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
ollegr [7]
4 years ago
11

Given that J is between H and K. If JK=3x-1, HJ=2x+4, and HK=12, find x and JK.

Mathematics
2 answers:
cricket20 [7]4 years ago
5 0

Answer:

X=7

Step-by-step explanation:

HJ + JK = HK

3(X + 2) +(3X - 4) = 44

3X + 6 + 3X - 4 = 44

6X + 2 = 44

6X = 42

X = 7

Naddika [18.5K]4 years ago
5 0

Answer:

x=1.8   JK=4.4

Step-by-step explanation:

JK+HJ=HK

3x-1+2x+4=12

5x+3=12

5x=9

x=1.8

JK=3x-1

JK=3(1.8)-1

JK=5.4-1

JK=4.4

You might be interested in
What is the solution of the system of linear equations below?
shutvik [7]

Answer:

No solution

Step-by-step explanation:


4 0
3 years ago
Read 2 more answers
8x+12=4(3+2x)<br><br> Show your work please
marysya [2.9K]

Answer:

8x + 12 = 12 + 8x

0 = 0

Step-by-step explanation:

Distribute then simplify

7 0
3 years ago
Read 2 more answers
Calculate the amount of hcn that gives the lethal dose in a small laboratory room measuring 12.0 ft×15.0 ft×8.50ft.
Anarel [89]
Dimensions of the room in cm = 2.54 x 12 by 15 x 2.54 by 2.54 x 8.5 = 30.48 by 38.1 by 21.59

Volume of the room in cubic cm = 30.48 x 38.1 x 21.59 cubic cm = 25,072.21 cubic cm

Given that the density of air at room temperature is 0.00118g/cm^3, thus the mass of air in the room = 25,072.21 x 0.00118 = 29.59 g = 0.0296 kg

Given that the lethal dose of HCN is approximately 300 mg HCN per kilogram of air when inhaled, thus the <span>amount of HCN that gives the lethal dose in the small laboratory room is given by 300 x 0.0296 = 8.88 mg.</span>
7 0
3 years ago
How are the divisibility rules involved with the simplification of fractions?
Rashid [163]
Because when you simplify a fraction you divide the number on bottom be the top number to simplify the fraction and make it a mixed number
5 0
3 years ago
There are 30 students in a class, including 16 boys. The ratio of girls to boys would be 7 over 8.
Genrish500 [490]

Answer:

i dont understand- theres 3 ways u can put them tho 7:8 , 7 to 8 , or 7/8

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • 5x - 8 = -6x - 10. solve for x.
    12·2 answers
  • Any one please help thank you
    8·1 answer
  • Determine the length of arc JL.
    6·1 answer
  • Which equation best represents this simulation? The number 88 is equal to a number divided by 11
    5·1 answer
  • WHO EVER ANSWERS FIRST GETS BRAINLIEST
    8·1 answer
  • 1) 3+5+8° +10+6<br> I<br> i need help
    12·1 answer
  • The perimeter of a square garden is 12 km. Find its area.​
    13·2 answers
  • Angle sec0= -13/12 and cot&lt;0. what are the exact values of tan0 and sin0.
    13·2 answers
  • Which of the following situations could be described by the equation y = 120 - 25x?
    11·1 answer
  • The sum of renting bowling shoes for $6 and $3 per game
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!