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Leno4ka [110]
3 years ago
8

What is the right way to use substitution method?​

Mathematics
1 answer:
Kazeer [188]3 years ago
7 0

Answer:

Step-by-step explanation:

Substitution method can be applied in four steps. Step 1: Solve one of the equations for either x = or y = . Step 2: Substitute the solution from step 1 into the other equation. Step 3: Solve this new equation Happy too help!

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Simplify the following expression. 3x4 +2x3 - 5x2 + 4x2 +6x-2x - 3x4 + 7 x - 3x3​
vlada-n [284]

<u><em>**I want to mention that please use asterisk (*) symbol for multiplication as multiplication symbol x and variable x look the exact same</em></u>

Your question is

3*4+2*3-5*2+4*2+6x-2x-3*4+7x-3*3

First calculate each term getting

=12+6-10+8+6x-2x-12+7x-9

Now combine like term which means adding all of the constant together and all of the term containing variable x together

=11x-5

Therefore 11x-5 is the answer to the expression.

6 0
3 years ago
. A cake recipe calls for cup of butter. One tablespoon equals
natka813 [3]

Answer:

16 tablespoons

Step-by-step explanation:

3 0
3 years ago
Simplify the expression in exponential notation 2×a×b×a×b
Greeley [361]

2a^2b^2 is your answer.

8 0
3 years ago
Craig is practicing his baseball pitching he kept track of the speed oI made a histogram at right can you tell the speed of each
LenKa [72]

Step-by-step explanation:

I am not sure, if something else is missing.

but given that one chart we can say that Craig had 2 fastest throws.

they were in the category 70-75 mph.

but we cannot say precisely which one was faster, and how fast it went.

it is also not clear what is the categorization of a border element (e.g. with an exact speed of 60 mph - is it in the 55-60 or in the 60-65 category ? or both ?).

I assume the upper limit of each interval is included, and the lower limit is excluded.

under this assumption we can say the fastest pitch was faster than 70 mph but slower than or equal to 75 mph.

3 0
2 years ago
Solve the inequality: 5x + 14 greater than or equal too 54
White raven [17]

Answer:

5*8+14=54

Step-by-step explanation:

5*x+14= 54

so

54-14= 40

40/5=8

so x=8

7 0
3 years ago
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