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schepotkina [342]
3 years ago
12

Which equations are true for the values of x, y, and z? Select three options.

Mathematics
1 answer:
AfilCa [17]3 years ago
7 0

Answer:

A) x + 65 = 180

B) x = z

C) y = 65

Step-by-step explanation:

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Better deal help me worth a lot of points
Finger [1]
Days: 0 4 8 12 16

Cost: 60, 100, 140, 180, 220.
(Add 40 each time, except the first, because you paid $60 to get in)
Do the same with Y.
3 0
2 years ago
Find the measure of a positive and a negative angle that are coterminal with each of the given angles:
ozzi

Complete question is;

Find the measures of a positive angle and a negative angle that are co-terminal with each given angle.

8. θ = -25°

9. θ = -390°

Answer:

8) Negative coterminal angle = -385°

Positive coterminal angle = 335°

9) Negative coterminal angle = -750°

Positive coterminal angle = 330°

Step-by-step explanation:

For us to find a positive coterminal angle, we add 360° to the given angle. Whereas to find the negative coterminal angle, we subtract 360 from the given angle.

Thus;

8) for θ = -25° ;

Negative coterminal angle = -25° - 360° = -385°

Positive coterminal angle = -25° + 360° = 335°

9) For θ = -390° ;

Negative coterminal angle = -390 - 360 = -750°

Positive coterminal angle = -390 + 360 = -30°

Since it's negative, we add 360 again till it's positive.

Thus = -30° + 360 = 330°

4 0
2 years ago
Which property is displayed in the example below: 4(x + 3) = 4x + 12
Veseljchak [2.6K]

Answer:

This equation displays the distributive property which states that a(b + c) = a(b) + a(c).

3 0
3 years ago
Read 2 more answers
The first few steps in deriving the quadratic formula are shown.
Kisachek [45]

In the first few steps for deriving the quadratic formula left side of the equation due to the distributive property for balancing the equation.

<h3>What is quadratic equation?</h3>

A quadratic equation is the equation in which the highest power of the variable is two.

Here, The first few steps in deriving the quadratic formula are shown in the table.

Use the substitution property of equality to solve it further,

-c=-ax² +bx

Now factor out the term a, to solve further as,

    - c = a (x² + b/a x)

for half of the b value and square it to determine the constant of the perfect square trinomial as,

     (b/2a)² = b²/4a²

Now  the distributive property needs to be applied to determine the value to add to the left side of the equation to balance the sides of the equation.

  -c + b²/4a² = a(x² + b/a x + b²/4a² )

Thus, the distributive property needs to be applied to determine the value to add to the left side of the equation to balance the sides of the equation.

Learn more about Quadratic equation from:

brainly.com/question/14336752

#SPJ1

7 0
1 year ago
Simplify the expression 5(n+3)+4n
Xelga [282]

Answer:

9n + 15

Step-by-step explanation:5XN + 5X3  +  4N = 5n + 15 + 4n = 9n + 15

6 0
3 years ago
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