2 years ago

Please help me with the answer

Mathematics

2 answers:

liraira [26]2 years ago

5 0

Answer:

-18

Step-by-step explanation:

-15+6=-9

the absolute value of -9 is 9

and 9*-2=-18

wariber [46]2 years ago

3 0

Answer:

-18

Step-by-step explanation:

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Help asap with Arcs! 30 Points

alexira [117]

The answer is 15

these chords are congruent because the radius of the circle are perpendicular to the them
so we can find EF by making an equation:
$3x + 5 = x + 35 \\ 3x - x = 35 - 5 \\ 2x = 30 \\ x = \frac{30}{2} = 15$

so EF is = 3(15)+5=50
good luck

6 0

3 years ago

What is the circumstance of 12cm ?

konstantin123 [22]

Answer:

37.68 cm

Step-by-step explanation:

The formula for circumference is C= 2* (3.14) r

First you can actually cut 12 by 1/2

12 * 1/2 is 6. This works because 12 is an even number.

2 * 3.14 (6) gives you 37.68 cm.

So i believe the answer is 37.68 cm.