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loris [4]
4 years ago
15

Is 4x a mathematical sentence ?

Mathematics
2 answers:
Sindrei [870]4 years ago
4 0

Answer : 4x is a mathematical sentence because it is posititive and you would multiply

Step-by-step explanation:

Misha Larkins [42]4 years ago
4 0

Answer:  yes, 4x means 4 times a number

Step-by-step explanation:

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3. Find the range of this function.
valkas [14]

Answer:

The answer is three

Step-by-step explanation:

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3 years ago
The sum of the squares of two numbers is 18. the product of the two numbers is 9. find the numbers.
zhuklara [117]
A graph shows the two numbers are either (3, 3) or (-3, -3).

4 0
3 years ago
Read 2 more answers
Graph the linear equation in three plots: -x+2y=11
MariettaO [177]

Answer:

<h2>In the attachment.</h2>

Step-by-step explanation:

Convert the given equation to the form y = mx + b:

-x+2y=11          <em>add x to both sides</em>

2y=x+11          <em>divide both sides by 2</em>

y=\dfrac{1}{2}x+\dfrac{11}{2}

It's a linear function.

We need only two points to plot the graph. Select any two x values, insert into the equation and calculate y values.

for x = 1

y=\dfrac{1}{2}(1)+\dfrac{11}{2}=\dfrac{1}{2}+\dfrac{11}{2}=\dfrac{12}{2}=6\to(1,\ 6)

for x = -5

y=\dfrac{1}{2}(-5)+\dfrac{11}{2}=-\dfrac{5}{2}+\dfrac{11}{2}=\dfrac{6}{2}=3\to(-5,\ 3)

3 0
3 years ago
NOTE: Angles not necessarily drawn to scale.
jeka57 [31]

Answer:

x = 45°

Step-by-step explanation:

<u>Vertical Angle Theorem</u>

When two <u>straight lines intersect</u>, they form two pairs of angles.  The vertically opposite (non-adjacent) angles are <u>congruent</u> (equal).

From inspection of the given diagram, the <u>straight line with points C and D</u> and the <u>straight line with points F and G</u> intersect at <u>point E</u>.

Therefore, angles ∠FEC and ∠DEG are vertically opposite, and so they are equal.

From inspection of the diagram:

  • ∠FEC = x°
  • ∠DEG = 20° + 25° = 45°

Therefore:

⇒ ∠FEC =∠DEG

⇒  x = 45°

6 0
2 years ago
Which linear inequality is represented by the graph?
Mandarinka [93]
The answer should be C
3 0
3 years ago
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