What is the answer to 3+x

Mathematics

1 answer:

aleksley [76]2 years ago

8 0

X + 3 equals up to undefined

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3 + 2x -y =0 -3 -7y = 10x

sweet [91]

Answer:

(-1, 1)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS
Equality Properties

Algebra I

Solving systems of equations using substitution/elimination
Solving systems of equations by graphing

Step-by-step explanation:

Step 1: Define systems

3 + 2x - y = 0

-3 - 7y = 10x

Step 2: Rewrite systems

3 + 2x - y = 0

Add y to both sides: 3 + 2x = y

Step 3: Redefine systems

y = 2x + 3

-3 - 7y = 10x

Step 4: Solve for x

Substitution

Substitute in y: -3 - 7(2x + 3) = 10x
Distribute -7: -3 - 14x - 21 = 10x
Combine like terms: -14x - 24 = 10x
Add 14x on both sides: -24 = 24x
Divide 24 on both sides: -1 = x
Rewrite: x = -1

Step 5: Solve for y

Define original equation: -3 - 7y = 10x
Substitute in x: -3 - 7y = 10(-1)
Multiply: -3 - 7y = -10
Add 3 to both sides: -7y = -7
Divide -7 on both sides: y = 1

Step 6: Graph

Check the solution set.

4 0

2 years ago

Two baskets contain snacks. The basket contain 12 bags of peanuts, of which 5 are reduced sodium and 8 granola bars, of which 2

Ghella [55]

There are a total of 20 snacks in each bag. We consider the probability of picking a bag of peanuts with reduced sodium and then a granola bar with reduced sodium, then multiply by 2 (because we could pick them in the other order).

There is a 5/20 chance of picking a sodium-reduced bag of peanuts first, and a 2/20 chance of picking a sodium-reduced granola bar next. Thus, the chance of picking them together in that order is 5/20*2/20=10/400, or 1/40. Because we could pick the snacks in either order, we multiply by two, for a result of a 1/20 probability.

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3 years ago

(PLEASE HELP I WILL MARK YOU BRAINLIEST)what’s the standard form of 2.33x10^-8

dusya [7]

Answer:

Step-by-step explanation:

Move the decimal point eight places to the left.

7 0

2 years ago

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Miss Hamel and Miss Nelli spent the same amount of money at Target on Black Friday. Miss Hamel bought an $88 bike to donate for

Sauron [17]