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Nimfa-mama [501]
3 years ago
15

Identify the numerical coefficient, the variable,

Mathematics
2 answers:
jolli1 [7]3 years ago
7 0

Answer:

A numerical coefficient is a constant multiplier of the variables in a term. so it would be 3x cause it has a number and a variable.

a variable is a symbol which functions as a placeholder for varying expression or quantities, so x is the variable.

a constant term is a term in an algebraic expression that has a value that is constant or cannot change, because it does not contain any modifiable variables.  so it would be the 2

Step-by-step explanation:

lukranit [14]3 years ago
3 0

Answer:

5x

Step-by-step explanation:

3x+2x = 55x

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Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels 18 miles per hou
blagie [28]

Formula: Distance = rate * time

570 = (R+(R-18))*3

570 = (2R - 18)*3

190 = 2R-16

208 = 2R

R = 104


Eastbound Train: 86mph

Westbound Train: 104mph

3 0
3 years ago
Which equation is a direct variation function?<br><br> y = 4<br> y = 1/3x+ 4<br> y = x<br> y = x3
Aleks04 [339]

Answer:

y=4

Step-by-step explanation:

its asking which one you can answer without any more context, in this case its y=4 because all the other ones evolving x lead to a rabbit hole and will take you in circles.

8 0
2 years ago
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Find the length of chord QS <br><br> 1)5<br> 2)33<br> 3)21<br> 4)32
Harrizon [31]

Answer:

Length of Chord QS = 33

Step-by-step explanation:

<u>Length of Chord QS</u>:

QW X WS = PW = WR

12(4x + 1) = 14(3x + 3)

48x + 12 = 42x + 42

48x - 42x = 42 - 12

6x = 30

x = \frac{30}{6} = 5

∴ Length of Chord QS = 12 + 4(5) + 1 = 13 + 20 = 33

The intersecting chords theorem or just The chord theorem is a statement in elementary geometry that describes a relation of the four line segments created by two intersecting chords within a circle. It states that the products of the lengths of the line segments on each chord are equal.  Each chord is cut into two segments at the point of where they intersect. One chord is cut into two line segments A and B. The other into the segments C and D.  This theorem states that A×B is always equal to C×D no matter where the chords are.

8 0
3 years ago
Y = −2 4x − 3y = 18 solved by substitution please show work so i can understand :)
ycow [4]

Answer:

Step-by-step explanation:

y = -2

4x - 3y = 18

4x - 3(-2) = 18

4x + 6 = 18

4x = 12

x = 3

(3, -2)

5 0
3 years ago
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Answer Question QUICKILY please
Mariana [72]
In a circle, the internal vertical angles have a formula of \frac{a + b}{2}

In this case, the formula would be: \frac{4x + 2x}{2} = \frac{6x}{2} = 3x

We know that whole circle is 12x. And 12x is equal to 360°. When we put that into equation: 12x = 360
x = 30

If x is 30°: 3x =3 \times 30 = 90

So, angle 7 is 90°.

5 0
3 years ago
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