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3 years ago

Is 2:4 and 42:84 equivalent?

Mathematics

2 answers:

bezimeni [28]3 years ago

6 0

Answer:

Yes.

Step-by-step explanation:

They are both divisible by 21.

Nastasia [14]3 years ago

6 0

Answer:

Yes

Step-by-step explanation:

They both equal one half

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What is the value of x in this proportion?

astra-53 [7]

Answer:

(a) x=−20 1/2

Step-by-step explanation:

Multiply by the product of the denominators and solve the resulting linear equation in the usual way.

$\dfrac{2}{7}=\dfrac{-5}{x+3}\\\\2(x+3)=-5(7)\qquad\text{multiply by $7(x+3)$}\\\\2x+6=-35\qquad\text{simplify}\\\\2x=-41\qquad\text{subtract 6}\\\\\boxed{x=-20\dfrac{1}{2}}\qquad\text{divide by 2}$

6 0

2 years ago

Plz help me!!

zmey [24]

Y> -4a=36 or 36=-4a< y

3 0

3 years ago

What is the solution for 3x-(2+4x)

Ivenika [448]

The answer is - 7x-2

3 0

3 years ago

Read 2 more answers

Find the area between the two functions

Inga [223]

The area between the two functions is 0

<h3>How to determine the area?</h3>

The functions are given as:

f₁(x)= 1

f₂(x) = |x - 2|

x ∈ [0, 4]

The area between the functions is

A = ∫[f₂(x) - f₁(x) ] dx

The above integral becomes

A = ∫|x - 2| - 1 dx (0 to 4)

When the above is integrated, we have:

A = [(|x - 2|(x - 2))/2 - x] (0 to 4)

Expand the above integral

A = [(|4 - 2|(4 - 2))/2 - 4] - [(|0 - 2|(0 - 2))/2 - 0]

This gives

A = [2 - 4] - [-2- 0]

Evaluate the expression

A = 0

Hence, the area between the two functions is 0

Read more about areas at:

brainly.com/question/14115342

#SPJ1

5 0

1 year ago

Find the measure of d.

ad-work [718]

Answer:

$d = 123$

Step-by-step explanation:

The given figure above is an inscribed quadrilateral with all four vertices lying on the given circle, thereby forming chords each.

Therefore, the opposite angles of the above quadrilateral are supplementary.

This means:

$c + 31 = 180$ , and

$d + 57 = 180$

Find the measure of d:

$d + 57 = 180$

Subtract 57 from both sides.

$d + 57 - 57 = 180 - 57$

$d = 123$

3 0

3 years ago