Question

PLEASE HELP !!!!!!!!
Write an algebraic expression for each phrase.

11 decreased by a variable n.
a variable x minus 4.
the sum of a variable x and 7.

Answer 1

11 - n
x - 4
x + 7

Answer 2

11-n

x-4

x+7

Answer 3

THANK YOU SO MUCH

Answer 4

Now help me in a few more, please.

Answer 5

25 divides by a variable n

Answer 6

25/n

Answer 7

Now off to a different topic in math

Answer 8

Estimate each expression . Use the order of operations when necessary.

Answer 9

a + 1, for = 10

Answer 10

10 + 1 = 11 (for a = 10)

Answer 11

okay ,
b - 3 , for b = 3

Answer 12

3-3 = 0

Answer 13

9 + c -5 , for c = 7

Answer 14

PLEASE HELP MelindaR

Answer 15

9 + c -5 , for c = 7

Answer 16

9 + 7 - 5 = ?

Answer 17

what's 9 + 7?

Answer 18

16

Answer 19

and 16 - 5?

Answer 20

11

Answer 21

there you go

Answer 22

So c equals to 11

Answer 23

guide me through the next one , okay

Answer 24

d * 8 , for d = 9

Answer 25

9 * 8 = ?

Answer 26

72

Answer 27

good

Answer 28

so the answer is 72?

Answer 29

yep

Answer 30

( e + 4 ) / 2 , for e = 8

Answer 31

( 8 + 4) / 2 = ?

Answer 32

6

Answer 33

yeah that's it

Answer 34

but, wait the question says e = 8

Answer 35

whats 6

Answer 36

( 6 + 4 ) / 2 , for e = 6
is that right?

Answer 37

( 8 + 4) / 2 = 6 because 8 + 4 is equal 12. and 12/2 is equal 6. got it?

Answer 38

yeah

Answer 39

okay , last question

Answer 40

5 + 8 * f , for f = 2

Answer 41

replace f for 2, can you do that?

Answer 42

i don't know

Answer 43

type the equation and instead of f you put 2

Answer 44

so , the expression would look like this
5 + 8 * 2 , for f = 2

Answer 45

yes, very good

Answer 46

now solve

Answer 47

first 8 * 2

Answer 48

16

Answer 49

then + 5 is 21

Answer 50

yeah correct

Answer 51

so , now the equation looks like ?

Answer 52

5 + 8 * f , for f = 2
5 + 8 * 2
5 + 16
21

Answer 53

thanks a lot

Answer 54

anytime

Answer 55

okay