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Zolol [24]
3 years ago
5

How can you quickly calculate 20 percent of any bill amount?

Mathematics
2 answers:
Olin [163]3 years ago
8 0
Turn 20 into 20/60 then divide them
It equals 3
3%
inna [77]3 years ago
6 0
Take it and divide it by 5, or you can multiply it by .2
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if a rectangle's length is 2 x − 1 and the width is 4 x − 2 , write an expression for the perimeter and an expression for the ar
miskamm [114]

Answer:

Step-by-step explanation:

2p/2 = 2x+7

1) 2x+7 -x - 5 =

width = x + 2

2) 2p/2 = 21 in

x + 5 + x + 2 = 21

2x = 14

x = 7

lenght = 7 + 5 = 12 in

width = 7 + 2 = 9 in

3 )

A = (x+5)(x+2)

4)

A = 12 x 9 = 108

6 0
2 years ago
Bob ran 7 times a week for a number of weeks what is the algebraic phrases
34kurt

Answer:

I'd assume 7 times x, or 7x

Step-by-step explanation:

Algebraic phrases don’t include the equal sign and based on the information you gave me, I think 7x is the answer.

8 0
3 years ago
Choose the Algebraic equation that matches the table
juin [17]

Answer:

C

Step-by-step explanation:

In order to write the equation, you need to identify the slope and y-intercept.

1) the y intercept is what y is when x=0. According to the table, it is -2.

2) the slope is the change in the y values over the change in the x values.  Notice that the y values are increasing by one for every increase in 1 in the x values, so the slope is 1/1 or 1.

3) we can then put those values into slope-intercept form which is y=mx+b where m is the slope and b is the intercept.

4) so the equation is y=(1)x-2 or y=x-2  (they are the same)

8 0
3 years ago
Eight less than one half a number is two
lawyer [7]

Is means =

less than is subtract


1/2a -8=2

if you need to know how to do it let me know

7 0
3 years ago
More is coming but help help help #10 points
vovangra [49]

Answer:

Its the last one

Step-by-step explanation:

The angle R is supposed to be the letter in the middle which is known as the vertex in an angle,It leads to the angle in degrees forming a proper angle.

It not much information because its hard to explain but,hope this helps!!!.

6 0
3 years ago
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