If the perimeter of an equilateral triangle is 60 cm, then what is its area?

Answers

Answer 1
Hello! The Perimeter is = 60cm
1 side = 60/3 = 20 cm
√s(s-a)(s-b)(s-c)s(s−a)(s−b)(s−c)

s = 30

√30(30-20)(30-20)(30-20)

=√30×10×10×10=√30000cm²

The Area is = 100√3 cm²
Answer 2
P=60/3
=20
a+b=c
C-b=a
40p-100=root 300
100root3

Related Questions

If the volume of the solid below is 440 cubic inches, what is the height of the solid?

Answers

Answer:

Height= 11

Step-by-step explanation:

V= l x w x h

4 x 10 x ? = 440

?= 11

Answer:

40

I did the 4 x the 10 and you get 40 (I dont get english very good)

I am sorry if I was wrong :)

109.25714 x 0.0876 = 9.56 (sales tax)
helppp

Answers

Answer:

9.570925464=9.56

Step-by-step explanation:

multiply the numbers:

109.25714×0.0876=9.56

9.570925464=9.56

Hope this helps!!!

Find the circumference of the circle

Answers

Answer:

22cm

Step-by-step explanation:

[tex]\pi7 \\ [/tex]

BRAINLIEST
5/6 + 3/6

Add. Simplify and reduce your answers to the lowest terms.




A.8/6

B.1 1/3

C.8/12

D.3/4

Answers

Answer:

B. 1 1/3

Step-by-step explanation:

[tex]\frac{5}{6} + \frac{3}{6} = \frac{8}{6}[/tex]

[tex]\frac{8}{6} = \frac{4}{3}[/tex]

three can go into 4 once, so we have a whole number of 1 and a leftover 1/3.

= [tex]1\frac{1}{3}[/tex]

hope this helps :)

What value added to the set below would give a mean of 33?

{19, 27, 64, 36}
19

30

27

42

Answers

Answer is 19

If you add all of the numbers together including 19. You would get 165, then divide the total by 5. Your answer would be 33!

Answer:

19

Step-by-step explanation:

Given:

data = [19,27,64,36]mean value = 33

To find:

another data / last data

Therefore:

New data is 19,27,64,36,xWhere x is an unknown value/data.

Mean Value:

[tex]\displaystyle \large{m=\dfrac{1}{n}\sum_{i =1}^n x_i \to \dfrac{x_1+x_2+x_3+...+x_n}{n}}[/tex]

m = mean valuex1+x2+x3+...+xn = sum of all datan = amount of data

Therefore:

[tex]\displaystyle \large{33=\dfrac{19+27+64+36+x}{5}}[/tex]

Solve for x - first, multiply both sides by 5 to clear out the denominator:

[tex]\displaystyle \large{33\cdot 5=\dfrac{19+27+64+36+x}{5} \cdot 5}\\\displaystyle \large{165=19+27+64+36+x}[/tex]

Evaluate the sum:

[tex]\displaystyle \large{165=146+x}[/tex]

Subtract both sides by 146:

[tex]\displaystyle \large{165-146=146-146+x}\\\displaystyle \large{19=x}[/tex]

Therefore, another value/data that will give a mean value of 33 is 19.

Solve the following problems. Show your work.

1. A game designer used 9 ounces of clay to make 24 identical pieces for a game. What is the number of ounces of clay that were used for each piece?

2. The equation x + 5 = 12 can be solved using one step. What is the step? Explain.

3. Yvonne’s age, in years is represented by y. Rebekah’s age is one year less than three times Yvonne’s age. What expression represents Rebekah’s age in years?

4. Students in a science class measured rain by writing down the depth of water in a bucket that collected the rain. The bucket was empty before the rain began to fall at a steady rate. Over a 6-hour period during school. After 3 hours, the water had a depth of 18 millimeters. What is the unit rate in millimeters per hour, did the bucket fill after rain started to fall at a steady rate?

5. Laura uses 3 yards of fabric to make 2 skirts. She uses the same amount of fabric to make each skirt. At this rate, what is the total amount of fabric, in yards, she needs to make 6 skirts?

