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
salantis [7]
3 years ago
10

Pls help due in 10 mins

Mathematics
1 answer:
nikitadnepr [17]3 years ago
8 0

Answer:

Area = 97.4 cm²

Step-by-step explanation:

a = 15 cm

        Area = \frac{ \sqrt 3}{4} a^2\\

                 =\frac{\sqrt 3}{ 4 } \times 15^2\\\\=\frac{\sqrt 3}{ 4 } \times 225\\\\= 97.4 \ cm^2

You might be interested in
The mystery first name of a student in the class does not begin with A, B, C, D, E, or F. the names first letter comes before S,
erastovalidia [21]
R. The First letter comes before S, T, U, V, and W
8 0
3 years ago
Read 2 more answers
Examine the table of equivalent ratios and complete this statement. For 5 servings, the ratio of cups of water to cups of juice
shepuryov [24]

Answer:

Step-by-step explanation:     This is five-fold proportion

The first ratio gives solution namely

We will write general proportion  

a:b= c:d= e:f = g:h= i:j = k

According to this the first ratio gives coefficient k

When we divide 24/2 =12 our coefficient k=12

In the second ratio we will multiply 3 with 12 and get 36.

In the third ratio we will multiplu 5.5 with 12 and get 66.

In the fourth we will divide 108 with 12 and get 9.

In the fifth we will multiply 15 with 12 and get 180.

Finally the ratio is 24:2=36:3=66:5.5=108:9=180:15

3 0
3 years ago
Read 2 more answers
On a trip last summer, I used 20 gallons of gas to travel 600 miles. At this rate, how much gas
Reptile [31]

Answer:

45,000

Step-by-step explanation:

You should divide 20 by 600 to see how many miles he would run per mile

and you take 30 x 1,500 to get your answer

8 0
2 years ago
At time​ t, the position of a body moving along the​ s-axis is sequalsnegative t cubed plus 15 t squared minus 72 t m. a. Find t
larisa [96]

Answer:

Step-by-step explanation:

Given that at time t, the position of a body moving along the​ s-axis is sequalsnegative t cubed plus 15 t squared minus 72 t m

i.e. s(t) = -t^3+15t^2-72 t

Velocity is nothing but s'(t) = derivative of s

and acceleration is s"(t) = derivative of v(t)

v(t) = -3t^2+30t-72\\=-3(t^2-10t+24)\\= -3(t-6)(t-4)

a) v(t) =0 when t = 4 or 6

b) a(t) = -6t+30

a(t) =0 when t =5

c) Distance travelled by the body from 0 to 5 would be

s(5)-s(0)\\= -5^3+15(5^2)-72(5)\\= -125+375-360\\=-110

i.e. 110 miles (distance cannot be negative)

3 0
2 years ago
PLEASE HELP! I don’t understand how to do it :(
SVEN [57.7K]

r/s ×3

calculate the product

r×3/s

use the commutative property to reorder the terms

Answer : 3r/s

PLEASE MARK ME AS BRAINLIEST

3 0
3 years ago
Read 2 more answers
Other questions:
  • Somebody help me on this real quic plz
    14·1 answer
  • .01)Armando is arranging his art project, science project, and math project on his desk. The tree diagram below shows the sample
    15·2 answers
  • How do you find slope
    10·1 answer
  • I don't understand this, can someone help?
    9·1 answer
  • Pls help me answer this maths equation
    13·2 answers
  • Which value is a solution of the inequality 9 >_ 1/2x
    12·1 answer
  • In a sequence the first term is 7 and the common difference is 2 what is the fifth term
    10·2 answers
  • Help pls fast im on an test
    9·1 answer
  • What is the length of the unknown leg in the right triangle?
    14·1 answer
  • Find the equation of the linear function 'g' going through (20,5) and (-5,-8). Use 'u' for your input variable.
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!