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3 years ago

Rearrange the formula a2 + b2 = c2 for a. A) a = (c2 − b2)2 B) a = (c2 + b2)2 C) a = c2 − b2 D) a = c2 + b2

Mathematics

2 answers:

Sonja [21]3 years ago

7 0

Answer:

the correct answer is:

a = √ c^2 − b^2

Step-by-step explanation:

a^2 + b^2 = c^2

Explanation:

a^2 + b^2 = c^2

a^2 = c^2 − b^2

a = √ c^2 − b^2

madreJ [45]3 years ago

6 0

Answer:

C2 + a2 +2 = b

Would be the new formula

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Polygon A B C D E F has 6 sides. Exterior angle A is 62 degrees, exterior angle B is 44 degrees, exterior angle C is 70 degrees,

nevsk [136]

The measure of angle AFE would be 99 degrees.

Step-by-step explanation:

Given that,

Exterior angle A = 62 degrees

Exterior angle B = 44 degrees

Exterior angle C = 70 degrees

Exterior angle D = 60 degrees

Exterior angle E = 43 degrees

Angle AFE = ?

However, for that, we have to find the exterior angle of F.

We know that the sum of exterior angles of polygon is 360 degrees.

Exterior angle( A + B + C + D + E + F) = 360 degrees

Exterior angle F = 360 - Exterior angle( A + B + C + D + E )

Exterior angle F = 360 - (62 +44 + 70 + 60 + 43 )

Exterior angle F = 360 - 279

Exterior angle F = 81

The, sum of interior and exterior angle is 180 degrees. Therefore, the angle AFE would be 180 - 81 = 99 degrees.

Keywords: polygon, exterior angle

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3 years ago

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What is the measure of PQR?

Lisa [10]

Answer:

PQRS is a quadrilateral and the measure of angle PQR is 70 degrees. According to the central angle theorem, that the angle inscribed on the circle is always half the measure of the central angle.

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3 years ago

.1√a^6 if a<0

Romashka-Z-Leto [24]

Answer:

The answer for first one is,

a³

Answer for Second one is,

Answer for 3rd one is.

-3y

Answer for number four.

x⁹

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Solve <br> 6r + 7 = 13 + 7r

Firdavs [7]

Answer:

r = -6

Step-by-step explanation:

6r + 7 = 13 + 7r

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7 = 13 + r

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Simplify the expression and show work 4(3x-2)-7(x+5)

Gennadij [26K]

Answer:

5x - 43

Explanation:

Given the below expression;

$4\left(3x-2\right)-7\left(x+5\right)$

To simplify the above, we'll go ahead and use the numbers outside the parentheses to multiply the ones inside to clear the parentheses as seen below;

$\begin{gathered} 12x-8-7x-35 \\ =12x-7x-8-35 \\ =5x-43 \end{gathered}$

So the answer is 5x - 43

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