Find the area of a triangle with the following sides

Find The Area Of A Triangle With The Following Sides

Answers

Answer 1

Step-by-step explanation:

step 1. The easiest way is to use Herons formula.

step 2. s = (a + b + c)/2 = (3 + 5 + 6)/2 = 7

step 3. A = sqrt(7(7-4)(7-5)(7-6))

step 4. A = sqrt(7(3)(2)(1))

step 5. A = sqrt(42)

step 6. A = 6.4807 = 6.5cm^2.


Related Questions

Can someone help me pls and thank you!

Answers

Answer:

yes

Step-by-step explanation:

if you add 2+3 it will be five and 6+5 equals 11 so yes

Answer:

Yes.

Step-by-step explanation:

6+2+3=11

8+3=11

Therefore, both equations are equal.

Plz, help if you are an expert at math. his lesson is called "Equations with variables on both sides" thanks

Answers

Answer:

solve the equation by multiplying and arranging.

Step-by-step explanation:

I didn't saw the question properly but I think it's the right question.

The perimeter of a rectangle is 48cm. It's length is 4cm. What is it's width?​

Answers

Answer:

The width is 20cm

Step-by-step explanation:

4 + 4 = 8

48 - 8 = 40

40 ÷ 2 = 20cm

WILL MARK BRAINLIEST!
Please help! What's the simplified expression? Explain why!

Answers

Answer:

625^3

Step-by-step explanation:

5*5*5*5=25*5*5=25*25=625

625^3 is the final answer

The yearbook team is designing the pages for school clubs so
that the layouts are all the same. The dimensions shown are ir
inches. Different team members think about the total area of
the page in different ways.
a. Paulo thinks of the area of the page as the product
of the total length and the total width.Complete Paulo's expression. (_____+3)*(4+_____)

Answers

Answer:

creo que sería 54 por actitud de :72-1 1?? por eso sería esta cosa esxtactamente espero que te allá ayudado

carsen loves to run. she runs 4 miles each day if she wants to run a total of 56 miles how many days shoukd she run? whrite an equation to show this problem along with the answer

Answers

Answer:

the answer mia 14days

Step-by-step explanation:

56divided by 4 equals 14

3. Find the surface area for the given cylinder. Use 3.14 for r and round to the nearest whole number. (1 point)
A. 904
B.1,017
C.1,130
D.2,713​

Answers

Answer:

C

Step-by-step explanation:

The surface area of a cylinder is given by the formula:

[tex]SA=2\pi rh+2\pi r^2[/tex]

Where h is the height and r is the radius of the cylinder.

The given radius is 6 and the height is 24.

We are also using 3.14 for π.

Therefore;

[tex]SA\approx 2(3.14)(6)(24)+2(3.14)(6)^2[/tex]

Evaluate:

[tex]SA\approx1130.4\approx 1130[/tex]

The answer is C.

Given: E is the midpoint of overline BD and overline AC perp overline BD .

Prove : triangle BAE cong triangle DAE .

Answers

Answer:

u can prove using SAS congruency

Step-by-step explanation:

Ae=Ae common

BE=DE (E MID POINT)

Angle E=angle E (90 degree)

The ΔBAE is congruent to ΔDAE.

Given to us,

E is the midpoint of ,

ACBD,

As given E is the midpoint of the line [tex]\overline{BD}[/tex],

So, BE = ED,

further, line AE = AE, because this is the common line between the two triangles.

Also, ∠BED =∠DEA =90°, as AC⊥ BD.

Therefore, the ΔBAE is congruent to ΔDAE.

To know more visit:

https://brainly.com/question/1446688

PLEASE ANSWER QUICKLY! THIS IS FOR A STUFY GUIDE DUE IN 5 MINUTES!!!!!
6CO2 + 6H2O ———» C6H12O6 + 6O2

Is the equation above balanced or unbalanced? ___________

a- need to add coefficients
b- I don't know
c- Unbalanced
d- Balanced

Answers

Answer:

It's Balanced

Step-by-step explanation:

A simple word equation that can be used to describe the process of photosynthesis is carbon dioxide + water —> glucose + oxygen + water.  So it's a balanced chemical equation for the process can be written as 6CO2 + 6H2O —> C6H12O6 + 6O2

Hope this helps!

What is the radius of this circle?​

Answers

Answer:

9in

Step-by-step explanation:

radius is half the diameter

18/2 is 9 so the radius is 9in

what is 2/3 as a decimal rounded to put in a Calculator?

Answers

Answer:

0.66

Step-by-step explanation:

A rock is thrown down from a cliff that is 180 m high. The function
h(t) = -5t^2 – 10t + 180 gives the approximate height of the rock
above the water, where h(t) is the height in metres and t is the time
in seconds. When will the rock reach a ledge that is 105 m above
the water?

Answers

Answer:

t = 3

Step-by-step explanation:

105 = -5t^2 -10t + 180

-75 = -5t^2 -10t

15 = t^2 +2t

t^2 +2t -15 = 0

(t+5)(t-3)

t = -5, 3

There's no such thing as negative time so you use the positive answer

PLEASE HELP ME ANYONE

Answers

Answer:

30+a

Step-by-step explanation:

hope it helps dont report if wrong

What is the slope of the line that passes through the points (-2,-5) and (-3,-6) write your answer in simplest form

Answers

Answer:

y = x - 3

Step-by-step explanation:

8.
If A= {x:xis a factor of 72}
B= {x:%2x+3<2x-3).
C= {x:x<20} and A,B,Ccu.
Where u = {integers), list the
elements of AnBnc.
that small c is subset and the small n is intersection set​

Answers

Answer:

{2, 3, 4, 6, 8, 9, 12, 18}

Step-by-step explanation:

If A= {x: xis a factor of 72}

A = {2, 3, 4, 6, 8, 9, 12, 18, 36, 72}

If B= {x: 2x+3<2x-3).

