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I am Lyosha [343]
3 years ago
8

Write a recursive and explicit formula for the following sequence: 21, 24, 27, ...

Mathematics
2 answers:
irakobra [83]3 years ago
6 0
I just see that the numbers are going up by 3 each time
dimulka [17.4K]3 years ago
5 0
Okay so I have no idea and I’m trynna get help please thank this
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If ∠WOZ and ∠WOX are supplementary angles and ∠WOX and ∠XOY are complementary angles, then what is the value of x and m∠XOY?
omeli [17]

Answer:

D.x = 6; m∠XOY = 18°

Step-by-step explanation:

Supplementary angles add to 180 and complementary angles add to 90

∠WOZ + ∠WOX = 180

108 + ∠WOX = 180

∠WOX + ∠XOY = 90

∠WOX + 3x = 90

∠WOX  = 90 -3x

Replace WOX in the first equation

108 + ∠WOX = 180

108 + 90 -3x = 180

Combine like terms

198 -3x = 180

Subtract 198 from each side

-3x = 180-198

-3x = -18

Divide by -3

-3x/-3 = -18/-3

x = 6

∠XOY  = 3x = 3*6 = 18

5 0
3 years ago
What is the volumenof the sphere rounded to the nearest hunderths?​
Kryger [21]
9202.77 it should be
7 0
3 years ago
Please hlep me solve<br><br> -3 x ( w + 5) + 4w
marin [14]

Answer:

w-15

Step-by-step explanation:

-3 * ( w + 5) + 4w

Distribute the -3 to each term in the parentheses

-3w -15 + 4w

Combine like terms

-3w+4w   -15

w-15

3 0
2 years ago
What is the exact area of the following circle?
pychu [463]

Answer:

56.25 pi  cm^2

Step-by-step explanation:

To find the area of the circle,

we use the formula

A = pi r^2, where r is the radius

We know the diameter is 15 so we can find the  radius from

r = d/2  where d is the diameter

r = 15/2

A = pi ( 15/2) ^2

A = pi ( 225/4)

A = 56.25 pi  cm^2

3 0
2 years ago
Read 2 more answers
What is the solution to the equation 2/3a-1/6=1/3
Vsevolod [243]

Answer:

a = \frac{3}{4}

Step-by-step explanation:

\frac{2a}{3} -\frac{1}{6} =\frac{1}{3}

\frac{4a}{6}-\frac{1}{6}  =\frac{2}{6}

(now you can multiply the whole equation by 6 to remove the fractions

4a - 1 = 2

4a = 2+1

4a = 3

a = \frac{3}{4}

4 0
3 years ago
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