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e-lub [12.9K]
3 years ago
12

What is the area of the regular hexagon with a side length of 3 cm and an apothem of 2.6 cm? A. 15.6 cm2 B. 23.4 cm,2 C. 46.8 cm

,2 D. 31.2 cm,2
Mathematics
2 answers:
yarga [219]3 years ago
7 0
Regular hexagons have all equal sides and angles 
=((3cmx2.6)/2) x 6
=( 7.8/2) x6
= 3.9 x 6                The answer is B. 23.4cm 
= 23.4 
steposvetlana [31]3 years ago
5 0
I agree that is right 23.4cm2
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You have been asked to find the inverse of f(x) = 3+ V2 - 1. What would your first step be?
Aleonysh [2.5K]

Answer:

Add 1 to both sides of the equation.

Subtract 3 from both sides of the equation.

Step-by-step explanation:

The inverse of a function refers to that function that tends to undo another function.

If we intend to find the inverse of the function, f(x) = 3+ V2 - 1, we have to first add 1 to both sides of the equation and subsequently subtract 3 from both sides of the equation before taking the square root of both sides to obtain the inverse function.

5 0
3 years ago
Please answer correctly !!!!!!! Will mark brainliest !!!!!!!!!!
MrMuchimi

Answer:

side of square is 2-x

Step-by-step explanation:

Area of the square is side * side  or side ², so the expression for the side has to be square root of area

A = 4 -4x + x²

It should be recognized that 4 -4x + x²is a special product ( 2-x)² because this is a perfect square trinomial

side of square is 2-x

6 0
3 years ago
12dogs to 92 cats whats the ratio as a fraction in simplest form
DedPeter [7]

12 dogs to 92 cats.

12/92

Both 12 and 92 are divisible by 4.

12/4=3

92/4=23

Simplified ratio: 3/23

There are 3 dogs for every 23 cats.

4 0
3 years ago
SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST!!’
ad-work [718]

Factoring this expression using the identity of a²-b² = (a+b)(a-b)

Given :-

25 - x²

<em>This can be broken down into:- </em>

... ( 5 )² - ( x )²

<em>In this case, a is 5 and b is x </em>

... ( 5 + x ) ( 5 - x ) Is the answer.

Hope it helps!!

7 0
3 years ago
Read 2 more answers
Suppose John has a torn tendon and is facing surgery to repair it. The surgeon explains the risks to John: infection occurs in 4
Kryger [21]

Answer:

The probability of not having an infection and the surgery being a success is 0.8478.

Step-by-step explanation:

Hello!

There are several possible outcomes facing surgery to repair a torn tendon:

"Infection" ⇒ P(In)= 0.04

"Repair fail" ⇒ P(F)= 0.12

"both infection and failure" ⇒ P(In∩F)= 0.0078

P(NIn∩S)=?

Where NIn represents "no infection" and S represents "successful surgery"

The event "no infection" is complementary to the event "infection" and so is it's probability P(NIn)= 1 - P(In)= 1 - 0.04= 0.96

The event "successful surgery" is complementary to the event "Repair fail" and so is it's probability: P(S)= 1 - P(F)= 1 - 0.12= 0.88

                         "Repair fail"      ;  "successful surgery";  Total

"Infection"       :   P(In∩F)           ;         P(In∩S)               ;     P(In)

"no infection" :  P(NIn∩F)         ;         P(NIn∩S)            ;     P(NIn)

                                P(F)            ;                P(S)              ;         1

P(F)   = P(In∩F) + P(NIn∩F)  

P(NIn∩F)  =   P(F)  - P(In∩F) = 0.12 - 0.0078= 0.1122

P(NIn∩S)= P(NIn) - P(NIn∩F) = 0.96-0.1122= 0.8478

The probability of not having an infection and the surgery being a success is 0.8478.

I hope it helps!

7 0
3 years ago
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