Answers

Answer:

1. 9/24 = 0.375 ounces

You have 9 ounces of clay that make up 24 pieces therefore you need to divide the 9 by 24 to work out how much clay is used for one piece

2. X=7

To solve the equation you want x to be on its own. To do this you need to minus the 5 from the left. But what you do to one side you must do to the other so x=7 because 12-5=7

3. 3y-1

To get three times yvonnes age you need to multiple y by 3 making it 3y. You then need to take off one year which quite simply makes the expression 3y-1

4. 18/3= 6mm

You divide the total depth by the number of hours to get 6mm.

5. 3x3=9 yards

6 skirts is three times as many skirts as 2 skirts (6/2=3) and because Laura uses 3 yards for every 2 skirts you multiple 3 by 3 to get the 9 yards

Hope this helps :)

-brainliest and show the work on how to get the answer- look at the picture

Answers

Answer:

a.

First minute: 8Second minute: 24.08

b.

3.01 so about 3x bigger.

Step-by-step explanation in picture below:

[tex]Hope.this.helps!\\Have.a .good.day! :)[/tex]

Which is different?

A. What is the area of a circle with a diameter of 1 m?
B. What is the area of a circle with a radius of 100 cm?
C. What is the area of a circle with a diameter of 100 cm?
D. What is the area of a circle with a radius of 500 mm?

Find “both” answers. Use 3.14 for pi.
1. The answer to the "same" question is ?? cm².

2.The answer to the "different" question is about ?? cm².

Answers

Answer:

Dino Alana sabot idol hahaahhha sorry atlaaga

Answer:

don't know, but I think it's c or b try to Use the formula. The circumference of a circle is found with the formula C= π*d = 2*π*r. Thus, pi equals a circle's circumference divided by its diameter.

Step-by-step explanation:

Convert 4.08 to a fraction.

Help me please.

Answers

Answer:

4/8

Step-by-step explanation:0.n is = to 10. 4 is the numerator. So it would be 4/8

Answer:

4 8/10

Step-by-step explanation:

Since 4 is in the ones place, that means it will be a mixed fraction. Next, make the 0.8 into a fraction by making it into 80/100. Simplify, and then you will get 8/10. That's how you get 4.08 into 4 8/10.

What is the volume of this rectangular pyramid?
____ cubic centimeters

4cm
3cm
3cm
Question is attach,
Thanks

Answers

you have to multiple all the numbers together






answer: 36
the answer is 36 , multiply each number then you have your answer!

During a clearance sale, Archer bought a DVD-player which was regularly priced $320 at a discount of 25%. In addition, he had to pay 5% tax. If Archer had to put 10% of what he had to pay including tax as down payment, how much money did he have to pay for the down payment?

Answers

Answer:

The answer is : 25.20

Step-by-step explanation:

The selling price of the player: 320×(100%-25%) = 240

The total payment with tax: 240×(100%+5%) = 252

The down payment: 252×10% = 25.20

Where is the balance point located?
A
B
C
D
E

Answers

Answer:

C i hope it helps I might be wrong do

The answer is C I did this

25x4
A) 800
B) 35
C) 52
D) 100

Answers

Answer:

D) 100

If 25 is a quarter (one-fourth) of 100, multiply 25 by 4 to get 100, the full amount.

In Class 1, what is the median score? A) 70 B) 70.5 C) 71.5 D) 72

Answers

Answer:

B)  70.5

Step-by-step explanation:

Median = middle value when the values are placed in order.

If there are two middle values, the median is the mean of those two values.

Class 1

45 46 51 52 53 53 61 63 64 65 66 68 70 70 71 73 76 77 79 81 82 83 84 87 90 92 93 95

There are 28 values in Class 1.

Therefore, there are two middle values: 14th and 15th values

14th value = 70

15th value = 71

[tex]\implies \textsf{Median}=\dfrac{70+71}{2}=70.5[/tex]

Answer:

70.5

Step-by-step explanation:

A shoebox is 14 inches long and 9 1/2 inches wide. Its volume is 665 cubic inches. Which equation can you use to find how tall the shoebox is, h? How tall is the shoebox?

Answers

Lets see

Volume=Length ×Breadth ×Height

B=9 1/2=9.5in

L=14in

Now

665=14(9.5)H665=133HH=5in

Am I correct, and if not, what is the right answer?

