1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
MAVERICK [17]
3 years ago
14

A piece of art is in the shape of an equilateral triangle with sides of 7 inches each. Find the area of the piece of art to the

nearest tenth. Explain how you know.
Mathematics
1 answer:
gtnhenbr [62]3 years ago
8 0

Answer:

21.2 in²

Step-by-step explanation:

The area of an equilateral triangle is given as :

Area, A = √3/4 * a²

Where, a = side length of the equilateral triangle

a = 7 inches ; Recall that all sides of an equilateral triangle are the same.

Put a = 7 in the equation :

A = √3/4 * a²

A = √3/4 * 7²

A = 0.4330127 * 49

A = 21.217 in²

Area, A = 21.2 in²

You might be interested in
How many tons are in 6,000 pounds ?
bagirrra123 [75]

Answer:

3

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Solve for x rounded to the nearest hundredth: 10 - 3x = 5
igomit [66]

Answer:

x = 5/3

Step-by-step explanation:

You ALWAYS want your term to be by itself!! So what you need to do is move your constant away from it.

Step 1: Adjust as needed, subtract 10 from both sides of your equation. It should end up like this.

-3x = 5 - 10

Step 2: Solve as needed before continuing equation.

-3x = -5

Step 3: Now you need to get your term by itself. You should divide -3 on both sides of your equation so you should get something like this.

x = -5 / -3

Step 4: You're basically done now! Just simplify! NEGATIVES CROSS EACH OTHER OUT!!!

x = 5/3 OR 1.6

<em>KEY:</em>

<em>Negative and Negative = Positive</em>

<em>Negative and Positive = Negative</em>

<em>Positive and Positive = Positive</em>

4 0
3 years ago
Which notation best represents the phrase “no more than 200”
Lilit [14]

Answer:

X<_200

Step-by-step explanation:

We know that if the number connot be more than 200 then the number is less than or equal to 200

7 0
3 years ago
In Mr. Hamilton's classroom, there are 16 supply boxes in the cabinet. Each supply box
gulaghasi [49]

Answer:

12

Step-by-step explanation:

192/16=12

5 0
3 years ago
Please answer number 16. please explain the steps
oksano4ka [1.4K]

Answer:

X = -2 and 4

Step-by-step explanation:

Move all of the terms to one side and set the equation to 0:

2x^2-14x+40-3x^2+16x-32 = 0

Then combine all like terms which would look like the following:

-x^2 + 2x + 8=0

Change the signs on both sides of the equation:

x^2 - 2x - 8 =0

Write -2x as a difference:

x^2 + 2x - 4x -8 = 0

Factor the expression:

x(x+2) x 4(x+2)=0

Factor out x+2 from the equation:

(x+2) (x-4)=0

Split into classes and then find the answer from there:

x+2=0

x-4=0

8 0
3 years ago
Read 2 more answers
Other questions:
  • Oliver reads 28 1/2 pages of a book in 1 1/6 hours. Express his reading speed in pages per hour
    5·2 answers
  • The endpoints of a line segment graphed on a Cartesian coordinate system are (4, 1) and (-2, -4). What are the coordinates of th
    14·2 answers
  • Need help with the rest of my problems
    15·1 answer
  • What is 1 plus 1 minus 2 plus 3
    7·2 answers
  • Hey, I need help on this assignment
    14·1 answer
  • A large block of ice is melting and losing 5 grams of mass every minute. After 11 minutes, the ice has lost 70 grams. Assume the
    14·1 answer
  • Simplify 3^2 * 3^(-5). Express your answer as a fraction
    5·1 answer
  • The product of two consecutive odd integers is 399. What equation would be used to solve
    14·1 answer
  • PLEASE PLEASE HELP I WILL GIVE BRAINIEST! SOS!<br> What's 1+1<br> please help
    7·2 answers
  • How did Odysseus defeat the cyclops?
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!