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
10

Please, help me find solution

Mathematics
1 answer:
IgorC [24]3 years ago
8 0
4 + 5 = 9
180 ÷ 9 = 20

Sand = 20×4 = 80
Cement = 20×5 = 100
You might be interested in
How many twentieths equal three-fifths
Nostrana [21]

Answer:

um 2

Step-by-step explanation:

8 0
3 years ago
write an equation to represent the total cost for a certain number of cans. Use "c" for cost and "n" for number of cans​
Allushta [10]

Answer:

C(n)=1.25n

Where n= number of cans

Step-by-step explanation:

C=cost

n=number of cans

Quantity Total cost

1 $1.25

2 $2.50

3 $3.75

4 $5.00

Total cost, c(n) =1.25n

Check

Total cost when n=4

Total cost c(4)=1.25×4

Total cost c(4)=5.00

8 0
3 years ago
To find g(x + 7), what do you substitute for x in the function g(x) = 4x - 2?
AlexFokin [52]

Answer: x+7

Step-by-step explanation:

g(x) = 4x - 2

g(x+7)=4(x+7)-2

Substitute (x+7)

8 0
2 years ago
15 is 9 more than j. <br> As an equation.
Liono4ka [1.6K]
15 is 9 more that j

Let is be the = sign.

Let more than be the + sign.

15 = 9 + j
3 0
3 years ago
Read 2 more answers
Write an expression in simplest form for the perimeter of the figure
dsp73

Answer: 11x + 5y

Step-by-step explanation:

FInd the perimeter by adding all the expressions together.

4x + 5x +  2.8y  + 2x  + 2.2y  Combine like terms

(4x + 5x + 2x)  + (2.8y + 2.2y)

11x + 5y

5 0
3 years ago
Read 2 more answers
Other questions:
  • Solve for f<br> −f+2+4f=8−3f
    10·2 answers
  • What’s the answer to this question
    8·1 answer
  • What is the answer to:<br><br> (45−2)−(−80)
    5·2 answers
  • Which point on the line best represents /10<br>1. F<br>2. G<br>3. H<br>4. E​
    7·1 answer
  • Please help.
    7·1 answer
  • Please explain your answer as well
    12·2 answers
  • Please help<br> f(5)=4(5)+13
    8·1 answer
  • fresh+cranberries+have+99%+of+water.+partially+dried+cranberries+have+98%+of+water.+jack+picked+100+pounds+of+cranberries.+how+m
    10·1 answer
  • A book contains 800 pages and 2 of those pages have pictures.
    10·1 answer
  • HELP ME!!!! 50 POINTS!!!!!
    6·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!