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3 years ago

"Which pairs of angles in the figure below are vertical angles? Check all that apply.

Mathematics

2 answers:

Llana [10]3 years ago

7 0

Answer:

A and B

Step-by-step explanation:

SIZIF [17.4K]3 years ago

5 0

Vertical angles are angles that share the same vertex or corner point. These angles are the angles opposite each other when two lines cross.

In the image there is only one pair of vertical angles.

Angle TSW and Angle ISN. The share the corner point identified as S.

<span>Answer is: B. Angle ISN and Angle TSW. </span>

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Step-by-step explanation:

1000*.03= 30. (12mos interest)

30/4=7.50 quarterly interest

7.50x3 (9mos)= 22.50 interest

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Use complete sentences to describe the similarities and differences between an expression and an equation.

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3 years ago

4|n+8| = 56 <br><br>please help

Alchen [17]

To solve the absolute value equation you first need to get everything not in the absolute value bars to the other side of the equation.

Step 1) Divide by 4
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*Remember: when solving absolute value equations, you make what the expression (n+8) is equal to negative and positive. Not the other way around.

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4 years ago

6-y-x^2 use x=5 and y=4

Ulleksa [173]

Answer:

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3 years ago

Which value of x satisfies both -9x+4y=8 and -3x-y=4 given the same value of y?

Deffense [45]

The value of x satisfies both -9x + 4y = 8 and -3x - y = 4 given the same value of y is $-\frac{8}{7}$

Step-by-step explanation:

The system of equations has two equations:

-9x + 4y = 8
-3x - y = 4

Let us solve the system of equations to find the value of x and substitute it in the two equations to check if it gives the same value of y in the two equations

∵ -9x + 4y = 8 ⇒ (1)

∵ -3x - y = 4 ⇒ (2)

- Multiply equation (2) by 4 to make the coefficients of y in the

two equations have same value and different signs

∴ -12x - 4y = 16 ⇒ (3)

- Add equations (1) and (3) to eliminate y

∴ -21x = 24

- Divide both sides by -21

∴ x = $-\frac{8}{7}$

Let us substitute this value of x in equations (1) and (2) to find y

∵ -9( $-\frac{8}{7}$ ) + 4y = 8

∴ $\frac{72}{7}$ + 4y = 8

- Subtract $\frac{72}{7}$ from both sides

∴ 4y = $-\frac{16}{7}$

- Divide both sides by 4

∴ y = $-\frac{4}{7}$

∵ -3( $-\frac{8}{7}$ ) - y = 4

∴ $\frac{24}{7}$ - y = 4

- Subtract $\frac{24}{7}$ from both sides

∴ - y = $\frac{4}{7}$

- Divide both sides by -1

∴ y = $-\frac{4}{7}$

The value of x satisfies both -9x + 4y = 8 and -3x - y = 4 given the same value of y is $-\frac{8}{7}$

Learn more:

You can learn more about the system of equations in brainly.com/question/2115716

#LearnwithBrainly

5 0

3 years ago