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
Luda [366]
3 years ago
14

4 bags of cement do 18 m² how many m^2 can be done with seven bags

Mathematics
1 answer:
lisov135 [29]3 years ago
7 0

Answer:

31.5 m^2

Step-by-step explanation:

To find the amount for 7 bags, create a proportion.

\frac{4}{18} =\frac{7}{y}

To solve for y, cross multiply numerator to denominator of each fraction.

4(y) = 18(7)

4y= 126

y= 31.5

7 bags will do 31.5 m^2

You might be interested in
1. Forrest is purchasing a car priced at $7,299. His down payment is $299 and his monthly payments are $165 per month for 48 mon
stiv31 [10]
$165 x 48 = $7920 which is what he has to pay in total for 48 months
$7920 + $299 = $8219 
therefore, the total he pays for his car is $8219 :) 
5 0
3 years ago
I need help asap<br> i need to know how to show work pls help
Alona [7]

Step-by-step explanation:

add all the freqency up which is 100

you have to use a customize spinner and put in all the colors that are all on the side...

Spin 150 times ( 250-100= 150) and put tally marks on the sheet of tallys.

Then count all you red and see.

Hope all that makes sense..

7 0
2 years ago
The complex numbers w
solmaris [256]

w=\dfrac{1+i+i}{i(1+i)+2}\\\\w=\dfrac{1+2i}{i-1+2}\\\\w=\dfrac{1+2i}{1+i}\\\\w=\dfrac{(1+2i)(1-i)}{1+1}\\\\w=\dfrac{1-i+2i+2}{2}\\\\w=\dfrac{3+i}{2}\\\\w=\dfrac{3}{2}+\dfrac{1}{2}i

5 0
3 years ago
I have a 5. In my ones place.The digit in my tens place is. 3 plus the digit in my ones place.The digit in my. Hundreds place is
Nat2105 [25]

Answer:

The number is 385.

Step-by-step explanation:

Digit in ones place = 5

Let the digit in tens place be x

Let the digit ion hundreds place be y.

Digit on tens place is 3 plus the digit in my ones place:

x = 3 + 5 = 8

Digit on hundreds place is 2 less that the digit in my ones Place :

y = 5 - 2 = 3

(yx5) = (385)

The number is 385.

3 0
3 years ago
Assume that y varies directly with x then solve y = 2.5 x = .5 when x = 20
velikii [3]

Step-by-step explanation:

y=2.5| ?

x=0.5| 20

It'll be criss-crossed then it'll be:-

2.5×20=50

5 0
3 years ago
Other questions:
  • 5n2+100=30n , need help explaining how you would work this out
    8·1 answer
  • the price of a box of cereal was $2.00 at the beginning of a year.At the end of the year, the price of a box of the same type of
    9·1 answer
  • If the Earth has revolved exactly once around the Sun since the last time that Samson went to the zoo, how much time has passed?
    10·2 answers
  • Teach &amp; help me pls?
    5·1 answer
  • What is a true statement comparing the graphs of x^2/6^2 = 1 and x^2/8^2-y^2/6^2=1
    12·1 answer
  • In the mid term test Jesse scored 92%,89% and 90%.What was her main score​
    5·2 answers
  • A patch of six cans of coffee cost $12 how much would 19 cans of coffee cost
    15·1 answer
  • 9 Below are the results of two polls of random samples of high school seniors
    5·1 answer
  • There is a ratio of 5 boys to 11 girls in our class. What is the total number of students if there are 6 boys?​
    7·1 answer
  • 30 POINTS!! Find the equation of the axis of symmetry of the parabola. Each box in the grid represents 1 unit.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!