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babunello [35]
3 years ago
6

Combine the like terms to create an equivalent expression: 2r+1+(−4r)+7

Mathematics
1 answer:
dybincka [34]3 years ago
3 0

Answer:

the answer is -2r+8

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3+0.5(4x + 8) = 9-2x
Radda [10]

Answer:

1/2

Step-by-step explanation:

if you want me to explain it Just tell me and i will edit it

6 0
3 years ago
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(7.5)What is the value of x?
koban [17]

Answer:

D 5

Step-by-step explanation:

the same scaling factor s applies to all sides when transforming from the small to the large triangle.

x×s = x + 5

(x-2)×s = x +1

=> s = (x+5)/x

=> (x-2)×(x+5)/x = x + 1

=> x² + 3x - 10 = x² + x

=> 3x - 10 = x

=> 2x = 10

=> x = 5

6 0
3 years ago
Identify it's monomial binomial, trinomial, trinomian or polynomial =
Andrej [43]

Answer:

it's polynomial

Step-by-step explanation:

polynomial is 4 terms!

have a great night! :3

3 0
3 years ago
How to solve a system of equations by graphing
yarga [219]
You first graph both equations.
Once that is done find the point of intersection (where the equations cross).
The point where they meet up (intersect) will be your solution.
3 0
3 years ago
What will be the unit digit of the square of 7992​
Alina [70]

Answer:

4

Step-by-step explanation:

Here you need not completely solve 7992 squared. You can just take the last digit which in this case is 2 and solve for the square of that digit. 2 x 2 = 4. Now if it was a bigger digit which would result in a two digit number when squared you would take the last digit of that number. But, we don't need to do that here since 2 squared is 4.

7 0
3 years ago
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