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
ludmilkaskok [199]
3 years ago
5

Multi-step K is the midpoint of JL, JL=4x-2, and JK=7. Find x, KL, and JL

Mathematics
1 answer:
ddd [48]3 years ago
7 0
If K is midpoint of JL then JK = 0.5JL

JL = 4x - 2; JK = 7

The equation:
0.5(4x - 2) = 7
2x - 1 = 7      |add 1 to both sides
2x = 8        |divide both sides by 2
<u>x = 4</u>

<u>JL</u> = 4(4) - 2 = 16 - 2 = <u>14</u>

<u>KL</u> = JK =<u> 7</u>
You might be interested in
A rectangle has a length of 11 meters less than 10 times its width. If the area of the rectangle is 9888 square meters, find the
kobusy [5.1K]

Step-by-step explanation:

The Length ,

L

=

284

f

t

.

Explanation:

Given:

Rectangle

Area,

A

=

8804

f

t

2

let W bet he width of the rectangle

L be the length of the rectangle

L

=

10

W

−

26

E

q

u

a

t

i

o

n

1

substitute to

e

q

u

a

t

i

o

n

2

A

=

(

L

)

(

W

)

e

q

u

a

t

i

o

n

2

A

=

(

10

W

−

26

)

(

W

)

8804

=

(

10

W

−

26

)

(

W

)

factor

8804

=

2

(

5

W

−

13

)

(

W

)

divide both sides by 2

4402

=

(

5

W

−

13

)

(

W

)

4402

=

5

W

2

−

13

W

transposing 4402 to the right side of the equation

0

=

5

W

2

−

13

W

−

4402

by quadratic formula

W

=

−

(

−

13

)

+

√

(

−

13

)

2

−

4

(

5

)

(

−

4402

)

2

(

5

)

W

=

[

13

+

√

169

+

88040

]

10

W

=

13

+

(

√

88209

)

10

W

=

13

+

297

10

W

=

310

10

W

=

31

ft

Thus ,

L

=

10

W

−

26

=

10

(

31

)

−

26

L

=

284

f

t

.

answer

W

=

−

(

−

13

)

−

√

−

(

−

13

2

)

−

4

(

5

)

(

−

4402

)

2

(

5

)

this is discarded since this will yield a negative

8 0
3 years ago
Nestor need 750 centimeters of rope . Rope comes in lengths of 4 1/2 meters and 9 meters at the hardware store. Which length of
Firdavs [7]

Answer:

9 meter.

Step-by-step explanation: 4 1/2 meters is too short, he would have to buy 2 lengths. 4 1/2 meters is 450 cm while 9 meters is 900 cm, if he gets the 900 cm length he can just cut off the excess to use later.

5 0
3 years ago
The answer to – 7x + y = -10
Nataliya [291]

Step-by-step explanation:

y=7x-10

3 0
3 years ago
Read 2 more answers
Please help me with this question.
padilas [110]
It would be: = 56 1/4 % = 225/4% = 225/4/100 = 225/400 = 9/16

In short, Your Answer would be 9/16

Hope this helps!
6 0
3 years ago
In triangle ABC, angle A is 25 degree, and Angle B is 105 degrees. what is the measure of angle c
Scilla [17]
Angle c= 60°

This is because 105+25+x=180°
Hope this helps and good luck!! :)
8 0
3 years ago
Other questions:
  • Drag a graph to each category based on the slope of the graph - help me plz
    13·1 answer
  • Someone solve this please
    9·1 answer
  • Use the distributive property to simplify: 4 (3m - 6)
    8·1 answer
  • Out of a group of 30 volunteers, 14 people are chosen to participate in a survey about the number of hours of television they wa
    8·1 answer
  • Solve the given portion x/4 3/6
    11·1 answer
  • Solve 14n &gt; 11n + 6<br><br> please help
    12·2 answers
  • Hello! Can you please help me on this math problem? =)
    5·2 answers
  • In rectangle LONG, LN = 40 and ON=24. Find LO.​
    8·2 answers
  • Need urgent help with this, please!!! second part on my profile, PLEASE IT'S URGENT!!
    8·1 answer
  • Please help Me<br> Find The missing values in the ratio table then write equivalent ratios.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!