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
Ostrovityanka [42]
4 years ago
10

With a quick explanation please

Mathematics
1 answer:
Tju [1.3M]4 years ago
6 0
\dfrac{40}{5x-2}=\dfrac{55}{6x+6}\ \ \ |\text{cross multiply}\\\\40(6x+6)=55(5x-2)\\\\240x+240=275x-110\ \ \ |-240\\\\240x=275x-350\ \ \ \ |-275x\\\\-35x=-350\ \ \ \ \ |:(-35)\\\\\boxed{x=10}

Look at the picture.

You might be interested in
Units are squared when dealing with area but not when dealing with perimeter
Mashcka [7]
The answer is true I believe 
7 0
4 years ago
70%70, percent of a number is what fraction of that number?
lesantik [10]

Hello there!

A number that is 70% of a number is 7/10 of that number in fraction form!

I hope this was helpful and have a great rest of your day!

3 0
3 years ago
Read 2 more answers
F(x)=4^x+3 , what is the value of f(3)
Nastasia [14]

Answer:

f(x)= 67

Ermmmmm?mmmmmmmmmmmmm

4 0
3 years ago
Slope= -2, y-intercept=5
vlabodo [156]

Answer:

y = -2x+5

Step-by-step explanation:

The formula for slope is y=mx+b.

(m = slope and b = y-intercept)

Plug in the numbers and you get your equation.

6 0
3 years ago
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
xxTIMURxx [149]

Area=

\pi \times r {}^{2}

1)To find radius diameter/2

21.5÷2=10.75

10.75 {}^{2}  \times \pi = 362.87

area =362.87cm

2)

\pi \times 13.2 {}^{2}  = 547.39

area=547.39cm

6 0
3 years ago
Read 2 more answers
Other questions:
  • Passes through(4,7)Slope=2
    5·1 answer
  • Please Help !!! Picture shown.
    13·2 answers
  • What is the difference-6-(11)
    5·2 answers
  • Mario travels 180 miles in 2.5 hours of Mario travels at the same right how far can Mario travel in 12.5 hours
    6·2 answers
  • What is the area of a circle with a radius of 87.1 cm?​
    7·2 answers
  • An elephant at the zoo drinks 88 gallons of water each day. The table shows the number of days the elephant drinks water and the
    7·2 answers
  • 25 points! Please help!
    8·2 answers
  • Please help me! <br><br> ty :)
    10·2 answers
  • First to answer gets brainliest and 5 stars
    15·2 answers
  • Elizabeth bought some orange juice from a store. The orange juice cost $3.58 for 11 fluid ounces. She wants to buy more fruit ju
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!