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ElenaW [278]
3 years ago
13

Is ( 2,7) a solution of 2y = 3x + 8

Mathematics
1 answer:
solmaris [256]3 years ago
5 0

Answer:

Yes

Step-by-step explanation:

2(7) = 3(2) + 8

14 = 6+8

14 = 14

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If f(x) = 0.8(2 – x), what is the value of f(–2)?
Sergio039 [100]
With functions, you take the number that is in the ( ), so we have f(-2), and take the fomula f(x) = 0.8(2 – x) and everywhere you see an 'x' replace it with the -2 f(–2)=0.8(2 – (-2)) 

We will have to work with the expression of 0.8(2-(-2) When you want to evaluate these types of expressions, you want to use the Order of Operations: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. First we have to evaluate the parentheses. What is 2-(-2)
 its 4.

ok now you got 0.8 (4)

 Now we have the remains of 0.8(4). If a number is within the parenthesis, then it means that we have to multiply the number inside with the number that is outside. What is 0.8*4 its 3.2 soooo your answer is going to be

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3 years ago
rita has 4 plants.She gets 9 more plants then rita gets 1 more plants. How many plants does she have know
Dmitrij [34]

The answer is 14 plants.


Explanation:


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Hope it helps!

5 0
3 years ago
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pashok25 [27]

Answer:

Step-by-step explanation:

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5 0
3 years ago
HELP please! This is for a test.
Svetllana [295]

Answer:

D

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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