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Aliun [14]
3 years ago
5

If the arc length of a sector in the unit circle is 4.2, what is the measure of the angle of the sector

Mathematics
1 answer:
____ [38]3 years ago
7 0
S = rθ
4.2 = 1*θ

The central angle (θ) is 4.2 radians.
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S= 4LW + 2WH; S=152, L=8, W=4. Find H
Katyanochek1 [597]
H is equal to 3. need the solution?
5 0
3 years ago
The formula for the volume of a pyramid is V = Bh. Express h in terms of B and V.<br> 0<br> 0<br> =
strojnjashka [21]

Answer:

h = \frac{V}{B}

Step-by-step explanation:

Given

V = Bh ( isolate h by dividing both sides by B )

\frac{V}{B} = h

4 0
3 years ago
Read 2 more answers
Solve the system of equations. 5x y = 9 3x 2y = 4 (−2, 5) (1, 4) (2, −1) (4, −4)
kobusy [5.1K]

The solution of the system of equations that is given is (2,-1).

Given a system of equations are 5x+y=9 and 3x+2y=4.

A system of linear equations (or linear system) is a collection of one or more linear equations involving the same variables.  A solution to a linear system is an assignment of values to the variables such that all the equations are simultaneously satisfied.

The given equations are

5x+y=9    ......(1)

3x+2y=4  ......(2)

Here, the substitution method is used to solve the system of equations.

Find the value of y from equation (1) by subtracting 5x from both sides.

5x+y-5x=9-5x

y=9-5x

To find the value of x substitute the value of y in equation (2).

3x+2(9-5x)=4

Apply the distributive property a(b+c)=ab+ac as

3x+2×9-2×5x=4

3x+18-10x=4

Combine the like terms on the left side as

-7x+18=4

Subtract 18 from both sides and get

-7x+18-18=4-18

-7x=-14

Divide both sides by -7 and get

(-7x)÷(-7)=(-14)÷(-7)

x=2

Substitute the value of x in equation (1) and get

5(2)+y=9

10+y=9

Subtract 10 from both sides

10+y-10=9-10

y=-1

Hence, the solution of system of equations 5x+y=9 and 3x+2y=4 is (2,-1).

Learn more about system of equations from here brainly.com/question/13729904

#SPJ4

6 0
2 years ago
Find the zeros of the function by factoring 3x^2+ 10x=8​
Wittaler [7]

Answer:

x=\frac{2}{3}, -4

Step-by-step explanation:

hope this helps!

6 0
2 years ago
Can you help show me where they belong ? pls help asap
kozerog [31]

y=3x, y=(2/7)x,-0.5=y are all on direct the other ones are on the other side i just did the question they correct. :)

5 0
3 years ago
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