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
Scorpion4ik [409]
2 years ago
13

PLEASE HELP!!!!!!!! !!!!!

Mathematics
1 answer:
sveta [45]2 years ago
8 0

Answer:

-3x exponent 2

Step-by-step explanation:

You might be interested in
The larger of to numbers is 12 more than the smaller. Their sum is 84. What are the two numbers?
Nataly_w [17]
36 and 48

a = b+12
a+b = 84

(b+12) + b =84
2b +12 = 84
2b = 72
b= 36

a = b + 12
a = 36 + 12
a = 48
3 0
3 years ago
5. Suppose that 15% of a 12-gal solution is bleach and
puteri [66]

Step-by-step explanation:

15 percent of solution = 12 × 0.15 = 1.8 Gallons of bleach

12 - 1.8 = 10.2 Gallons of water

5 0
3 years ago
Pls help me answer this :'( !!
alekssr [168]

Answer:

28 inches

Step-by-step explanation:

28×22/7×28

answer will come

7 0
3 years ago
Read 2 more answers
The mass of a rock sample is 25 g and
balu736 [363]

Answer:

given us,

mass= 25g

density= 5 g/ cm2

here,

volume = mass/ density

= 25g/ 5g cm2

= 5cm2

Step-by-step explanation:

cm2 is the square

3 0
3 years ago
Read 2 more answers
Q2) The following travel times were measured for vehicles traversing a 2,000 ft. segment of an arterial: Vehicle Travel Time (s)
adelina 88 [10]

Answer:

TMS = 45.78 m/s

SMS = 45.66 m/s

Step-by-step explanation:

Vehicle Travel Time (s)

1 40.5

2 44.2

3 41.7

4 47.3

5 46.5

6 41.9

7 43.0

8 47.0

9 42.6

10 43.3

Time mean speed and space mean speed are parameters used to express the speed of a group of vehicles in traffic flow.

Time mean speed is given as the average speed of all the cars

The speed for each vehicle is calculated by dividing the (2000 ft) distance by the time taken by each vehicle to complete that segment of the journey.

Let vehicle = V

Travel time = time

Speed = s

V | Time | speed (ft/s)

1 | 40.5 | 49.383

2 | 44.2 | 45.249

3 | 41.7 | 47.962

4 | 47.3 | 42.283

5 | 46.5 | 43.011

6 | 41.9 | 47.733

7 | 43.0 | 46.512

8 | 47.0 | 42.553

9 | 42.6 | 46.948

10| 43.3 | 46.189

TMS = (Σsᵢ)/N

Σsᵢ = (49.383+45.249+47.962+42.283+43.011+47.733+46.512+42.553+46.948+46.189)

Σsᵢ = 457.823

N = number of vehicles = 10

TMS = 457.823 ÷ 10 = 45.7823 = 45.782 m/s

b) Space mean speed is given as

SMS = N ÷ [Σ (1/sᵢ)]

V | Time | speed | (1/sᵢ)

1 | 40.5 | 49.383 | 0.02025

2 | 44.2 | 45.249 | 0.02210

3 | 41.7 | 47.962 | 0.02085

4 | 47.3 | 42.283 | 0.02365

5 | 46.5 | 43.011 | 0.02325

6 | 41.9 | 47.733 | 0.02095

7 | 43.0 | 46.512 | 0.02150

8 | 47.0 | 42.553 | 0.02350

9 | 42.6 | 46.948 | 0.02130

10| 43.3 | 46.189 | 0.02165

Σ (1/sᵢ) = (0.02025+0.02210+0.02085+0.02365+0.02325+0.02095+0.02150+0.02350+0.02130+0.02165)

Σ (1/sᵢ) = 0.219

SMS = 10 ÷ [Σ (1/sᵢ)] = 10 ÷ 0.219

SMS = 45.662 m/s

Hope this Helps!!!

4 0
3 years ago
Other questions:
  • Describe the graph of y=4 [x=2] on [0, 3). Be specific in your description.
    13·2 answers
  • A fair coin is tossed three times in succession. Find the probability if getting exactly one tail
    6·1 answer
  • Choose the expression that completes the equation. 33 ÷ 3 + 10 =______
    15·1 answer
  • A robot can complete 8 tasks in 5/6 hour.
    9·1 answer
  • Is the relation shown in the arrow diagram a function explain (2,24) (4,8) (6,16) (8,32) (10,32)
    9·1 answer
  • The area of a rectangle is 27 square feet. The length is 6 feet longer than the width.
    12·2 answers
  • Jeanne makes hair bows to sell at the craft fair. Each bow requires 1.5 yards of ribbon.
    15·1 answer
  • Solve the inequality for X.
    6·1 answer
  • PLS SHOW YOUR REASONING ASAP
    15·1 answer
  • Another one, PLEASE help
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!