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
snow_lady [41]
3 years ago
15

15 men can dig a trench of 90 m long in

Mathematics
2 answers:
Iteru [2.4K]3 years ago
8 0

Answer:

1.5 hours= 1hr 30m

Step-by-step explanation:

90÷15=6

6÷2=3

48÷16=3

3÷2=1.5

Mark me as brainliest if u found it helpful

jeyben [28]3 years ago
5 0

Answer:

1.5 hours= 1hour and 30 minutes

Step-by-step explanation:

90÷15=6

6÷2=3

48÷16=3

3÷2=1.5

You might be interested in
Let x represent the side length of a square. Find a regular polygon with side length x whose perimeter is twice the perimeter of
padilas [110]

Answer:

Step-by-step explanation:t55

An octagon has 8 sides. If each of them has a length of x, then the perimeter is 8x which is twice the perimeter of the square. (The square has a perimeter of 4x)

A dodecagon is a 12 sided regular polygon. It will have 12 sides all of which are equal to x. Since the square has a perimeter of 4x and the dodecagon has a perimeter of 12x the perimeter of the dodecagon is 3 times that of the given square.

7 0
2 years ago
[(17-9) x (3x2)] / 2
andrezito [222]

Answer:

-18.5

Step-by-step explanation:

6 0
3 years ago
These graphs depict the price and output levels of apples under perfect competition and monopoly market structures. what is the
Ksivusya [100]

The extra amount that Mary would pay for apples under a monopoly instead of perfect competition is B. $3

<h3>Calculations and Parameters:</h3>

From the complete information,

There are images of the prices that can be gotten under a monopoly and the ones that can be gotten in a perfect competition by Mary.

The marginal cost which is graphed against the pound of apples and the price shows Mary would pay $15 and the marginal revenue shows that Mary would pay $12.

Hence, the difference between them, which is the extra amount to be paid would be $15-$12

=$3

Read more about perfect competition here:

brainly.com/question/3914700

#SPJ4

6 0
1 year ago
Simplify 1/9^-3? <br> A. 1/-27 <br> B. 9^3 = 729 <br> C.1/-729 <br> D. 9^-3 = -27
Natali [406]
Exponent rule : a^-b = 1 / (a^b)

1/9 ^-3 =
1 / (1/9^3) =
1 / (1^3) /(9^3) =
1 / (1/729) =
1 * 729/1 =
729

ur answer is B
8 0
2 years ago
Read 2 more answers
Please Help will award brainliest
EastWind [94]

Answer:7

Step-by-step explanation:

Remember,

PEMDAS

Begin by 3 / 1/3 = 1

1+1=2

9-2 = 7

3 0
3 years ago
Other questions:
  • Help please!!!!!!!!!!!!!!!!!
    9·1 answer
  • If f(x) =2x-6 , f(h+9)
    12·1 answer
  • Harry plotted a new point Q that partitioned the directed segment from A to B into a 1:1 ratio. A. Find point Q given that A(6,
    12·1 answer
  • Place parentheses in the expression so that it equals the given value. 12 x 2 + 2^3
    5·1 answer
  • Bashir works in a weather station and has launched a weather balloon. The height of the balloon is 4 kilometers and it is 1 kilo
    10·2 answers
  • Plot the following points in the number line, -1/4, 1 1/2, 0.75 (PLS ANSWER ASAP)
    13·1 answer
  • Determine the degree of the following polynomial: - 4x + 10
    7·1 answer
  • Can someone teach me how to solve this please
    5·2 answers
  • Graph the function using its vertex, axis of symmetry, and intercepts.<br> f (x) = x2 – 12x + 36
    15·1 answer
  • 5. A cube has edges 4 inches long. Susan plans to completely cover each face of the cube with square pictures that are 2 inches
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!