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3 years ago

What is a equaled sign

Mathematics

2 answers:

N76 [4]3 years ago

6 0

An equal sign is a symbol that looks like =

topjm [15]3 years ago

5 0

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.

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Please solve for x. (-: Also please show me a step-by-step, thanks! uwu

Stells [14]

Answer:

$x=27$

Step-by-step explanation:

we know that

$(3x+9)^o+90^o=180^o$ ----> by supplementary angles (form a linear pair)

Solve for x

Combine like terms

$(3x+99)^o=180^o$

subtract 99 both sides

$3x=180-99\\3x=81$

Divide by 3 both sides

$x=27$

5 0

3 years ago

Which of the following functions gives the radius, r(v), of a conical artifact that is 20 inches tall as a function of its volum

nalin [4]

By calculus or elementary geometry, we know that the formula for the volume of a cone, given pi (the constant), its height h and its radius r is:
$V=pi*h*r^2/3$
Lets solve this relation for the radius:
$3V=pi*h*r^2
$
$\frac{3V}{pi*h} =r^2$
$\sqrt{\frac{3V}{pi*h}} = r$
Now we have found a general formula that gives us the radius of a cone, given its volume and height. We need only substitute height (20in) and pi=3.14 to get the numerical equation: r=0.2185* $\sqrt{V}$

5 0

3 years ago

Solve the equation 4(x-2)=2(2x+6)

lesantik [10]

Answer:

No solution

Step-by-step explanation:

4(x-2) = 2(2x+6)

4x-8 = 4x+12 <-- Your answer

-8 = 12

No solution

7 0

2 years ago

Read 2 more answers

What is the equation of a line in slope intercept form that passes through the points (-4,3) and (-2,4)

Aleks [24]

Answer:

y=1/2x+5

Step-by-step explanation:

y-y/x-x for slope

4-3/-2-(-4) 1/2

7 0

2 years ago

Read 2 more answers

2. If tan theta = 2 , find cot theta

RideAnS [48]

Answer:

1/2

Step-by-step explanation:

cot∅ = 1/tan∅

cot∅ = 1/2

3 0

3 years ago