Answers

Yes your answer is correct.

5m 5m 4m 6m 7m please help

Answers

Answer:

The surface area would be 76m square!

Step-by-step explanation:

Answer:

The surface area would be 76m square!

Step-by-step explanation:

Because if you add everything it equals 76 hope this helps

BRAINLIEST!!!!!
ANSWER THE QUESTIONS!!!

Answers

1.B

2.C

3.D

4.D

Step-by-step explanation:

B C D D i think :)) annan

there were 50 people at the birthday party. Joan invited 125 people. Of those who attended, only 36% brought gifts. How many guests brought gifts?

Answers

Answer:

45

Step-by-step explanation:

Times 125 by 0.36 and you'll get 36% of 125

:]

109.25714 x 0.0876 = 9.56 (sales tax)
helppp step by step on how they did this

Answers

Answer:

9.570925464=9.56

Step-by-step explanation:

multiply the numbers:

109.25714×0.0876=9.569.570925464=9.56

(Just so you know i put this answer in the other question you asked.)

Hope this helps

Wayne's stamp collection has fewer than 74 stamps. Which of the following inequalities represents the number of stamps in Wayne's collection?

Answers

Answer:

A. x < 74

Step-by-step explanation:

Wayne has fewer than 74 stamps so it cant be equal to( = ) or greater than( > ) 74, so it has to be 'x is less than( < ) 74'

The answer is A because there is LESS than 74 stamps.

Each evening, Billy jogs around the high school track at a constant rate. The following equation describes the relationship between t, the time he jogs in hours, and d, the distance he jogs in kilometers. d = 7t Which graph represents the relationship between the amount of time Billy jogs and the distance he jogs?

Answers

Answer is a so yeah

A spinner is decided in equal parts colored red, green, or yellow. The probability of landing on the red is TWICE the probability of landing on green. The probability of landing on green is THREE TIMES the probability of landing on yellow. What is the probability of landing on red?

Answers

Answer:

9:3

8:7

Step-by-step explanation:

you divultiply

Andy got 45% of the 80 words right in his spelling quiz .How many words did he get wrong?

Answers

the closest is around 44 percent

Can someone help me please?
I provided 1 picture and i will be providing another one (the bottom half which is only 2 questions) on another question!

Answers

For the first question you shade in the bar to the 20% mark as she has saved 20% of the money needed for her jacket. To complete the bar you add the amount of how much each percentage is in dollars. We know 20%=$15 and the percentage goes up 20% each time so you keep adding $15 on. For question 2 the bar is half way between 0 and 20 and half of 20 is 10. As 10 is half of 20 we half 15 to get $7.50

Answer:

i dont know

Step-by-step explanation:

help pleasee look at the image below

Answers

Answer:

A - <KOL and <LOM

Step-by-step explanation:

Adjacent angles are angles that share a common side and a common vertex together. Basically those angles touch each other. Over here in the image, if you compare the answer choices to the picture, only one pair of angles is adjacent. And that is <KOL and <LOM (answer choice A).


hope this helps!

Answer=A
Hope you pass good luck!!

I will give brainliest if you are right

Answers

Answer:

C

Step-by-step explanation:

The base is usUally the one close to A

Answer:

C

Step-by-step explanation:

Helpppppppppppp anyone?

Answers

Answer:

D is the correct answer

Step-by-step explanation:

cylinder volume equation: v=[tex]\pi[/tex][tex]r^{2}[/tex]h

Water heater x= [tex]\pi[/tex](8.5)^2 x 48= 10895.04

Water heater y= [tex]\pi[/tex] (9.5)^2 x 44= 12475.26

Water heater z= [tex]\pi[/tex] (10.5)^2 x 32= 11083.54

A is false because water heater Y has the greatest volume

B is false because all the volume are different

C is false because z has the smallest volume

....................

Answers

He spinned the spinners at the top left corner.

left spinner has five options, right spinner has two options.

5*2=10

top left has 10 possible outcomes.

Please help, will give brainliest.

Answers

If the two triangles are congruent,

v=7.9

z=10

y=38 degrees

u=6.2

x=90

w=52

If you don't know how I got these answers, comment and I will clarify.

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