MATHEMATICS MIDDLE SCHOOL

Solving eqations
4c=16

Answers

Answer 1

Answer:

Answer:

c=4

Step-by-step explanation:

Answer 2

Answer:

Answer:

C=4

Step-by-step explanation:

when solving these equations you have to get the letter by itself and in this case the 4 is being multiplied by the c so you have to do the opposite and divide the 4 from the c and divide 16 by 4 because what you do to one side of the equal sign you have to do to the other side.

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12v(32v^2-8) at v= 3/4

Answers

You distribute a 3/4 wherever you see a v
Use PEMDAS order of operations (parenthesis, exponents, multiply, divide, add, subtract)

12*3/4(32*9/16-8)
12*3/4(18-8)
12*3/4(10)
9*10
=90

Hope this helps

What is a equaled sign

Answers

An equal sign is a symbol in mathematics.

It is to indicate that the given terms are equal.

It is also used to indicate a mathematical equality.

An equal sign looks like ( $=$ ) this.

an equal sign is a symbol that looks like =

Can somebody help me with this?

Answers

Its a little blurry, but I hope this helps. Lets just say the number on the bottom is 2b, and the one on the side is b. You would have a total of (4)b's, and (2)2b's. Answer: 4b+2(2b). The 4 b because you have 4 sides of that equal length, and the same with the 2b's

Please Help!
With a math homework.

Answers

For #3:

y = 1/2x, x = -18

Plug in -18 for 'x':

y = 1/2(-18)

y = -9

For #4:

y = -4x + 6, x = 1

Plug in 1 for 'x':

y = -4(1) + 6

y = -4 + 6

y = 2

1. $(2,3),(6,4),(8,11),(10,4)$
2. $(7,-13),(9,-9),(11,-5),(14,-1)$
Both relations are functions.

3. $y(-18)=(1)/(2)\cdot(-18)=-9$
4. $y(1)=-4\cdot1+6=-4+6=2$

5. It's easy to notice it's a linear function.
$y=mx+b\nm=(y_2-y_1)/(x_2-x_1)\n\nm=(-10-(-5))/(2-1)\nm=(-5)/(1)\nm=-5\n\n-5=-5\cdot1+b\nb=0\n\n\boxed{y=-5x}$

Please show work thank you

Answers

∠D = 90°
∠E = x
∠F = 2x - 12

Angles in a triangle = 180°
  90 + x + 2x - 12 = 180
  78 + 3x = 180
-78 -78
3x = 102

   $(3x)/(3) = (102)/(3)$
3 and 3 cancels out

34 = x

∠E = 34°

∠F = 2x -12
= 2 × 34 - 12
= 56°

A stick is 0.9 meters long. A piece 0.3 meters long is cut from the stick. what length is left?