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
Shalnov [3]
3 years ago
14

PLSSSS HELP!!

Mathematics
1 answer:
Rus_ich [418]3 years ago
7 0

Answer:

31.25 in²

Step-by-step explanation:

Surface area of triangular pyramid

Perimeter, P = 4s = 4 * 2.5 = 10 inches

Lateral surface area = 0.5 * P * height = 0.5 * 10 * 5 = 25 inch²

The base area = s² = 2.5² = 6.25 inch²

Hence, surface are ao triangular pyramid ;

Lateral surface area + base area

= 25 inches + 6.25 inch²

= 31.25 in²

You might be interested in
How much dose acute angle have
Svetach [21]
Less than 90 degrees
8 0
3 years ago
5 1/2+ 3 2/3+ 1 4/5
Mazyrski [523]

Answer:

10\frac{29}{30}

Step-by-step explanation:

5\frac{1}{2} +3\frac{2}{3} +1\frac{4}{5}

Let us group the integers and the fractions.

5\frac{1}{2} +3\frac{2}{3} +1\frac{4}{5} = (5+3+1)+(\frac{1}{2} +\frac{2}{3}+\frac{4}{5}  )

= 9+\frac{15+20+24}{30}

= 9+\frac{59}{30}

=9+1\frac{29}{30}

=10\frac{29}{30}

7 0
4 years ago
Two inches is approximately _____. 10 cm 5 cm 500 mm .5 m
k0ka [10]

Answer:

5 cm

Step-by-step explanation:

Since 1 inch is 2.5 cm, you'll haft to double that. Making the answer 5 cm.

5 0
3 years ago
Read 2 more answers
A train travels from Washington DC to new york(225 miles). The train departs at 4:55 PM and arrives in New York at 7:55 PM. What
mylen [45]

Answer:

The average speed is:

\var{v}=75\: miles/h

Step-by-step explanation:

The average speed equation is given by:

\var{v}=\frac{\Delta x}{\Delta t}

Were:

  • Δx is the displacement (225 miles)
  • Δt is the change in time (3 hours)

Then we have:

\var{v}=\frac{225}{3}

\var{v}=75\: miles/h

I hope it helps you!

4 0
3 years ago
pete got 7 items wrong out of 50 on a test. what fraction of the total number of problems did Pete get wrong?
Luba_88 [7]
7/50 would be the answer

4 0
3 years ago
Other questions:
  • Annie has $1,400 in the bank. she takes out $700 for a new computer and then withdraws $120 each week for groceries. how many we
    6·1 answer
  • Please help me!!! :(
    13·2 answers
  • An angle in standard position measures π/2radians, and P(0, 1) is on the terminal side of the angle. What is the value of the co
    15·1 answer
  • To change pounds and ounces to ounces,multiply the pounds by blank. and blank. The ounces? What are the blanks
    15·1 answer
  • Whats 10+-6. is it<br><br>16<br><br>-4<br><br>4<br><br>-16​
    15·2 answers
  • 100 POINTS PLEASE PLEASE HELP I NEED THE ANSWER ASAPP ;(
    13·2 answers
  • point C(4,2) divides the line segment joining points A(2,-1) and B(x,y), such that AC:CB=3.1. what are the coordinates of point
    9·1 answer
  • Solve for x x/6 = 12
    11·1 answer
  • Which graph best represents the equation y = 3x - 2?
    5·2 answers
  • Compare 9 to ー9 using &lt;, > or , = to make a true statement.
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!