-2x+3 <2x-3

-2x - 2x < -3-3

-4x < -6

x > 3/2

If

C= {x:x<20}

C = {-∞, 19}

The intersection of the sets AnBnc = {2, 3, 4, 6, 8, 9, 12, 18}

Note that intersection means all the elements common to the three sets

1x +y = -7
1x - y = 3

Answers

cap

Step-by-step explanation: gxetuciv

Help with this plz ASAP

Answers

Answer:

slope is 2 rise, 1 run

-4 is the y intercept

y= 2/1 + -4

Step-by-step explanation:

I hope I wasn't helping I cheat ;-;

u can check this over later

the next algebra test is worth 100 points and contains 35 problems. multiple-choice questions are worth 2 points each and word problems are 7 points each. how many of each type of equation are there? Please leave steps.

Answers

Answer:

29 multiple choice questions, 6 word problems

Step-by-step explanation:

2x + 7y = 100

x + y = 35

y = 35 - x

2x + 7 (35 - x) = 100

2x - 7x + 245 = 100

-5x = -145

x = 29

29 + y = 35

y = 6

There are 6 word problems, which are 42 marks and 29 multiple choice questions for 58.

HELPPPPPPPPPPPPPPP PLZZZZZZZZZZZZZz

Answers

Answer:

basically a calculator

Step-by-step explanation:

Lexington and Louisville, KY are 75 miles apart. If the scale on the map is 1 cm = 5 mi, find the distance on the map between the two cities.

Answers

Answer:

15 cm

Step-by-step explanation:

75 miles / 5 miles = 15

15 * 1 centimeter = 15 cm

Jimmy runs 8 meters per second. His little brother runs 3 meters per second so is given a 40 meter head start. How long will it take Jimmy to catch his little brother? How far into the race will this be?

Answers

Answer:

8 Seconds

Step-by-step explanation:

Since Jimmy runs 8 meters per second, we can multiply 8x8 to find where he will be after 8 seconds.

8x8 = 64

Since Jimmy's little brother runs 3 meters per second, we can multiply 3x8 to find where he will be after 8 seconds.

3x8 = 24

But, remember, Jimmy's little brother had a 40 meter head start. So we have to add 40 to his total.

24+40 = 64

Since Jimmy and his little brother's totals are both the same, Jimmy will catch up to his little brother after 8 seconds.

plsss help (ZOOM TO SEE FULL PIC)

Answers

Answer:

350+280+553=1183

C

Step-by-step explanation:

what is the probability of rolling a 3

Answers

Answer:

1/6

Step-by-step explanation:

Answer:

1/6 if rolled on a dice.

Step-by-step explanation:

There are 6 options on a dice, so 6 is the denominator.

There is only one chance to roll a 3, so 1 is the denominator.

Therefore, the answer would be 1/6.

x + y = 3
x^2 + y^2 = 5
Solve

Answers

Answer:

(1, 2 ), (2, 1 )

Step-by-step explanation:

Given the 2 equations

x + y = 3 → (1)

x² + y² = 5 → (2)

Rearrange (1) expressing y in terms of x by subtracting x from both sides

y = 3 - x → (3)

Substitute y = 3 - x into (2)

x² + (3 - x)² = 5 ← expand and simplify left side

x² + 9 - 6x + x² = 5

2x² - 6x + 9 = 5 ( subtract 5 from both sides )

2x² - 6x + 4 ( divide through by 2 )

x² - 3x + 2 = 0 ← in standard form

(x - 1)(x - 2) = 0 ← in factored form

Equate each factor to zero and solve for x

x - 1 = 0 ⇒ x = 1

x - 2 = 0 ⇒ x = 2

Substitute these values into (3) for corresponding values of y

x = 1 : y = 3 - 1 = 2 ⇒ (1, 2 )

x = 2 : y = 3 - 2 = 1 ⇒ (2, 1 )

HELP
ME
PLEASE THIS IS URGENT

Answers

Answer:

meters/second

Step-by-step explanation:

That's a velocity unit :).

Answer:

Meters/Second

PLEASE HELP ME! I WILL MARK BRAINLIEST IF YOU ARE CORRECT

Answers

Answer:

B

Step-by-step explanation:

The value of the polynomial for x = 3 is the value of P(3)

P(3) = 2(3)³ - 7(3)² + 7(3) - 12 = 54 - 63 + 21 - 12 = 0 → B

which of the following is not a function​

Answers

D is not a function

HURRYYYYY

What does "Slope-Intercept Form" look
like?

Xb+c=y
y = mx + b
y2 - 71
X2 - X1
AX + By = 2

Answers

Answer:

y=mx+b

Step-by-step explanation:

the second answer

y=mx+b m=slope b=y intercept

Forty students went on a trip on Wednesday. On Thursday, 15% less students went on a similar trip. How many students went on the trip on Thursday?

Answers

Answer:

34

Step-by-step explanation:

40 * .15= 6

40-6 = 34

okkk so you do 40 * .15 because you just put a decimal point before all percentages to convert it into number

40*.15= 6

then subtract 6 to the original amount

40-6=34

34 students went on the trip on thursday cause 6 students got killed by bears in the last trip.



Like terms are two or more
[ Seleccionar ]
that have the same
[ Seleccionar
raised to the same [Seleccionar ]

Answers

1. terms
2. variables
3. powers
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