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
navik [9.2K]
3 years ago
12

How do I do number three help pleaseeeeeeee

Mathematics
1 answer:
posledela3 years ago
4 0
I got 36. I did 5-2=3, 3•180=540, 540/5=108, 180-108=72, and 72/2= 36
You might be interested in
the length of a soccer pitch is 20 m less than twice its width. the area of the pitch is 6000m^2. find its dimensions.
Setler79 [48]
X=width of a coccer pitch
2x-20=length of a soccer pitch
Area (rectangule)=length x width
We suggest this equation:
x(2x-20)=6000
2x²-20x=6000
2x²-20x-6000=0
x²-10x-3000=0
We solve this quadratic equation:

x=[10⁺₋√(100-4*1*-3000)]/2=[10⁺₋√(100+12000)]/2=
=(10⁺₋110)/2
we have two solutions:
x₁=(10-110)/2=-50, invalid solution.
x₂=(10+110)/2=60

x=60
2x-20=2(60)-20=120-20=100

Solution: the length is 100 m, and the width is 60 m.

To check:
Area=100 m*60 m=6000 m²
The twice of width is =2(60 m)=120 m,
20 m less than twice its width is: 120 m-20 m=100 m=the length.


8 0
3 years ago
What is the equation of a line perpendicular to y= 3x +6 that crosses the ordered pair (3,2).
jasenka [17]

Answer:

y=-\frac{1}{3}x+3

Step-by-step explanation:

5 0
2 years ago
Plz answer these questions without putting links and files
kotykmax [81]

Answer:

11/8 and 21/16

Step-by-step explanation:

3 x 1 = 3

4 x 2= 8

3/8+3/4(convert to eighth's)

3/8+6/8=11/8

1 1/8 = 9/8

9 x 1 = 9

8 x 2 = 16

9/16+3/4(convert to sixteenth's)

9/16+12/16

21/16

---

hope it helps

8 0
3 years ago
Read 2 more answers
Find an equation in the form y=ax^2+bx+c for the parabola passing through the points.
Maurinko [17]

Answer: x^2+7.0x-5.0x

Step-by-step explanation:

6 0
2 years ago
2y=12x-10 and y+=6x+12 Do the lines intersect, coincide, or are they parallel? 50 pts and ill give brainly to correct answer
NikAS [45]

Answer:

parallel

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Other questions:
  • What are three rational numbers with values between 1/2 and 3/4 ?
    14·1 answer
  • !!!!! PLS HELPPPPPPP !!!! Currency exchange rates are constantly fluctuating. How might this affect the currency exchange plans
    10·2 answers
  • What figure is number 11
    8·1 answer
  • A -6x+5y&gt;-30<br> B -6x+5y&lt;-30<br> C 5x-6y&lt;-30<br> D 5x-6y&gt;-30
    10·2 answers
  • Explain why the difference of two polynomials will always be a polynomial
    6·1 answer
  • A lot of 25 skylight covers are received at your construction site, and before installation are subjected to an acceptance testi
    6·1 answer
  • IF PROBABILITY RANDOMLY CHOSEN ATHLETE IS A SWIMMER IS 0.65, THEN WHAT IS THE PROBABILITY CHOSEN ATHLETE IS NOT A SWIMMER? GIVE
    12·1 answer
  • Rudy is training for a race. On Monday he ran 2
    14·1 answer
  • Answer if you are right you will get brainiest Pls . Ps you get 20 points. I have a lot of work to do.
    13·1 answer
  • Multiply and simplify:<br> (1 - 5i)(1 -2i)
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!