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3 years ago

Which best describes the statement a plane contains at least 3 points not on the same line?

Mathematics

1 answer:

nata0808 [166]3 years ago

5 0

Answer: a. always true

Step-by-step explanation:

A plane is defined as a line and a point outside this line.

We know that for any set of two points, we can draw a line throug them.

Then if we have "3 points not in the same line" is equivalent to have two points in the same line, and the third point outside of it, then this is the definition of a plane.

Then the correct option is A, always true.

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HELP PLEASE PLEASE!!

Feliz [49]

9514 1404 393

Answer:

x = 21

Step-by-step explanation:

The parallel lines divide the segments proportionally.

x/27 = 28/36

x = 27(28/36) . . . . multiply by 27 (in your head: (3·9)(4·7)/(4·9) = 3·7)

x = 21

8 0

3 years ago

a language arts test is worth 100 points there is a total of 26 questions . there are spelling word questions that ae worth 2 po

natka813 [3]

10 question of spelling words and 16 questions of vocabulary are present

Solution:

Let "x" be the number of spelling word questions

Let "y" be the number of vocabulary word question

There is a total of 26 questions. Therefore, we get

number of spelling word questions + number of vocabulary word question = 26

x + y = 26 --------- eqn 1

There are spelling word questions that worth 2 points each and vocabulary word question worth 5 points each

The language arts test is worth 100 points

Therefore, we frame a equation as:

number of spelling word questions x 2 + number of vocabulary word question x 5 = 100

$x \times 2 + y \times 5 = 100$

2x + 5y = 100 --------- eqn 2

Let us solve eqn 1 and eqn 2

From eqn 1,

x = 26 - y ------- eqn 3

Substitute eqn 3 in eqn 2

2(26 - y) + 5y = 100

52 - 2y + 5y = 100

3y = 100 - 52

3y = 48

Substitute y = 16 in eqn 3

x = 26 - 16

Thus 10 question of spelling words and 16 questions of vocabulary are present

4 0

3 years ago

Identify the range of the function shown in the graph.

Vladimir [108]

Answer:

All real numbers

Step-by-step explanation:

Given in the question a graph

To find the range of graph

The range is the set of possible output values, which are shown on the y-axis.

We can see in the graph that for negative values of x it have positive values, zero and negative values of y.

The graph extends vertically from (-∞,∞), along the y axis. So the range of the function shown in the graph is (-∞,∞).

Hence, it is concluded that range is All real numbers

3 0

3 years ago

HELP FINAL QUSTION!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

soldier1979 [14.2K]

♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫

➷ 9=5x-3+9

First, you would need to combine the like terms.

-3+9 = 6

9=5x+6

Next, you subtract 6 on both sides.

3=5x

Finally, you divide 5 on both sides to isolate x.

3/5=x

Final answer:

x=3/5

✽

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

TROLLER

5 0

3 years ago

Hey can you please help me posted picture of question

lapo4ka [179]

The correct Option is (C) 5x(3x^2 + 4)

Explanation:
15x^3 + 20x

Take common terms out:
5x(3x^2 + 4) Which is option C.

4 0

4 years ago