3 years ago

Area of a circle if the circumference is 14

Mathematics

2 answers:

Phoenix [80]3 years ago

7 0

Answer:

15.6 about

Step-by-step explanation:

LiRa [457]3 years ago

5 0

Answer:

the answer is A=15.6

Step-by-step explanation:

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F(3)= 5x^2 - 4x + 9<br> evaluate this quadratic function

Neporo4naja [7]

Answer:

$f(3) = 38$

Step-by-step explanation:

Given the quadratic function

$f\left(x\right)=\:5x^2\:-\:4x\:+\:9$

Evaluating the quadratic function

$f\left(x\right)=\:5x^2\:-\:4x\:+\:9$

substitute x = 3

$f\left(3\right)=\:5\left(3\right)^2\:-\:4\left(4\right)\:+\:9$

$f(3) = 45-16+9$

$f(3) = 38$

Therefore,

$f(3) = 38$

6 0

3 years ago

The sum 51 5/6 + (-37 1/12) is equal to what?

postnew [5]

Those two added together are equal to
14 and $\frac{3}{4}$

6 0

3 years ago

Read 2 more answers

JL = 28,<br> KL= 5x + 6, and<br> JK = 3x + 6,

Alexeev081 [22]

Answer:

KL = 16

Step-by-step explanation:

For this problem, JL is the sum of KL and JK. So we can say this:

JK + KL = JL

( 3x + 6 ) + ( 5x + 6 ) = 28

8x + 12 = 28

8x = 16

x = 2

So, now we can find KL:

5x + 6 = ?

5(2) + 6 = ?

10 + 6 = ?

16 = ?

So the length of KL is 16.

Cheers.

7 0

4 years ago

What, in degrees, is the measure of the largest angle in $\triangle PQR?$

irina1246 [14]

Answer:

108 degrees

Step-by-step explanation:

3x+x+6x=10x, 180/10=18 and 18x6 is 108

3 0

3 years ago

Can the sides of a triangle have lengths 13, 1, and 1?

nevsk [136]

Answer:

no you cant

Step-by-step explanation:

8 0

2 years ago