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quester [9]
3 years ago
12

If a point is located above the xy-plane, then which coordinate(s) must be positive?

Mathematics
2 answers:
Artemon [7]3 years ago
7 0

Answer:

z

Step-by-step explanation:

just took the test on e2020

Alenkinab [10]3 years ago
4 0

Answer:

X n Y

Step-by-step explanation:

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For each part below, use the figure to fill in the blank.
kobusy [5.1K]

Answer:

a) m<F = 70

b) AB = 6

Step-by-step explanation:

a)

Since this is an isoceles triangle, the base angles are equal so:

2x + 40 = 180

2x = 140

x = 70

b)

Since all of the angles are equal, this is an equilateral triangle. This also makes all of the sides equal and the same.

8 0
3 years ago
What is 8(2x+5)=16x+40?
polet [3.4K]

Answer:

x = infinite amount of solutions

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define Equation</u>

8(2x + 5) = 16x + 40

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Distribute 8:                                  16x + 40 = 16x + 40
  2. Subtract 40 on both sides:          16x = 16x
  3. Divide 16 on both sides:               x = x

Here we see that <em>x</em> does indeed equal <em>x</em>.

∴ <em>x</em> has an infinite amount of solutions.

3 0
3 years ago
How do you use equations to solve problems about area of rectangles, parallelograms, trapezoids, and triangles?
elixir [45]
Idkkkkkkkkkkkkkkkkkkkk
6 0
3 years ago
Subtract the following complex numbers: (11-7i)-(16-11i)
Vladimir79 [104]

Answer:

(- 5+4i)

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Factor this expression completely. Write the factored expression in the space provided.
Luba_88 [7]

Answer:

Step-by-step explanation:

So let's factor!

Let's see whats this about...

3x^{3} +15x^{2} +18x\\3x(x^{2} +5x+6)\\3x(x-1)(x+6)

So, there you go!

sorry if this did not make sense...

What I did was essentially factor out 3x first, and then factor the second product by grouping.

Hope this Helps!

P.S. Stay Safe!

5 0
3 years ago
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