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Blizzard [7]
3 years ago
7

Which verbal expression best describes the algebraic expression 2x ÷ 4?

Mathematics
1 answer:
Vlada [557]3 years ago
5 0
Let's reason through the answers...

A) Do you see any sums? Any addition? Me neither... it's not A.

B) Well I see a product of 2 and "some number," but are we dividing by 2? Nope. Not B.

C) I see a quotient (2x) divided by 4, but the "some number" is not being multiplied by four. Not C.

D) Well this is the only one left, so it better be this one! We have a quotient, and we have two times some number (2x). The quotient (the division) is of 2x and four. This is it! It's D.
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The shorter leg of a 30 60 90 triangle is 6.4 inches long. Find the perimeter.
kogti [31]
The perimeter is 38.4 inches 
8 0
4 years ago
The supplement of an angle is 3 times the complement of an angle.
-Dominant- [34]
Let’s says that x is the measure of the angle. X and it’s supplement are equal to 180. X and it’s complement are equal to 90. The supplement is s and the complement is c. S is times c which is the same as 3c.

3c + x = 180

C+x = 90
X = 90 - c

3c + 90 - c = 180
2c = 90
C = 45

The complement of. 45 degree angle is 45 degrees.

The angle is 45 degrees.
6 0
3 years ago
Solve for the variable: x + 9 > -4
Marina CMI [18]
Hi \\  \\ x+9\ \textgreater \ -4 \\  \\ x\ \textgreater \ -4-9 \\  \\ \boxed{x\ \textgreater \ -13} \\  \\ S=\{x\in~\mathbb{R} |x\ \textgreater \ -13\} \\  \\  \\
3 0
4 years ago
Read 2 more answers
Which of these equations is for a line perpendicular to y-3=5(x-2)?
olasank [31]

Answer:

C

Step-by-step explanation:

y-3=5(x-2)  (rearrange this to be in slope- intercept from) (add 3 to both sides)

y = 5(x-2) + 3   (distribute parentheses)

y = x(5) - 2(5) + 3

y = 5x -10 + 3

y = 5x - 7

recall that for a line with gradient m, the gradient of the perpendicular line will be - (1/m)

hence in our case, our gradient of the original line is 5, hence the gradient of the perpendicular line is -1/5

From the choices, the only one that is consistent with this is C

i.e choice C:

5y + x = 25

5y = -x + 25

y = -(1/5) x + 5   ===> gradient of -1/5

6 0
3 years ago
Solve the equation for y: -3y - 2 = 10
slavikrds [6]
Answer y=-4

Because it's like you do if backwards
6 0
3 years ago
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