Explain how to solve 643 = 4x160 +n

Answers

Answer 1

Answer: first you will have to multiply 4 and 160 which will be 640
then write 640 in the place of 4x160 so you should have 643=640+n
you then will subtract 640 with 640 and they should console out
then subtract 643 with 640 you should get 3
so your answer should be 3=n

Answer 2

Answer: Omg really? Im in Middle School and i never saw anythin like this in Elementary School?????

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Given: -1/2x > 6.Choose the solution set.
{x | x R, x > -12}
{x | x R, x < -12}
{x | x R, x > -3}
{x | x R, x < -3}

Answers

Answer:

{x | x R, x<-12}

Step-by-step explanation:

SO basically think of it as x is a teenager that wants to be alone. so have to figure out how to get everyone on the otehr side of their bedroom door (>)

so you are going to do this

-1/2x>6

/-1/2x /-1/2x

x<6/-1/2

x<6*-2/1

x<-12

What is the solution to the equation? 4(x – 3) = 7x + 24 A. x = 12 B. x = –12 C. x = –36 D. x = 4

Answers

Simplify both sides of the equation

4(x-3) = 7x+24

4x-12 = 7x+24

Subtract 7x from both sides

4x-12-7x= 7x+24-7x

-3x-12= 24

Add 12 to both sides

-3x-12+12 = 24+12

-3x=36

Divide both sides by -3

-3x/-3= 36/-3

x = -12

Answer : B

I hope that's help !

How much is 250+250 -(3+4) ?

Answers

250+250−(3+4)=493

There you go hope this helped

The manager of a summer camp has 14 baseballs and 23 tennis balls. The manager buys some boxes of tennis balls with 16 tennis balls to a box. Write an expression to represent the total number of balls.

Answers

Answer:

Expression to represent the total number of balls:

T = 37 +16x

Step-by-step explanation:

Number of baseballs present in the summer camp = 14

Number of tennis present in the summer camp = 23

Number of boxes of tennis bought by the manager = x

Number of tennis balls in 1 box = 16

Number of new tennis balls bought = 16 × x

So, the expression of total number of balls in the summer camp = T

T = 14 + 16x + 23 = 37 +16x

14 baseballs + 23 tennis balls = 37 total balls
x = the number of boxes
16x + 37 <== ur expression

The table shows the number of pages that Cindy can read in different amounts of time.Number of Minutes 8 12 20
Number of Pages Read 10 15 25
What is the constant of proportionality?
0.75
0.8
1.25
1.5

Answers

Yes really simple, y is the bottom 10 15 and 25 well in a graph y is on the top so put y on top of x and divide. SO 10 divided by 8 15 divided by 12 and 25 divided by 20 which all equal 1.25! Now just because I'm only a helping hand doesn't mean I dont know my math! Hope I helped

y=mx
10=m(8)
m=1.25
the constant of proportionality is 1.25

40% of a number is 68.What is the number?

Answers

the number is 17 hope it helps

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