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ziro4ka [17]
3 years ago
15

Rafael wrote the statements shown in the chart.

Mathematics
2 answers:
Kruka [31]3 years ago
7 0

The correct answer is A

Gnoma [55]3 years ago
7 0
<h3><u>Answer:</u></h3>

The correct option that best classifies Rafael's statement is:

a) Statement 1 is a theorem because it can be proved and Statement 2 is a postulate because it is a true fact.

<h3><u>Step-by-step explanation:</u></h3>

<em>" We know that a postulate also known as a axiom  is a  statement that is considered to be true and does not need any kind of proof "</em>

<em>" Whereas a theorem is a statement that need to be derived with the help of corollaries or axioms or some statements "</em>

Hence, we are given two statements as:

statement 1: If a point lies outside a line, then exactly one plane contains both the line and the point.  

statement 2: If two points lie in a plane, then the line joining them lies in that plane.

So, statement 1 is a Theorem and statement 2 is a postulate.

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2x1= how much answer ​
Vilka [71]
It’s two






Explanation:
2x1 = 2

5 0
3 years ago
7. Marco is making beaded bracelets. Each
stiks02 [169]

One way to find the least common multiple of two numbers is to first list the prime factors of each number.

8 = 2 x 2 x 2

Then multiply each factor the greatest number of times it occurs in either number. If the same factor occurs more than once in both numbers, you multiply the factor the greatest number of times it occurs.

2: three occurrences

3: one occurrence

So, our LCM should be

2 x 2 x 2 x 3 = 24.

So, Marco can buy, at the very least, 24 beads of each color to have equal colors of beads.

4 0
3 years ago
What are expressions always equivalent to 4(6+2x)
timurjin [86]
24+12x is the answer
4 0
3 years ago
Help me pls !!!<br><br> answer all pls
polet [3.4K]
1. We assume, that the number 128 is 100% - because it's the output value of the task. 
<span>2. We assume, that x is the value we are looking for. </span>
<span>3. If 128 is 100%, so we can write it down as 128=100%. </span>
<span>4. We know, that x is 51% of the output value, so we can write it down as x=51%. </span>
5. Now we have two simple equations:
1) 128=100%
2) x=51%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
128/x=100%/51%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 51% of 128

128/x=100/51
<span>(128/x)*x=(100/51)*x       - </span>we multiply both sides of the equation by x
<span>128=1.96078431373*x       - </span>we divide both sides of the equation by (1.96078431373) to get x
<span>128/1.96078431373=x </span>
<span>65.28=x </span>
x=65.28

<span>now we have: </span>
<span>51% of 128=65.28</span>
8 0
3 years ago
Solve the equation 6x^2 + 15x + 3= 2x^2 to the nearest tenth.
Slav-nsk [51]

Answer:

x = -0.2 and x = -3.5

Step-by-step explanation:

Combine like terms in the given equation, by subtracting 2x^2 from both sides:

6x^2 + 15x + 3 = 2x^2

-2x^2                = -2x^2

----------------------------------

4x^2 + 15x + 3 = 0

This is a quadratic equation.  We'll find the two solutions using the quadratic equation

      -b ± √(b^2 - 4ac)

x = ---------------------------

                  2a

Here the coefficients of the quadratic are a = 4, b = 15 and c = 3.

Thus, the discriminant b^2 - 4ac is 15^2 - 4(4)(3), or +177

and from that we know we'll find two real, unequal roots.

                                -15 ± √177

The roots are:  x = ------------------- , or x = -0.2 and x = -3.5

                                         8

5 0
3 years ago
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