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hoa [83]
3 years ago
9

Simplify this expression: 5 + 2b - 2

Mathematics
2 answers:
Evgen [1.6K]3 years ago
7 0

Answer:

3 + 2b

Step-by-step explanation:

To simplify, you have to combine (add) like terms. The like terms are 5 and -2 because they both do not have a variable.

5 + (-2) = 3

2b stays the same because there are no like terms for it.

3 + 2b

Hope this helped :)

Stells [14]3 years ago
5 0
Answer: 2b+3

Combine like terms which are 5 and -2
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3 years ago
The cost to rent a jet ski is $80 per hour. in addition there also includes fee for a lesson on how to use the jet ski. Steve re
melomori [17]

Answer:

y=80x+25

Step-by-step explanation:

Let

x ----> the number of hours

y ---> the total cost of renting a jet ski in dollars

we know that

The linear equation in slope intercept form is equal to

y=mx+b

where

m is the slope or unit rate of the linear equation

b is the y-intercept or initial value

In this problem we have

The slope is equal to

m=\$80\ per\ hour

we have the ordered pair (3,265)

substitute in the linear equation

265=80(3)+b

solve for b

265=240+b

b=265-240

b=\$25 ----> fee for a lesson on how to use the jet ski

substitute

y=80x+25

8 0
3 years ago
Find the three arithmetic means between -5 and -25
Katarina [22]
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4 0
4 years ago
20inches = what foot?
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6 0
4 years ago
Read 2 more answers
A rectangular room is 1.5 times as long as it is wide, and its perimeter is30 meters. find the dimension of the room.
Tpy6a [65]

Answer:

6 meters by 9 meters

Step-by-step explanation:

<u><em>Step 1: Formula for perimeter of rectangle</em></u>

Rectangle's perimeter = 2 (length) + 2 (width)

Rectangle's perimeter = 2 (length + width)

<u><em>Step 2: Find the length and width in terms of x</em></u>

Width = x

Length = 1.5 times width

Length = 1.5x

<u><em>Step 3: Find x</em></u>

Perimeter = 2(length + width)

30 = 2 (1.5x + x)

30/2 = 2.5x

15/2.5 = x

x = 6

<u><em>Step 4: Find the length and width</em></u>

Width = x = 6 meters

Length = 1.5x = 1.5(6) = 9 meters

Therefore, the dimensions of the room are 6 meters and 9 meters.

6 0
3 years ago
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