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
ohaa [14]
3 years ago
5

a carpenter needs 30 rafters, each 380cm long. find the total length of rafters in meters. (2 steps)

Mathematics
1 answer:
enot [183]3 years ago
4 0
The answer is 114 meters
You might be interested in
the perimeter of a rectangular garden is 84 feet. write and solve the system of equations that can be used to find the dimension
scoray [572]

Answer:

The length is 22.5 and the width is 19.5

Step-by-step explanation:

          2L + 2W = P

                     \/

          2L + 2W = 84

                     \/

W + 3 + W + 3 + W + W= 84

                     \/

          4W + 6 = 84

                     \/

                4W = 78

                     \/

     W = 19.5      L = 19.5 + 3 = 22.5

I hope this helps, have a nice day! :D

6 0
3 years ago
Suppose you want to fence in some land along the edge of a straight river. the fenced area will be in the shape of a rectangle,
m_a_m_a [10]
For the largest area, half the fence is used parallel to the river, and the other half is used for the two ends of the rectangular space.

The dimensions are 475 m by 237.5 m.

_____
Let x represent the length along the river. Then the area (A) is found as
.. A = x*(950 -x)/2
This equation describes a parabola with its vertex (maximum) halfway between the zeros of x=0 and x=950. That is, the maximum area is achieved when half the fence is used parallel to the river.

7 0
4 years ago
What is Yasmeen's annual salary if her salary per fortnight is $1610?<br><br><br><br>​
Oksi-84 [34.3K]

Answer:

$41,860.

Step-by-step explanation:

Weekly salary = 1610 / 2 = $805.

There are 52 weeks in a year so her annual salary

= 805 * 52 = $41,860.

8 0
3 years ago
11. Jim travelled at a speed of 18km/h for 2 hours. What was the distance covered?​
Igoryamba

Answer:

d = 36 km

Step-by-step explanation:

Speed of Jim, v = 18 km/h

Time, t = 2 hours

We need to find the distance covered. We know that the speed of an object is equal to the distance covered by it divided by total time taken.

v=\dfrac{d}{t}\\\\d=v\times t\\\\d=18\ km/h\times 2\ h\\\\=36\ km

So, he will cover 36 km.

7 0
3 years ago
How to find the zeros of f(x)=5(2x-5)(5x+4)
Elenna [48]
If xy=0 we assume x and y equal 0

so

the zeros are wehre f(x)=0
0=5(2x-5)(5x+4)
set each to zero
5 is not equal 0 so we don't do that

0=2x-5
5=2x
5/2=x

0=5x+4
-4=5x
-4/5=x

zeroes at x=5/2 and -4/5
3 0
3 years ago
Read 2 more answers
Other questions:
  • 4+3[-4(-4)+1]<br>How do we evaluate this
    8·1 answer
  • The volume of a cylinder is 4pi x(3) cubic units and its height is x units. Which expression represents the radius of the cylind
    12·2 answers
  • A wire is needed to support a vertical pole 18 feet high. The cable will be
    5·1 answer
  • assume the age of night school students is normally distributed. A simple random sample of 24 night school students had an avera
    15·1 answer
  • 23/50= ?% please help
    5·2 answers
  • Find the derivative in the form dy/dx
    12·1 answer
  • Help please with this answer ​
    10·2 answers
  • Choose the equations that are equivalent. Select all that apply.
    7·1 answer
  • I will mark brainliest!!
    9·2 answers
  • A researcher is comparing the effectiveness of three devices designed to help people who snore. There are 210 people who snore p
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!