3 years ago

Explain how you would estimate to subtract 189 from 643

Mathematics

1 answer:

Dima020 [189]3 years ago

5 0

I would just round up to 200 and then subtract twelve or just subtract 200 what ever way u prefer.

You might be interested in

Which equation is a linear function? (Look at the photo I attached for the choices) please help me I am confused!

stepladder [879]

The answer is y=x/2 -5

6 0

2 years ago

In the blank, type the greatest common factor of these two numbers.

NNADVOKAT [17]

IT IS 6!!!!!!!!!
i found the box

3 0

3 years ago

What is the volume of this container?

Keith_Richards [23]

Answer:

The volume of the container is $56\ in^{3}$

Step-by-step explanation:

we know that

The volume of the figure is equal to

$V=Bh$

where

B is the area of the base

h is the height of the figure

Let

$h=4\ in$

Find the area of the base B

$B=(4*4)-(1*2)=14\ in^{2}$

substitute

$V=14*4=56\ in^{3}$

3 0

3 years ago

The united states uses 24℅ of the world's supply energy what fraction of the world's energy is this ?

Mice21 [21]

24% = 24/100 = 12/50 = 6/25

24% is 6/25 fraction of world's energy.

5 0

3 years ago

When seven is subtracted from half of a number, the result is negative three. Find the number

Harlamova29_29 [7]

Answer:

Step-by-step explanation:

0.5x-7=3

add 7 to both sides

0.5x=4

multiply both sides by 2

x=8

5 0

3 years ago