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liberstina [14]
3 years ago
14

Write an example of an expression that cannot be simplified, and explain how you know that it cannot be simplified

Mathematics
1 answer:
Natali5045456 [20]3 years ago
8 0

Answer: -1+6y+7x

To simplify expressions, you have to be able to combine like terms (eg. 3x and 2x to get 5x). Since there are none in this expression, and you can't combine y and x, this expression can't be simplified.

*If it helps, think of x and y as different types of candy... ;3

For example, you can't combine 12 Skittles (x) and 4 Reese's (y), because they aren't the same. So, you'd write that you have 12 Skittles and 4 Reese's.

Hope this helps,

LaciaMelodii :)

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Answer:

1225

Step-by-step explanation:


6 0
3 years ago
Read 2 more answers
Find the value of -(2/5) - (-1/8) A) -21/40 B) -11/40 C) 11/40 D) 3/13
Yuliya22 [10]

(-2/5)-(-1/8)

Need to make the denominators the same

(-16/40)-(-5/40)

Multiply -2/5 by 8

Multiply -1/8 by 8

-- sign= positive

-16/40+5/40

Answer=-11/40

3 0
3 years ago
A 25-foot streetlight casts a showdown 20feet long.If Melanie is standing at the end of the shadow casted by a 60. -foot tall bu
natka813 [3]
Melanie is 48 feet away from the building.
Heres my working

20% of 25=20 so 20% of 60=48.
Hope this helped ☺️
7 0
3 years ago
On a busy saturday a movie theater sells 700 children tickets and 300 adults tickets. They made $7200 in total. If each adult ti
natka813 [3]

Answer:

6 dollars per children ticket.

Step-by-step explanation:

Sorry if my explanation doesn't make much sense or you don't understand it.

700x + 300y = 7200

if, y = 10

700x + 300(10) = 7200

700x + 3000 = 7200

        - 3000 = -3000

700x             = 4200

700x/700   = 4200/700

x = 6

5 0
2 years ago
Read 2 more answers
8(a + 30)=80 a equals how much?
Aleksandr [31]

Answer:

a = -20

Step-by-step explanation:

In this question, you would solve for "a".

Solve:

8(a + 30)=80

Use the distributive property.

8a + 240 = 80

Subtract both sides by 240

8a = -160

Divide both sides by 8.

a = -20

Your final answer would be a = -20

4 0
3 years ago
Read 2 more answers
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