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3 years ago

why can you write a subtraction problem as an addition problem? How do you write a subtraction problem as an addition problem?

1 answer:

7 0

To write a subtraction problem as an addition problem, just switch the numbers a little. For example:

11 - 5 = ?

Just write it like this:

5 + ? = 11

These two problems will get the same answer. Watch:

11 - 5 = 6

5 + 6 = 11

Both of these work because all three numbers ( two main ones and the answer) Can be switched around in different orders depending on the operation.

Hope this helps, WyattMarine501

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Does anyone know what 3x+y=15 5x3y=11 is? It has to be answered in desmos.

faust18 [17]

3x + y = 15

5x3y = 11

This is an example of a system of equations.

A system of equations is two or more equations that can be graphed, as the solution that satisfies both equations will be the point where the lines intersect on a graph.

Desmos is a graphing calculator, and thus it allows you to visualize this system.

8 0

3 years ago

Identify the percent increase or decrease for exponential growth if: y = 5^x

sdas [7]

Answer: 500%

Step-by-step explanation:

It is growing because the base is greater than 1 and the exponent has a positive sign

4 0

3 years ago

You have 12 coins of which you need to flip only 4 heads. If the probability of flipping heads is 35%, what is the probability t

mel-nik [20]

Answer:

33.3333333333

Step-by-step explanation:

One coin would equal over 11 more would be 8.3333333333 so time that by 4

GoodLuck

5 0

2 years ago

Question included in the image - geometry problem.

iren [92.7K]

Answer:

y = 116°

Step-by-step explanation:

Given that L₁ || L₂:

The exterior angle theorem states that the measure of an exterior angle of a triangle is equal to the sum of the two opposite and non-adjacent remote interior angles.

Also, ∠y° and ∠2x° are same-side interior angles formed by the intersection of the hypotenuse of the triangle that acts as a transversal to the parallel lines, L₁ and L₂. Given that ∠y° and ∠2x° are same-side interior angles, then it means that they are the supplements of each other, such that the sum of their measures is 180°.

Now that we have established these definitions, we can proceed with the solution.

Equation 1: ∠y° + ∠2x° = 180° ⇒ Same-side interior angles

Equation 2: ∠y° = ∠x° + ∠84° ⇒ exterior angle theorem

Substitute the value of m∠y° from Equation 2 into Equation 1 to solve for the value of x:

∠y° + ∠2x° = 180°

∠x° + ∠84° + 2x° = 180°

Combine like terms:

∠3x° + ∠84° = 180°

Subtract ∠84° from both sides:

∠3x° + ∠84° - ∠84° = 180° -∠84°

∠3x° = 180° - ∠84°

∠3x° = 96°

Divide both sides by 3 to solve for x:

$\frac{3x}{3} = \frac{96}{3}$

∠x° = 32°

Substitute the value of x into Equation 2 to solve for y:

∠y° = ∠x° + ∠84°

∠y° = ∠32° + ∠84°

∠y° = 116°

Verify whether the values for x and y are correct by substituting their values into Equation 1 and 2:

<h3>Equation 1:</h3>

∠y° + ∠2x° = 180°

116° + 2(32)° = 180°

116° + 64° = 180°

180° = 180° (True statement).

<h3>Equation 2:</h3>

∠y° = ∠x° + ∠84°

116° = 32° + 84°

116° = 116° (True statement)

Therefore, the correct answer is: y = 116°.

5 0

2 years ago

If a is a solution of abs(x+3)>4, then is a also a solution of x+3>4?

Alexandra [31]

Answer:

Yes

Step-by-step explanation:

After solving for the two values of a, the second inequality gives a value inside the range of the first inequality.

7 0

3 years ago