xy+xy-3x+x

Solve:

3xy-2x

Write 0.75 as a fraction in simplest form.

Answers

Answer:

3/4

Step-by-step explanation:

0.75 = 75/100

75/100 in it's reduced form is 3/4
Your answer will be 3/5

Round the following numbers to 2 decimal places 0.273
1.595
6.473
2.571
0.425
44.5564
82.3643
325.1741

Answers

Before I give you the answers, there is a simple rule to observe when rounding a number to two decimal places. If the number in the third decimal place is less than five, then the number in the second decimal place stays the same. If the number in the third decimal place is five or greater than five, the number in the second decimal place is incremented by one. In our case the above numbers are rounded up as follows:

0.273 is rounded up to 0.27
1.595 is rounded up to 1.60
6.473 is rounded up to 6.47
2.571 is rounded up to 2.57
0.425 is rounded up to 0.43
44.5564 is rounded up to 44.56
82.3643 is rounded up to 82.36
325.1741 is rounded up to 325.17

Match the equation with the name of its form:

Answers

Answer:

Standard form: 3. 5x + 3y = 7

None of the Forms: 4. y + 5 = 3(2x - 4)

Slope Intercept Form: 1. y = 4x - 2

Point Slope Form: 2. y - 3 = 2(x + 1)

Hope this helps!

Answer:

standard form - 3

none of the forms - 2 or 4

slope intercept form - 1

point slope form - 2 or 4

sorry i dont rlly know

Write the name of the period that has the digits 913

Answers

the answer is 913,256
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